/* Business Tools page (.bt-page) and homepage teaser (.bt-teaser).
   Every class is bt- prefixed and element selectors are scoped, so nothing here
   reaches the rest of the site. Colors come from the tokens in style.css. */

.bt-page,
.bt-teaser {
  --bt-graphite: #1c1d1f;
  --bt-ink-soft: #3a3936;
  --bt-shadow: 0 10px 40px rgba(28, 27, 24, 0.08);
}

.bt-page em,
.bt-teaser em {
  font-style: normal;
  color: var(--accent);
}

.bt-page h3,
.bt-teaser h3 {
  letter-spacing: -0.01em;
}

/* Long compounds (DE "Produktvisualisierung", NL "productvisualisatie") must break on phones. */
.bt-page :is(h1, h2, h3),
.bt-teaser :is(h2, h3) {
  hyphens: auto;
  overflow-wrap: break-word;
}

/* ---------- shared bits ---------- */

.bt-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.btn.bt-full {
  width: 100%;
  justify-content: center;
}

.btn.bt-sm {
  padding: 9px 16px;
  font-size: 0.88rem;
  border-radius: 10px;
}

.btn.bt-sm::after {
  display: none;
}

.bt-check {
  color: var(--accent);
  font-weight: 600;
}

.bt-accent {
  color: #6cc4b8;
}

.bt-mini-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.bt-section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 40px;
}

.bt-section-head h2 {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  line-height: 1.15;
  margin: 0;
  max-width: 620px;
}

.bt-section-head > p {
  color: var(--text-dim);
  max-width: 380px;
  margin: 0;
}

.bt-center-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 44px;
}

.bt-center-head h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  line-height: 1.12;
  margin: 0 0 16px;
}

.bt-center-head > p {
  color: var(--text-dim);
  font-size: 1.05rem;
  margin: 0;
}

.bt-footnote {
  font-size: 0.86rem;
  color: var(--text-dim);
  margin: 22px 0 0;
}

.bt-center {
  text-align: center;
}

.bt-example-note {
  display: block;
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--text-dim);
  margin-top: 12px;
}

.bt-module {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 999px;
  padding: 3px 10px;
  line-height: 1.5;
  white-space: nowrap;
}

.bt-pill {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: var(--accent);
  color: #fbfbf8;
  border-radius: 999px;
  padding: 2px 10px;
  white-space: nowrap;
}

.bt-pill-ok {
  background: var(--accent-soft);
  color: var(--accent-dim);
}

.bt-tag-outline {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px 10px;
}

.bt-sample-tag {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #716f66;
  border: 1px dashed #c9c6bb;
  border-radius: 4px;
  padding: 2px 7px;
  white-space: nowrap;
}

.bt-mono {
  font-family: var(--font-mono);
}

.bt-text-button,
.bt-link-button {
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  color: var(--accent);
  cursor: pointer;
}

.bt-text-button {
  font-weight: 600;
  margin-top: 16px;
  min-height: 44px;
}

.bt-text-button:hover,
.bt-link-button:hover {
  color: var(--accent-dim);
  text-decoration: underline;
}

.bt-link-button {
  text-decoration: underline;
}

.bt-page :is(button, summary, input, select, textarea):focus-visible,
.bt-teaser :is(button, summary):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* In-page and cross-page anchors (#handoff …) land below the sticky site header. */
.bt-page section[id],
.bt-teaser[id] {
  scroll-margin-top: 72px;
}

/* Alternate and dark section backgrounds */
.bt-alt {
  background: var(--bg-alt);
}

.bt-dark {
  background: var(--bt-graphite);
  border-bottom-color: #2b2e31;
  --text: #f4f3ee;
  --text-dim: #b9b8b1;
  --border: #3d4044;
  --panel: #26282a;
  color: var(--text);
}

.bt-dark .eyebrow,
.bt-dark em,
.bt-dark .bt-check {
  color: #6cc4b8;
}

/* ---------- hero ---------- */

.bt-hero {
  padding: 72px 0 72px;
}

.bt-hero-top {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: 48px;
  align-items: end;
}

.bt-hero h1 {
  font-size: clamp(2.2rem, 4.4vw, 3.4rem);
  line-height: 1.08;
  margin: 0;
}

.bt-hero-copy p {
  color: var(--text-dim);
  font-size: 1.1rem;
  margin: 0;
}

.bt-hero-copy .bt-actions {
  margin-top: 24px;
}

.bt-surface {
  margin-top: 48px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
  box-shadow: var(--bt-shadow);
}

.bt-surface-top {
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 22px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.bt-surface-label {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--text);
}

.bt-surface-label::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

.bt-subtle {
  color: var(--text-dim);
  text-transform: none;
  letter-spacing: 0;
  font-family: var(--font-body);
  font-size: 0.82rem;
}

.bt-hero-product {
  display: grid;
  grid-template-columns: 290px 1fr;
  min-height: 400px;
}

.bt-mini-config {
  padding: 28px;
  border-right: 1px solid var(--border);
  background: var(--panel);
}

.bt-mini-config h2 {
  font-size: 1.5rem;
  line-height: 1.15;
  margin: 12px 0 6px;
}

.bt-mini-config > p {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin: 0 0 20px;
}

.bt-mini-label {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-dim);
  margin-top: 18px;
}

.bt-mini-label b {
  color: var(--text);
  font-weight: 600;
}

.bt-swatches {
  display: flex;
  gap: 10px;
  margin-top: 10px;
}

.bt-swatch {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 3px solid var(--panel);
  box-shadow: 0 0 0 1px #cfccc2;
  cursor: pointer;
  padding: 0;
}

.bt-swatch.selected {
  box-shadow: 0 0 0 2px var(--accent);
}

.bt-swatch.anthracite { background: #485052; }
.bt-swatch.black { background: #161a1b; }
.bt-swatch.white { background: #eeeeea; }

.bt-mini-option {
  font-size: 0.88rem;
  color: var(--text);
  margin-top: 12px;
}

.bt-mini-config .btn {
  margin-top: 24px;
}

.bt-stage {
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse at 55% 30%, #fbfbf9, #e4e3dd);
  min-height: 320px;
}

.bt-stage canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
  touch-action: pan-y;
}

.bt-stage-chip {
  position: absolute;
  left: 20px;
  top: 20px;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.8rem;
}

.bt-stage-bottom {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
  pointer-events: none;
}

.bt-rotate {
  pointer-events: auto;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid #cfccc2;
  background: var(--panel);
  color: var(--text);
  font-size: 1.3rem;
  cursor: pointer;
}

.bt-rotate:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.bt-lead-float {
  position: absolute;
  right: 22px;
  top: 20px;
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 12px 16px;
  background: var(--panel);
  border-radius: 12px;
  box-shadow: 0 6px 28px rgba(28, 27, 24, 0.1);
  max-width: 260px;
}

.bt-lead-float strong {
  display: block;
  font-size: 0.86rem;
}

.bt-lead-float span {
  display: block;
  font-size: 0.78rem;
  color: var(--text-dim);
}

.bt-lead-float-icon {
  flex: none;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
}

.bt-surface-bottom {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 14px 22px;
  background: var(--bt-graphite);
  color: #c9c8c2;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.bt-flow-line {
  flex: 1;
  border-top: 1px solid #55575b;
  position: relative;
}

.bt-flow-line::after {
  content: "";
  position: absolute;
  right: 0;
  top: -4px;
  width: 7px;
  height: 7px;
  border-right: 1px solid #8a8c90;
  border-top: 1px solid #8a8c90;
  transform: rotate(45deg);
}

/* ---------- outcomes ---------- */

.bt-outcomes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.bt-outcomes article {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 26px;
}

.bt-outcome-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  margin-bottom: 12px;
}

.bt-outcomes h3 {
  font-size: 1.2rem;
  line-height: 1.25;
  margin: 0 0 10px;
}

.bt-outcomes p {
  color: var(--text-dim);
  margin: 0;
}

.bt-proof {
  display: block;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
}

/* ---------- workflow ---------- */

.bt-workflow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}

.bt-workflow li {
  position: relative;
  padding: 22px 18px 24px;
  border-right: 1px solid var(--border);
}

.bt-workflow li:last-child {
  border-right: 0;
}

.bt-workflow li:not(:last-child)::after {
  content: "";
  position: absolute;
  right: -6px;
  top: 30px;
  width: 10px;
  height: 10px;
  background: var(--panel);
  border-right: 1px solid var(--border);
  border-top: 1px solid var(--border);
  transform: rotate(45deg);
  z-index: 1;
}

.bt-step-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  margin-bottom: 14px;
}

.bt-workflow h3 {
  font-size: 1.02rem;
  margin: 0 0 8px;
}

.bt-workflow p {
  font-size: 0.9rem;
  color: var(--text-dim);
  margin: 0;
}

.bt-workflow .bt-last {
  background: var(--accent);
  color: #fbfbf8;
}

.bt-workflow .bt-last .bt-step-num,
.bt-workflow .bt-last p {
  color: #e0f0ed;
}

/* ---------- lead comparison ---------- */

.bt-comparison {
  display: grid;
  grid-template-columns: 1fr 48px 1.25fr;
  align-items: center;
  gap: 24px;
  max-width: 1040px;
  margin: 0 auto;
}

.bt-compare-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 14px;
}

.bt-plain-enquiry {
  padding: 28px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.bt-plain-enquiry h3 {
  font-size: 1.35rem;
  margin: 12px 0 2px;
}

.bt-plain-email {
  color: var(--text-dim);
  font-size: 0.92rem;
  margin: 0;
}

.bt-message {
  border-block: 1px solid var(--border);
  padding: 18px 0;
  margin-top: 22px;
}

.bt-message > span {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.bt-message p {
  font-size: 1.05rem;
  margin: 6px 0 0;
}

.bt-missing {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.bt-missing span {
  border: 1px dashed var(--text-dim);
  border-radius: 999px;
  padding: 3px 10px;
  font-size: 0.8rem;
  color: var(--text-dim);
}

.bt-compare-caption {
  font-size: 0.92rem;
  color: var(--text-dim);
  margin: 16px 0 0;
}

.bt-versus {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid var(--accent);
  border-radius: 50%;
  color: var(--accent);
  font-size: 1.1rem;
}

.bt-dark .bt-versus {
  border-color: #6cc4b8;
  color: #6cc4b8;
}

/* The "after" card stays light on any background: explicit colors, not tokens. */
.bt-rich-enquiry {
  background: #ffffff;
  color: #1c1b18;
  border-radius: var(--radius);
  border-top: 4px solid #217e73;
  padding: 24px 26px;
  box-shadow: 0 16px 60px rgba(0, 0, 0, 0.25);
}

.bt-rich-enquiry .bt-mini-eyebrow {
  color: #716f66;
}

.bt-request-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.bt-request-head h3 {
  font-size: 1.3rem;
  margin: 8px 0 2px;
}

.bt-request-email {
  font-size: 0.88rem;
  color: #716f66;
}

.bt-request-product {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 0;
  margin: 16px 0 4px;
  border-block: 1px solid #ece9e1;
}

.bt-request-product canvas {
  width: 116px;
  height: 84px;
  flex: none;
  display: block;
  background: #efeee9;
  border-radius: 8px;
}

.bt-request-product h4 {
  font-size: 1.02rem;
  margin: 4px 0;
}

.bt-request-ready {
  font-size: 0.84rem;
  color: #716f66;
}

.bt-lead-details {
  margin: 0;
  font-size: 0.9rem;
}

.bt-lead-details > div {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 10px;
  padding: 7px 0;
}

.bt-lead-details dt {
  color: #716f66;
}

.bt-lead-details dd {
  margin: 0;
  text-align: right;
  color: #1c1b18;
}

.bt-option-list span {
  white-space: nowrap;
}

.bt-price-row {
  align-items: center;
  border-top: 1px solid #ece9e1;
  margin-top: 6px;
  padding-top: 14px !important;
}

.bt-price-row dd {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  color: #175a52;
}

.bt-price-row small {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 400;
  color: #716f66;
}

.bt-request-actions {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.bt-request-actions .btn {
  flex: 1;
  justify-content: center;
}

/* Re-point tokens so the ghost button inside the white card reads correctly on the dark band. */
.bt-rich-enquiry {
  --text: #1c1b18;
  --text-dim: #716f66;
  --border: #e6e4dc;
  --panel: #ffffff;
  --accent-soft: #e7f1ef;
}

.bt-rich-enquiry .bt-example-note {
  color: #716f66;
}

.bt-handoff-ending {
  text-align: center;
  font-size: 1.05rem;
  margin: 36px 0 0;
}

/* ---------- tools ---------- */

.bt-tool-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.bt-tool {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 26px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
}

.bt-tool-icon {
  font-size: 1.5rem;
  line-height: 1;
  color: var(--accent);
  margin-bottom: 18px;
}

.bt-tool .bt-module {
  position: absolute;
  top: 22px;
  right: 20px;
  font-size: 0.62rem;
}

.bt-tool h3 {
  font-size: 1.12rem;
  margin: 0 0 10px;
}

.bt-tool > p {
  color: var(--text-dim);
  margin: 0;
}

.bt-tool-value {
  font-size: 0.92rem;
  font-weight: 500;
  margin: 16px 0 20px;
}

.bt-tool details {
  width: 100%;
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding-top: 10px;
}

.bt-tool summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 36px;
  cursor: pointer;
  list-style: none;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
}

.bt-tool summary::-webkit-details-marker {
  display: none;
}

.bt-tool summary::after {
  content: "+";
  font-size: 1.2rem;
  line-height: 1;
}

.bt-tool details[open] summary::after {
  content: "−";
}

.bt-tool details p {
  font-size: 0.92rem;
  color: var(--text-dim);
  margin: 8px 0 0;
}

/* ---------- catalog ---------- */

.bt-catalog {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.9fr);
  gap: 64px;
  align-items: center;
}

.bt-catalog-ui {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
  box-shadow: var(--bt-shadow);
}

.bt-catalog-inner {
  display: grid;
  grid-template-columns: 180px 1fr;
}

.bt-catalog-inner aside {
  padding: 20px 12px;
  background: var(--bg);
  border-right: 1px solid var(--border);
}

.bt-catalog-inner aside h3 {
  font-size: 0.95rem;
  margin: 0 8px 14px;
}

.bt-catalog-item {
  display: flex;
  gap: 8px;
  font-size: 0.84rem;
  padding: 9px 8px;
  border-radius: 8px;
  color: var(--text-dim);
  line-height: 1.35;
  margin-bottom: 4px;
}

.bt-catalog-item small {
  display: block;
  font-size: 0.72rem;
  margin-top: 2px;
}

.bt-catalog-item.current {
  background: var(--panel);
  color: var(--text);
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.06);
}

.bt-catalog-item.current > span {
  color: var(--accent);
}

.bt-catalog-add {
  display: block;
  margin-top: 14px;
  padding: 7px 0;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-dim);
  border: 1px dashed #cfccc2;
  border-radius: 8px;
}

.bt-catalog-editor {
  padding: 22px;
}

.bt-editor-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.bt-editor-head h3 {
  font-size: 1.05rem;
  margin: 0;
}

.bt-mock-field {
  margin-top: 12px;
}

.bt-mock-field > span {
  display: block;
  font-size: 0.74rem;
  color: var(--text-dim);
  margin-bottom: 4px;
}

.bt-mock-field > div {
  display: block;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  padding: 7px 10px;
  font-size: 0.84rem;
}

.bt-mock-field em {
  float: right;
  color: var(--text-dim) !important;
  font-style: normal;
  font-size: 0.75rem;
}

.bt-mock-field > .bt-color-tags {
  display: flex;
  gap: 6px;
  border: 0;
  padding: 0;
  background: none;
}

.bt-color-tags i {
  font-style: normal;
  font-size: 0.78rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 9px;
}

.bt-mock-save {
  display: flex;
  justify-content: space-between;
  margin-top: 18px;
  padding: 9px 13px;
  border-radius: 10px;
  background: var(--accent);
  color: #fbfbf8;
  font-size: 0.86rem;
  font-weight: 600;
}

.bt-catalog-copy h2 {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  line-height: 1.15;
  margin: 0 0 16px;
}

.bt-catalog-copy > p {
  color: var(--text-dim);
  font-size: 1.05rem;
  margin: 0;
}

.bt-benefits {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.bt-benefits li {
  position: relative;
  padding: 12px 0 12px 28px;
  border-bottom: 1px solid var(--border);
}

.bt-benefits li::before {
  content: "✓";
  position: absolute;
  left: 2px;
  color: var(--accent);
  font-weight: 600;
}

/* ---------- integration ---------- */

.bt-integration {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
}

.bt-integration > div {
  flex: 1;
  max-width: 230px;
  padding: 26px 16px;
  text-align: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
}

.bt-integration > div > span {
  display: block;
  font-size: 1.7rem;
  line-height: 1;
  color: var(--text-dim);
  margin-bottom: 14px;
}

.bt-integration strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
}

.bt-integration small {
  display: block;
  margin-top: 4px;
  font-size: 0.8rem;
  color: var(--text-dim);
}

.bt-integration > i {
  font-style: normal;
  color: var(--accent);
  font-size: 1.2rem;
}

.bt-integration > .bt-focus {
  background: var(--accent);
  border-color: var(--accent);
  color: #fbfbf8;
}

.bt-integration > .bt-focus > span,
.bt-integration > .bt-focus small {
  color: #e0f0ed;
}

/* ---------- advanced ---------- */

.bt-advanced {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.bt-advanced article {
  padding-top: 20px;
  border-top: 2px solid var(--text);
}

.bt-advanced h3 {
  font-size: 1.12rem;
  margin: 0 0 10px;
}

.bt-advanced p {
  color: var(--text-dim);
  margin: 0;
}

.bt-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 18px;
}

.bt-tags span {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 10px;
  color: var(--text-dim);
}

.bt-analytics {
  margin-top: 18px;
}

.bt-analytics > div {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 12px;
  align-items: center;
  margin-top: 8px;
  font-size: 0.82rem;
  color: var(--text-dim);
}

.bt-analytics i {
  display: block;
  width: var(--bar);
  height: 8px;
  border-radius: 4px;
  background: var(--accent);
}

.bt-analytics > div:nth-child(2) i { background: #5fa79d; }
.bt-analytics > div:nth-child(3) i { background: #a9cfc9; }

/* ---------- levels ---------- */

.bt-levels {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: stretch;
  margin-top: 16px;
}

.bt-levels article {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 30px 26px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
}

.bt-level-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.bt-levels h3 {
  font-size: 1.8rem;
  margin: 14px 0 6px;
}

.bt-levels p {
  color: var(--text-dim);
  margin: 0;
}

.bt-levels ul {
  list-style: none;
  flex: 1;
  margin: 18px 0 24px;
  padding: 0;
}

.bt-levels li {
  position: relative;
  padding: 6px 0 6px 24px;
}

.bt-levels li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--text-dim);
}

.bt-levels .bt-level-featured {
  border: 2px solid var(--accent);
  box-shadow: 0 18px 50px rgba(33, 126, 115, 0.16);
  transform: translateY(-8px);
}

.bt-level-featured li::before {
  color: var(--accent);
  font-weight: 600;
}

.bt-recommended {
  position: absolute;
  left: -2px;
  right: -2px;
  top: -30px;
  height: 30px;
  line-height: 30px;
  text-align: center;
  border-radius: var(--radius) var(--radius) 0 0;
  background: var(--accent);
  color: #fbfbf8;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

#growth .bt-levels {
  margin-top: 46px;
}

/* ---------- final CTA ---------- */

.bt-final-box {
  position: relative;
  overflow: hidden;
  padding: 56px;
  border-radius: var(--radius);
  background: var(--bt-graphite);
  color: #f4f3ee;
  --text: #f4f3ee;
  --text-dim: #b9b8b1;
  --border: #45484c;
  --accent-soft: #34373a;
}

.bt-final-box .eyebrow,
.bt-final-box em {
  color: #6cc4b8;
}

.bt-final-box h2 {
  font-size: clamp(1.9rem, 3.6vw, 2.8rem);
  line-height: 1.1;
  margin: 0 0 18px;
  max-width: 760px;
}

.bt-final-box p {
  color: var(--text-dim);
  font-size: 1.05rem;
  max-width: 680px;
  margin: 0;
}

.bt-final-box .btn.ghost:hover {
  color: #f4f3ee;
  border-color: #6cc4b8;
}

/* ---------- dialogs ---------- */

html.bt-scroll-lock {
  overflow: hidden;
}

.bt-dialog {
  border: 0;
  border-radius: var(--radius);
  padding: 0;
  background: var(--panel);
  color: var(--text);
  width: min(1040px, calc(100% - 32px));
  max-height: 92dvh;
  overflow: auto;
  box-shadow: 0 30px 120px rgba(0, 0, 0, 0.45);
}

.bt-dialog-narrow {
  width: min(640px, calc(100% - 32px));
}

.bt-dialog::backdrop {
  background: rgba(20, 21, 22, 0.6);
  backdrop-filter: blur(6px);
}

.bt-dialog-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 28px;
  border-bottom: 1px solid var(--border);
}

.bt-dialog-head h2 {
  font-size: 1.5rem;
  margin: 6px 0 0;
}

.bt-close {
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
}

.bt-close:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.bt-demo-body {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
}

.bt-demo-visual {
  position: relative;
  min-height: 480px;
  background: radial-gradient(ellipse at 55% 30%, #fbfbf9, #e4e3dd);
}

.bt-demo-visual canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
  touch-action: none;
}

.bt-demo-visual p {
  position: absolute;
  left: 18px;
  bottom: 22px;
  margin: 0;
  font-size: 0.82rem;
  color: var(--text-dim);
  pointer-events: none;
}

.bt-demo-visual .btn {
  position: absolute;
  right: 16px;
  bottom: 14px;
  background: var(--panel);
}

#bt-demo-form {
  padding: 24px;
}

.bt-dialog label {
  display: block;
  font-size: 0.92rem;
  color: var(--text-dim);
  margin-bottom: 16px;
}

.bt-dialog output {
  float: right;
  font-weight: 600;
  color: var(--text);
}

.bt-dialog input[type="range"] {
  display: block;
  width: 100%;
  margin: 10px 0 0;
  min-height: 28px;
  accent-color: var(--accent);
}

.bt-dialog select,
.bt-dialog input:not([type="checkbox"]):not([type="range"]),
.bt-dialog textarea {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 11px 12px;
  font: inherit;
  font-size: 1rem;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.bt-dialog select:focus,
.bt-dialog input:focus,
.bt-dialog textarea:focus {
  border-color: var(--accent);
}

.bt-dialog textarea {
  resize: vertical;
}

.bt-dialog fieldset {
  border: 0;
  margin: 0 0 16px;
  padding: 0;
}

.bt-dialog legend {
  font-size: 0.92rem;
  color: var(--text-dim);
  margin-bottom: 4px;
  padding: 0;
}

.bt-dialog fieldset label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 6px 0;
  color: var(--text);
  min-height: 32px;
}

.bt-dialog input[type="checkbox"] {
  width: 18px;
  height: 18px;
  flex: none;
  accent-color: var(--accent);
}

.bt-validation {
  padding: 8px 12px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent-dim);
  font-size: 0.88rem;
}

.bt-demo-price {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--text-dim);
}

.bt-demo-price strong {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--text);
}

.bt-demo-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.bt-demo-buttons .btn.bt-sm {
  flex: 1;
  justify-content: center;
}

.bt-demo-status {
  min-height: 1.4em;
  margin: 12px 0 0;
  font-size: 0.88rem;
  color: var(--accent-dim);
}

.bt-demo-status input {
  margin-top: 6px !important;
  font-size: 0.82rem !important;
}

.bt-enquiry {
  padding: 24px 28px 28px;
}

.bt-enquiry-intro {
  color: var(--text-dim);
  margin: 0 0 20px;
}

.bt-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.bt-optional {
  opacity: 0.75;
  font-size: 0.85em;
}

.bt-quote-summary {
  margin: 0 0 16px;
  padding: 14px 16px;
  border-radius: 10px;
  background: var(--accent-soft);
}

.bt-quote-summary p {
  white-space: pre-line;
  margin: 6px 0 0;
  font-size: 0.9rem;
  color: var(--accent-dim);
}

.bt-dialog .bt-consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--text);
  font-size: 0.9rem;
}

.bt-dialog .bt-consent input {
  margin-top: 3px;
}

.bt-delivery {
  font-size: 0.86rem;
  color: var(--text-dim);
  background: var(--bg-alt);
  border-radius: 10px;
  padding: 11px 14px;
  margin: 0 0 18px;
}

.bt-status {
  margin: 14px 0 0;
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 0.9rem;
  background: var(--bg-alt);
  color: var(--text);
}

.bt-status[hidden] {
  display: none;
}

.bt-status.success {
  color: var(--accent-dim);
  background: var(--accent-soft);
}

.bt-status.error {
  color: #8a2f27;
  background: #f7e8e6;
}

.bt-fallback {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.bt-fallback[hidden] {
  display: none;
}

.bt-info-content {
  padding: 24px 28px 28px;
  color: var(--text-dim);
}

.bt-info-content p {
  margin: 0;
}

.bt-info-content p + p {
  margin-top: 14px;
}

#bt-toast {
  position: fixed;
  left: 50%;
  bottom: 22px;
  z-index: 100;
  max-width: calc(100% - 40px);
  padding: 12px 20px;
  border-radius: 10px;
  background: var(--bt-graphite);
  color: #f4f3ee;
  font-size: 0.9rem;
  text-align: center;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 12px);
  transition: opacity 0.2s, transform 0.2s;
}

#bt-toast.visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ---------- homepage teaser ---------- */

.bt-teaser .bt-section-head {
  margin-bottom: 32px;
}

.bt-teaser-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 40px;
  align-items: start;
}

.bt-teaser-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin: 0 0 12px;
}

.bt-teaser-outcomes {
  list-style: none;
  margin: 0;
  padding: 0;
}

.bt-teaser-outcomes li {
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.bt-teaser-outcomes li:first-child {
  border-top: 1px solid var(--border);
}

.bt-teaser-outcomes strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 600;
}

.bt-teaser-outcomes span {
  color: var(--text-dim);
  font-size: 0.95rem;
}

.bt-teaser-flow {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.bt-teaser-flow li {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 500;
}

.bt-teaser-flow li:not(:last-child)::after {
  content: "→";
  color: var(--accent);
}

.bt-teaser-flow li > span {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 12px;
  background: var(--panel);
}

.bt-teaser-flow li:last-child > span {
  background: var(--accent);
  border-color: var(--accent);
  color: #fbfbf8;
}

.bt-teaser-compare {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 16px;
  align-items: stretch;
}

.bt-teaser-compare .bt-plain-enquiry {
  padding: 20px;
}

.bt-teaser-compare .bt-rich-enquiry {
  padding: 18px 20px;
  box-shadow: var(--bt-shadow);
  border: 1px solid var(--border);
  border-top: 4px solid #217e73;
}

.bt-teaser-compare .bt-lead-details {
  font-size: 0.86rem;
}

.bt-teaser-compare .bt-lead-details > div {
  grid-template-columns: 100px 1fr;
  padding: 5px 0;
}

.bt-teaser-compare .bt-price-row dd {
  font-size: 1.3rem;
}

.bt-teaser-compare .bt-request-head h3 {
  font-size: 1.1rem;
}

.bt-teaser-compare .bt-plain-enquiry h3 {
  font-size: 1.1rem;
}

.bt-teaser .bt-actions {
  margin-top: 32px;
}

/* ---------- responsive ---------- */

@media (max-width: 1000px) {
  .bt-hero-product {
    grid-template-columns: 250px 1fr;
  }
  .bt-workflow {
    grid-template-columns: repeat(3, 1fr);
  }
  .bt-workflow li:nth-child(-n + 3) {
    border-bottom: 1px solid var(--border);
  }
  .bt-workflow li:nth-child(3) {
    border-right: 0;
  }
  .bt-workflow li:nth-child(3)::after {
    display: none;
  }
  .bt-tool-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .bt-catalog {
    grid-template-columns: minmax(0, 1fr);
    gap: 40px;
  }
  .bt-teaser-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .bt-lead-float {
    display: none;
  }
}

@media (max-width: 860px) {
  .bt-hero-top {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }
  .bt-section-head {
    display: block;
  }
  .bt-section-head > p {
    margin-top: 14px;
    max-width: none;
  }
  .bt-section-head > .bt-module {
    margin-top: 14px;
  }
  .bt-comparison {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .bt-versus {
    margin: 0 auto;
    transform: rotate(90deg);
  }
  .bt-integration {
    flex-wrap: wrap;
  }
  .bt-integration > div {
    flex: 1 1 40%;
    max-width: none;
  }
  .bt-integration > i {
    display: none;
  }
  .bt-advanced {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .bt-levels {
    grid-template-columns: 1fr;
    gap: 46px;
  }
  .bt-levels .bt-level-featured {
    transform: none;
  }
  .bt-demo-body {
    grid-template-columns: 1fr;
  }
  .bt-demo-visual {
    min-height: 300px;
  }
}

@media (max-width: 640px) {
  .bt-hero {
    padding: 48px 0;
  }
  .bt-hero h1 {
    font-size: 2rem;
  }
  .bt-surface {
    margin-top: 32px;
  }
  .bt-surface-top .bt-subtle {
    display: none;
  }
  .bt-surface-top {
    flex-wrap: wrap;
    padding-block: 10px;
  }
  .bt-surface-top .bt-sample-tag {
    white-space: normal;
  }
  .bt-hero-product {
    display: flex;
    flex-direction: column;
    min-height: 0;
  }
  .bt-stage {
    height: 280px;
    min-height: 280px;
  }
  .bt-mini-config {
    order: 2;
    border-right: 0;
    border-top: 1px solid var(--border);
    padding: 22px 20px;
  }
  .bt-surface-bottom {
    gap: 12px;
    padding: 12px 16px;
    font-size: 0.62rem;
  }
  .bt-outcomes {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .bt-workflow {
    grid-template-columns: 1fr;
  }
  .bt-workflow li {
    display: grid;
    grid-template-columns: 34px 1fr;
    gap: 0 10px;
    padding: 16px 18px;
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }
  .bt-workflow li:last-child {
    border-bottom: 0;
  }
  .bt-workflow .bt-step-num {
    grid-row: 1 / 3;
    margin: 2px 0 0;
  }
  .bt-workflow li:not(:last-child)::after,
  .bt-workflow li:nth-child(3)::after {
    display: block;
    right: auto;
    left: 22px;
    top: auto;
    bottom: -6px;
    transform: rotate(135deg);
  }
  .bt-plain-enquiry,
  .bt-rich-enquiry {
    padding: 20px;
  }
  .bt-request-product canvas {
    width: 92px;
    height: 70px;
  }
  .bt-lead-details > div {
    grid-template-columns: 1fr auto;
  }
  .bt-lead-details dd {
    text-align: right;
  }
  .bt-option-list {
    grid-column: 1 / -1;
    text-align: left !important;
  }
  .bt-request-actions {
    flex-direction: column;
  }
  .bt-tool-grid {
    grid-template-columns: 1fr;
  }
  .bt-tool .bt-module {
    position: static;
    margin: -6px 0 12px;
  }
  .bt-catalog-inner {
    grid-template-columns: 1fr;
  }
  .bt-catalog-inner aside {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }
  .bt-catalog-item:not(.current) {
    display: none;
  }
  .bt-integration > div {
    flex-basis: 100%;
    display: grid;
    grid-template-columns: 40px 1fr;
    text-align: left;
    padding: 16px 18px;
  }
  .bt-integration > div > span {
    grid-row: 1 / 3;
    align-self: center;
    margin: 0;
  }
  .bt-final-box {
    padding: 34px 22px;
  }
  .bt-dialog {
    width: calc(100% - 16px);
    max-height: 94dvh;
  }
  .bt-dialog-head {
    padding: 16px 18px;
  }
  .bt-dialog-head h2 {
    font-size: 1.25rem;
  }
  #bt-demo-form,
  .bt-enquiry,
  .bt-info-content {
    padding: 18px;
  }
  .bt-demo-visual {
    min-height: 260px;
  }
  .bt-demo-visual p {
    display: none;
  }
  .bt-form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .bt-teaser-compare {
    grid-template-columns: 1fr;
  }
  .bt-teaser-flow {
    flex-direction: column;
    align-items: flex-start;
  }
  .bt-teaser-flow li {
    flex-direction: column;
    align-items: flex-start;
  }
  .bt-teaser-flow li:not(:last-child)::after {
    content: "↓";
    margin-left: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  #bt-toast {
    transition: none;
  }
}

/* ---------- homepage sections (sales workflow, capabilities, industries) ---------- */

/* The sales-workflow section leads straight into the dark comparison band. */
.bt-tight-bottom {
  padding-bottom: 64px;
}

.bt-benefit-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.bt-benefit-cards article {
  padding: 22px 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
}

.bt-benefit-cards h3 {
  font-size: 1.15rem;
  line-height: 1.25;
  margin: 10px 0 8px;
}

.bt-benefit-cards p {
  margin: 0;
  color: var(--text-dim);
}

.home-capabilities {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}

.home-capabilities li {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.3;
}

.home-cap-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--accent);
}

.home-industries {
  margin-top: 0;
}

.home-industries .keyword {
  font-size: 0.88rem;
  color: var(--text);
  background: var(--panel);
}

#contact {
  scroll-margin-top: 72px;
}

@media (max-width: 1000px) {
  .home-capabilities {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 860px) {
  .bt-benefit-cards {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

.home-capabilities li {
  min-width: 0;
  overflow-wrap: break-word;
  hyphens: auto;
}

@media (max-width: 640px) {
  .home-capabilities {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .home-capabilities li {
    padding: 14px;
    font-size: 0.92rem;
  }
}

@media (max-width: 400px) {
  .home-capabilities {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Business Tools page: short intro, tools straight after. */
.bt-intro {
  padding: 64px 0 40px;
  border-bottom: none;
}

.bt-intro h1 {
  max-width: 760px;
}

.bt-intro-lead {
  color: var(--text-dim);
  font-size: 1.1rem;
  max-width: 680px;
  margin: 18px 0 0;
}

.bt-tools-section {
  padding-top: 24px;
}

.bt-intro-lead p {
  margin: 0 0 10px;
}

.bt-intro-lead .bt-intro-strong {
  color: var(--text);
  font-weight: 500;
}

/* ---------- 2026-10 repositioning: homepage ---------- */

.hero .home-motto {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  letter-spacing: 0.04em;
  color: var(--accent);
  margin: -16px 0 28px;
}

.home-gains {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px 24px;
}

.home-gains li {
  position: relative;
  padding-left: 24px;
  font-size: 0.94rem;
  color: var(--text-dim);
}

.home-gains li::before {
  content: "✓";
  position: absolute;
  left: 2px;
  color: var(--accent);
  font-weight: 600;
}

#sales-workflow .bt-actions {
  margin-top: 28px;
}

/* Before / after: the five-step path under each enquiry. */
.home-path {
  margin: 18px 0 0;
  padding: 0 0 0 22px;
  font-size: 0.9rem;
  color: var(--text-dim);
}

.home-path li {
  padding: 3px 0 3px 4px;
}

.home-path li::marker {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
}

.bt-comparison {
  align-items: start;
}

.bt-versus {
  align-self: center;
}

/* ---------- 2026-10 repositioning: Business Tools page ---------- */

.bt-tool .bt-module-live {
  border-color: var(--border);
  color: var(--text-dim);
}

.bt-tool .bt-tool-value {
  width: 100%;
  font-weight: 400;
  margin: 18px 0 0;
}

.bt-tool .bt-benefits {
  margin-top: 8px;
}

.bt-tool .bt-benefits li {
  padding: 8px 0 8px 26px;
  font-size: 0.92rem;
}

.bt-tool .bt-benefits li:last-child {
  border-bottom: 0;
}

.bt-tool-scope {
  margin: auto 0 0;
  padding-top: 14px;
  font-size: 0.82rem;
  color: var(--text-dim);
  font-style: italic;
}

.bt-workflow-4 {
  grid-template-columns: repeat(4, 1fr);
}

.bt-ext {
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.bt-ext article {
  border-top-width: 1px;
  border-top-color: var(--border);
}

.bt-ext h3 {
  font-size: 1.02rem;
}

.bt-ext p {
  font-size: 0.92rem;
}

.bt-ext-lead {
  color: var(--text-dim);
  margin: 10px 0 0;
  max-width: 620px;
}

.bt-int-lead2 {
  margin-top: 12px !important;
  color: var(--text) !important;
  font-weight: 500;
}

.bt-int-factors {
  max-width: 860px;
  margin: 36px auto 0;
  padding: 22px 26px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
}

.bt-int-factors h3 {
  font-size: 0.98rem;
  margin: 0 0 12px;
}

.bt-int-factors ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px 20px;
  font-size: 0.9rem;
  color: var(--text-dim);
}

.bt-int-factors li::before {
  content: "·";
  margin-right: 8px;
  color: var(--accent);
  font-weight: 700;
}

.bt-int-factors .bt-footnote {
  margin-top: 14px;
}

@media (max-width: 1000px) {
  .home-gains {
    grid-template-columns: repeat(2, 1fr);
  }
  .bt-workflow-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .bt-workflow-4 li:nth-child(3) {
    border-right: 1px solid var(--border);
  }
  .bt-workflow-4 li:nth-child(-n + 2) {
    border-bottom: 1px solid var(--border);
  }
  .bt-workflow-4 li:nth-child(3) {
    border-bottom: 0;
  }
  .bt-workflow-4 li:nth-child(3)::after {
    display: block;
  }
  .bt-workflow-4 li:nth-child(2) {
    border-right: 0;
  }
  .bt-workflow-4 li:nth-child(2)::after {
    display: none;
  }
  .bt-ext {
    grid-template-columns: repeat(2, 1fr);
  }
  .bt-int-factors ul {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .home-gains,
  .bt-ext,
  .bt-int-factors ul {
    grid-template-columns: 1fr;
  }
  .bt-workflow-4 {
    grid-template-columns: 1fr;
  }
  .bt-workflow-4 li,
  .bt-workflow-4 li:nth-child(3) {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }
  .bt-workflow-4 li:last-child {
    border-bottom: 0;
  }
  .bt-workflow-4 li:nth-child(2)::after {
    display: block;
  }
  .bt-int-factors {
    padding: 18px;
  }
}