:root {
  --page-max: 1180px;
  --gbp-line: rgba(0, 0, 0, 0.14);
  --gbp-muted: rgba(0, 0, 0, 0.66);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  overflow-x: hidden;
  background: var(--bno-paper);
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

.section-pad {
  position: relative;
  padding: 104px max(24px, calc((100vw - var(--page-max)) / 2));
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 32px;
  margin: 0 0 20px;
  padding: 8px 12px;
  border: 1.5px solid var(--bno-slack-black);
  border-radius: 999px;
  background: var(--bno-paper);
  color: var(--bno-slack-black);
  font: 850 12px/1 var(--font-sans);
  letter-spacing: 0;
  text-transform: uppercase;
}

.btn {
  min-height: 48px;
  padding: 0 20px;
  border: 1.5px solid var(--bno-slack-black);
  border-radius: 999px;
  font: 850 14px/1 var(--font-sans);
  text-decoration: none;
  white-space: nowrap;
}

.btn-secondary {
  background: var(--bno-paper);
}

.gbp-hero {
  min-height: calc(100vh - 78px);
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.72fr);
  align-items: center;
  gap: 56px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0.96)),
    var(--bno-squiggle-soft);
}

.gbp-hero-copy,
.hero-system {
  position: relative;
  z-index: 2;
}

.gbp-hero h1 {
  max-width: 16ch;
  margin: 0 0 28px;
  font-size: 62px;
  line-height: 1.02;
  letter-spacing: 0;
}

.hero-lede {
  max-width: 58ch;
  color: rgba(0, 0, 0, 0.78);
  font-size: 21px;
  line-height: 1.42;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.proof-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 34px;
}

.proof-row img {
  width: auto;
  max-width: 156px;
  max-height: 58px;
  padding: 10px 12px;
  border: 1.5px solid var(--gbp-line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
  object-fit: contain;
}

.gbp-squiggle {
  position: absolute;
  pointer-events: none;
  user-select: none;
}

.gbp-squiggle-one {
  right: 18px;
  bottom: -70px;
  width: 380px;
  opacity: 0.9;
  transform: rotate(-10deg);
}

.hero-system {
  display: grid;
  gap: 18px;
}

.system-node {
  min-height: 230px;
  padding: 28px;
  border: 1.5px solid var(--bno-slack-black);
  border-radius: 8px;
  background: var(--bno-paper);
  box-shadow: var(--bno-shadow-panel);
}

.system-node span,
.shift-grid span,
.route-grid span,
.method-track span {
  display: inline-grid;
  place-items: center;
  min-width: 44px;
  height: 34px;
  margin-bottom: 18px;
  border: 1.5px solid var(--bno-slack-black);
  border-radius: 999px;
  background: var(--bno-mellow-yellow);
  font: 900 13px/1 var(--font-sans);
}

.system-node strong {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 430;
  line-height: 1;
  letter-spacing: 0;
}

.system-node p {
  margin: 0;
  color: var(--gbp-muted);
}

.node-bottom {
  background: var(--bno-slack-black);
  color: var(--bno-paper);
}

.node-bottom strong {
  color: var(--bno-paper);
}

.node-bottom p {
  color: rgba(255, 255, 255, 0.74);
}

.system-arrow {
  width: 2px;
  height: 46px;
  margin: -6px auto;
  background: var(--bno-slack-black);
}

.system-arrow::after {
  content: "";
  display: block;
  width: 14px;
  height: 14px;
  margin: 34px 0 0 -6px;
  border-right: 2px solid var(--bno-slack-black);
  border-bottom: 2px solid var(--bno-slack-black);
  transform: rotate(45deg);
}

.logo-strip {
  padding: 32px max(20px, calc((100vw - var(--page-max)) / 2));
  border-top: 1.5px solid var(--bno-slack-black);
  border-bottom: 1.5px solid var(--bno-slack-black);
  color: var(--bno-paper);
  background: var(--bno-slack-black);
}

.logo-strip p {
  max-width: none;
  margin: 0 0 24px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 13px;
  font-weight: 760;
  letter-spacing: 0;
  text-transform: uppercase;
  text-align: center;
}

.logo-cloud {
  display: grid;
  grid-template-columns: repeat(6, minmax(92px, 1fr));
  align-items: center;
  gap: 20px;
}

.logo-cloud img {
  width: 100%;
  height: 72px;
  max-width: none;
  max-height: none;
  padding: 18px;
  border: 1.5px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: var(--bno-paper);
  object-fit: contain;
  filter: grayscale(1);
}

.section-head {
  max-width: 850px;
  margin-bottom: 42px;
}

.section-head.narrow {
  max-width: 720px;
}

.section-head h2,
.answer-copy h2,
.brain-copy h2,
.proof-copy h2,
.final-cta h2 {
  margin: 0 0 20px;
  font-size: 56px;
  line-height: 1;
  letter-spacing: 0;
}

.section-head p,
.answer-copy p,
.brain-copy p,
.proof-copy p,
.final-cta p {
  color: var(--gbp-muted);
  font-size: 18px;
}

.shift-grid,
.value-grid,
.route-grid,
.deliverable-grid,
.fit-grid {
  display: grid;
  gap: 16px;
}

.shift-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.shift-grid article,
.value-grid article,
.route-grid article,
.deliverable-grid article,
.fit-grid article,
.compare-table article,
.faq-list details {
  border: 1.5px solid var(--bno-slack-black);
  border-radius: 8px;
  background: var(--bno-paper);
  box-shadow: var(--bno-shadow-panel);
}

.shift-grid article {
  min-height: 260px;
  padding: 24px;
}

.shift-grid article:nth-child(1) {
  background: var(--bno-soft-yellow);
}

.shift-grid article:nth-child(2) {
  background: var(--bno-soft-orange);
}

.shift-grid article:nth-child(3) {
  background: var(--bno-soft-pink);
}

.shift-grid article:nth-child(4) {
  color: var(--bno-paper);
  background: var(--bno-slack-black);
}

.shift-grid article:nth-child(4) h3 {
  color: var(--bno-paper);
}

.shift-grid article:nth-child(4) p {
  color: rgba(255, 255, 255, 0.72);
}

.shift-grid article:nth-child(4) span {
  color: var(--bno-slack-black);
  background: var(--bno-paper);
}

.shift-grid span {
  width: fit-content;
  padding: 0 12px;
  background: var(--bno-paper);
}

.shift-grid h3,
.value-grid h3,
.route-grid h3,
.deliverable-grid h3,
.fit-grid strong,
.compare-table h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 430;
  line-height: 1.06;
  letter-spacing: 0;
}

.shift-grid p,
.value-grid p,
.route-grid p,
.deliverable-grid p,
.fit-grid p,
.compare-table li {
  color: var(--gbp-muted);
  font-size: 15px;
}

.source-note {
  max-width: 780px;
  margin-top: 20px;
  color: var(--gbp-muted);
  font-size: 14px;
}

.old-new {
  background: var(--bno-cool-gray);
}

.compare-table {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.compare-table article {
  padding: 30px;
}

.compare-table .highlight {
  background: var(--bno-soft-yellow);
}

.compare-table ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding-left: 20px;
}

.answer-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 210px;
  align-items: center;
  gap: 44px;
  border-top: 1.5px solid var(--bno-slack-black);
  border-bottom: 1.5px solid var(--bno-slack-black);
  background: var(--bno-slack-black);
  color: var(--bno-paper);
}

.answer-copy h2 {
  color: var(--bno-paper);
}

.answer-copy p {
  max-width: 78ch;
  color: rgba(255, 255, 255, 0.78);
}

.answer-block .eyebrow,
.brain .eyebrow {
  color: var(--bno-slack-black);
}

.answer-doodle {
  width: 190px;
  padding: 24px;
  border: 1.5px solid var(--bno-paper);
  border-radius: 8px;
  background: var(--bno-mellow-yellow);
  justify-self: end;
}

.value-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.value-grid article,
.route-grid article,
.deliverable-grid article,
.fit-grid article {
  min-height: 220px;
  padding: 24px;
}

.value-grid span {
  display: inline-block;
  margin-bottom: 18px;
  padding: 8px 10px;
  border-radius: 999px;
  background: var(--bno-cool-gray);
  font: 850 12px/1 var(--font-sans);
  text-transform: uppercase;
}

.value-grid article:nth-child(2) span,
.value-grid article:nth-child(3) span {
  background: var(--bno-soft-orange);
}

.booms-method {
  background: var(--bno-squiggle-soft);
}

.method-track {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.method-track article {
  min-height: 246px;
  padding: 22px;
  border: 1.5px solid var(--bno-slack-black);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.82);
}

.method-track strong {
  display: block;
  margin-bottom: 10px;
  font: 900 18px/1.08 var(--font-sans);
}

.method-track p {
  color: var(--gbp-muted);
  font-size: 15px;
}

.route-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.route-grid article:nth-child(2),
.deliverable-grid article:nth-child(2),
.deliverable-grid article:nth-child(5) {
  background: var(--bno-soft-yellow);
}

.route-grid article:nth-child(3),
.deliverable-grid article:nth-child(3),
.deliverable-grid article:nth-child(6) {
  background: var(--bno-soft-orange);
}

.brain {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 0.7fr);
  gap: 54px;
  align-items: center;
  background: var(--bno-slack-black);
  color: var(--bno-paper);
}

.brain-copy h2 {
  color: var(--bno-paper);
}

.brain-copy p {
  color: rgba(255, 255, 255, 0.76);
}

.brain-map {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.brain-map span {
  min-height: 104px;
  display: grid;
  place-items: center;
  border: 1.5px solid var(--bno-paper);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--bno-paper);
  font: 900 18px/1 var(--font-sans);
}

.brain-map span:nth-child(2),
.brain-map span:nth-child(5) {
  color: var(--bno-slack-black);
  background: var(--bno-mellow-yellow);
}

.brain-map span:nth-child(3) {
  color: var(--bno-slack-black);
  background: var(--bno-fiery-orange);
}

.deliverable-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.proof {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(330px, 0.65fr);
  gap: 56px;
  align-items: center;
  background: var(--bno-cool-gray);
}

.proof-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}

.proof-stats span {
  min-height: 104px;
  padding: 18px;
  border: 1.5px solid var(--bno-slack-black);
  border-radius: 8px;
  background: var(--bno-paper);
  font-weight: 760;
}

.proof-stats strong {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 430;
  line-height: 1;
}

.proof-photo {
  margin: 0;
}

.proof-photo img {
  width: 100%;
  aspect-ratio: 1 / 1.08;
  border: 1.5px solid var(--bno-slack-black);
  border-radius: 8px;
  object-fit: cover;
}

.proof-photo figcaption {
  margin-top: 10px;
  color: var(--gbp-muted);
  font: 850 12px/1.2 var(--font-sans);
  text-transform: uppercase;
}

.reviews {
  overflow: hidden;
  background: var(--bno-paper);
}

.reviews-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 240px;
  align-items: end;
  gap: 32px;
  margin-bottom: 42px;
}

.reviews h2 {
  max-width: 780px;
  margin: 0;
  font-size: 56px;
  line-height: 1;
  letter-spacing: 0;
}

.rating-card,
.review-column article {
  border: 1.5px solid var(--bno-slack-black);
  border-radius: 8px;
}

.rating-card {
  padding: 22px;
  background: var(--bno-soft-yellow);
  box-shadow: var(--bno-shadow-panel);
}

.rating-card strong {
  display: block;
  font-family: var(--font-display);
  font-size: 72px;
  line-height: 0.9;
  font-weight: 420;
}

.rating-card span,
.rating-card small {
  display: block;
  font-weight: 800;
}

.rating-card small {
  margin-top: 8px;
  color: rgba(0, 0, 0, 0.58);
}

.review-wall {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  height: 660px;
  overflow: hidden;
  padding: 4px 0;
  mask-image: linear-gradient(to bottom, transparent, #000 12%, #000 88%, transparent);
}

.review-wall::before,
.review-wall::after {
  content: "";
  position: absolute;
  z-index: 3;
  left: 0;
  right: 0;
  height: 120px;
  pointer-events: none;
}

.review-wall::before {
  top: 0;
  background: linear-gradient(to bottom, var(--bno-paper), rgba(255, 255, 255, 0));
}

.review-wall::after {
  bottom: 0;
  background: linear-gradient(to top, var(--bno-paper), rgba(255, 255, 255, 0));
}

.review-column {
  min-width: 0;
  overflow: hidden;
}

.review-column-inner {
  display: grid;
  gap: 18px;
  animation: reviewScrollUp 54s linear infinite;
  will-change: transform;
}

.review-column.reverse .review-column-inner {
  animation-name: reviewScrollDown;
  animation-duration: 62s;
  transform: translateY(-50%);
}

.review-wall:hover .review-column-inner {
  animation-play-state: paused;
}

.review-column article {
  min-height: 245px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  background: var(--bno-cool-gray);
  box-shadow: var(--bno-shadow-soft);
}

.review-column article:nth-child(2n) {
  background: var(--bno-paper);
}

.review-column article:nth-child(3n) {
  background: var(--bno-soft-yellow);
}

.review-column article:nth-child(5n) {
  background: var(--bno-soft-pink);
}

.stars {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  color: var(--bno-fiery-orange);
  font-size: 18px;
  font-weight: 850;
  letter-spacing: 0;
}

.stars span {
  color: var(--bno-slack-black);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0;
}

.review-column h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 25px;
  font-weight: 430;
  line-height: 1.05;
  letter-spacing: 0;
}

.review-column p {
  margin: 16px 0 20px;
  color: var(--bno-slack-black);
  font-size: 15px;
  line-height: 1.42;
}

.review-column span:not(.stars span) {
  color: var(--color-fg-muted);
  line-height: 1.35;
}

.review-column b {
  margin-top: auto;
  padding-top: 16px;
}

.source-line {
  margin-top: 12px;
  color: var(--color-fg-muted);
  font-size: 13px;
}

.fit-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.fit-grid article:first-child {
  background: var(--bno-soft-yellow);
}

.fit-grid article:last-child {
  background: var(--bno-soft-card-gray);
}

.fit-grid strong {
  display: block;
}

.faq {
  background: var(--bno-cool-gray);
}

.faq-list {
  display: grid;
  gap: 12px;
  max-width: 920px;
}

.faq-list details {
  padding: 0;
  overflow: hidden;
}

.faq-list summary {
  cursor: pointer;
  padding: 22px 24px;
  font: 900 18px/1.2 var(--font-sans);
}

.faq-list p {
  max-width: 76ch;
  margin: 0;
  padding: 0 24px 24px;
  color: var(--gbp-muted);
}

.final-cta {
  overflow: hidden;
  border-top: 1.5px solid var(--bno-slack-black);
  border-bottom: 1.5px solid var(--bno-slack-black);
  background: var(--bno-soft-yellow);
}

.final-cta > div {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.cta-squiggle {
  right: 18px;
  bottom: -110px;
  width: 340px;
  transform: rotate(18deg);
}

@media (max-width: 980px) {
  .section-pad {
    padding: 78px 22px;
  }

  .gbp-hero,
  .brain,
  .proof,
  .answer-block {
    grid-template-columns: 1fr;
  }

  .gbp-hero {
    min-height: auto;
    padding-top: 76px;
  }

  .gbp-hero h1 {
    max-width: 16ch;
    font-size: 50px;
  }

  .hero-lede {
    font-size: 18px;
  }

  .shift-grid,
  .value-grid,
  .route-grid,
  .deliverable-grid,
  .method-track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .reviews-head {
    grid-template-columns: 1fr;
  }

  .review-wall {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    height: 620px;
  }

  .review-column:nth-child(3) {
    display: none;
  }

  .answer-doodle {
    justify-self: start;
  }

}

@media (max-width: 680px) {
  .section-pad {
    padding: 64px 18px;
  }

  .gbp-hero h1 {
    max-width: 14ch;
    font-size: 38px;
  }

  .section-head h2,
  .answer-copy h2,
  .brain-copy h2,
  .proof-copy h2,
  .final-cta h2 {
    font-size: 38px;
  }

  .hero-actions,
  .proof-row {
    align-items: stretch;
    flex-direction: column;
  }

  .proof-row img {
    max-width: 178px;
  }

  .shift-grid,
  .value-grid,
  .route-grid,
  .deliverable-grid,
  .method-track,
  .reviews-head,
  .fit-grid,
  .compare-table,
  .proof-stats,
  .brain-map {
    grid-template-columns: 1fr;
  }

  .reviews h2 {
    font-size: 38px;
  }

  .review-wall {
    grid-template-columns: 1fr;
    height: 620px;
  }

  .review-column:nth-child(2),
  .review-column:nth-child(3) {
    display: none;
  }

  .system-node,
  .value-grid article,
  .route-grid article,
  .deliverable-grid article,
  .fit-grid article,
  .shift-grid article,
  .method-track article {
    min-height: auto;
  }

  .logo-cloud {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .logo-cloud img {
    height: 68px;
    padding: 16px;
  }

  .gbp-squiggle-one,
  .cta-squiggle {
    right: 18px;
    max-width: 300px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .review-column-inner {
    animation: none;
  }
}

@keyframes reviewScrollUp {
  0% { transform: translateY(0); }
  100% { transform: translateY(-50%); }
}

@keyframes reviewScrollDown {
  0% { transform: translateY(-50%); }
  100% { transform: translateY(0); }
}