/* Ruby page, "The climb": a hand-drawn trail runs from the summit sketch down to the contact. */
.cluster-light main:has(.rb) {
  width: 100%;
  max-width: none;
  padding-inline: 0;
  padding-bottom: 0;
}
.cluster-light main:has(.rb) > .cluster-frame { max-width: none; }

.rb {
  --rb-red: #d30001;
  --rb-ink: var(--site-ink);
  --rb-muted: var(--site-muted);
  --rb-line: color-mix(in srgb, var(--site-ink) 12%, transparent);
  --rb-wrap: 1080px;
  --sk-paper: var(--site-white);
  position: relative;
  overflow-x: clip;
  color: var(--rb-ink);
}

.rb-red { color: var(--rb-red); }

.rb-wrap {
  position: relative;
  z-index: 1;
  width: min(100% - 2 * var(--site-content-gutter), var(--rb-wrap));
  margin-inline: auto;
}

.cluster-light .rb h1,
.cluster-light .rb h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  letter-spacing: -.045em;
  text-wrap: balance;
}

.cluster-light .rb h2 {
  max-width: 17ch;
  font-size: clamp(2.1rem, 3.8vw, 3.2rem);
  line-height: 1.08;
}

.rb h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -.01em;
}

.rb-heading { max-width: 640px; }
.rb-heading--wide { max-width: 760px; }
.rb-heading > p {
  max-width: 60ch;
  margin: 20px 0 0;
  color: var(--rb-muted);
  line-height: 1.8;
}
.rb-heading > p + p { margin-top: 12px; }

.rb-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin-top: 32px;
}
.rb-actions--center { justify-content: center; }
.rb-actions :is(.brand-cta-primary, .brand-cta-secondary) { gap: 9px; padding: 12px 18px; }
.rb-actions .brand-cta-primary > span[aria-hidden] { transition: transform 200ms ease; }
.rb-actions .brand-cta-primary:hover > span[aria-hidden] { transform: translateY(2px); }

/* Sketches: every stroke is drawn when its block enters the viewport. */
.sk { display: block; width: 100%; height: auto; overflow: visible; color: var(--rb-ink); }
.sk .r { stroke: var(--rb-red); }
.sk path { stroke-dasharray: 1; stroke-dashoffset: 0; }
.rb.is-enhanced [data-draw] .sk path:not(.f) {
  stroke-dashoffset: 1;
  transition: stroke-dashoffset 1100ms cubic-bezier(.35, .6, .25, 1) calc(min(var(--i, 0), 24) * 38ms);
}
.rb.is-enhanced [data-draw] .sk .f { opacity: 0; transition: opacity 500ms ease 300ms; }
.rb.is-enhanced [data-draw].is-drawn .sk path:not(.f) { stroke-dashoffset: 0; }
.rb.is-enhanced [data-draw].is-drawn .sk .f { opacity: 1; }

/* Red pen underline, drawn on arrival. */
.rb-pen { position: relative; white-space: nowrap; }
.rb-pen .sk { position: absolute; left: -2%; bottom: -.2em; width: 104%; height: .34em; pointer-events: none; }
.rb-pen .sk path { stroke-width: 1.8; vector-effect: non-scaling-stroke; }
.rb.is-enhanced .rb-pen .sk path { transition-duration: 800ms; transition-delay: 450ms; }

/* The trail itself. */
.rb-trail {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.rb-trail__route { stroke: color-mix(in srgb, var(--site-ink) 38%, transparent); stroke-width: 1.4; stroke-dasharray: .5 7; }
.rb-trail__walked { stroke: var(--rb-red); stroke-width: 1.6; stroke-dasharray: .5 7; }
.rb-trail__hiker {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 0;
  width: 0;
  height: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 300ms ease;
}
.rb-trail__hiker.is-visible { opacity: 1; }
.rb-trail__hiker > span {
  position: absolute;
  inset: -5px;
  border-radius: 50%;
  background: var(--rb-red);
  box-shadow: 0 0 0 4px var(--site-white), 0 0 0 5px color-mix(in srgb, var(--rb-red) 40%, transparent);
}

/* Hero: base camp, looking at the summit. */
.rb-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  align-items: center;
  gap: 40px;
  padding-block: 8px 72px;
}
.rb-hero__identity { display: flex; align-items: center; gap: 20px; }
.rb-hero__portrait {
  display: block;
  flex: 0 0 auto;
  width: clamp(94px, 10.4vw, 125px);
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: 50%;
}
.rb-hero__portrait img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 30%; filter: grayscale(1) contrast(1.05); }
.cluster-light .rb-hero h1 { font-size: clamp(2.6rem, 5.2vw, 4.4rem); line-height: 1; }
.rb-lead {
  max-width: 50ch;
  margin: 18px 0 0;
  color: var(--rb-muted);
  font-size: 1rem;
  line-height: 1.8;
}
.rb-identity + .rb-lead,
.rb-hero__identity + .rb-lead { margin-top: 40px; }
.rb-hero__badge-wrap { position: relative; display: block; flex: 0 0 auto; }
.rb-hero__rails {
  position: absolute;
  bottom: -14px;
  left: 50%;
  width: 58px;
  height: auto;
  padding: 7px 14px 6px;
  box-sizing: content-box;
  border-radius: 999px;
  background: var(--site-white);
  box-shadow: 0 1px 3px rgb(12 12 12 / 12%);
  translate: -50% 0;
}

.rb-hero__peak {
  position: relative;
  width: 118%;
  margin: 0 -8% 0 -10%;
  aspect-ratio: 1000 / 850;
}
.rb-hero__mountain {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  mix-blend-mode: multiply;
  -webkit-mask-image: radial-gradient(ellipse 50% 50% at 50% 46%, #000 52%, transparent 98%);
  mask-image: radial-gradient(ellipse 50% 50% at 50% 46%, #000 52%, transparent 98%);
}
.rb-hero__cloud {
  position: absolute;
  height: auto;
  mix-blend-mode: multiply;
  pointer-events: none;
}
.rb-hero__cloud--back { top: 4%; right: -12%; width: 46%; opacity: .7; }
.rb-hero__cloud--front { bottom: 18%; left: -16%; width: 52%; }
.rb-hero__route { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; fill: none; }
.rb-hero__route-dots { stroke: var(--rb-red); stroke-width: 4; stroke-linecap: round; stroke-dasharray: .5 13; }
.rb-hero__route-reveal { stroke: #fff; stroke-width: 20; stroke-dasharray: 1; stroke-dashoffset: 0; }
.rb.is-enhanced .rb-hero__route-reveal { stroke-dashoffset: 1; transition: stroke-dashoffset 2400ms cubic-bezier(.45, .1, .25, 1) 300ms; }
.rb.is-enhanced .is-drawn .rb-hero__route-reveal { stroke-dashoffset: 0; }
.rb-hero__flag {
  position: absolute;
  top: 13.4%;
  left: 45.6%;
  width: 11%;
  transform: translate(-30%, -94%);
}
.rb.is-enhanced .rb-hero__flag .sk path:not(.f) { transition-delay: calc(2400ms + min(var(--i, 0), 24) * 38ms); }
.rb-hero__start { position: absolute; bottom: 0; left: 61.2%; width: 1px; height: 1px; }

/* Problems: waypoints on both sides of the trail. */
.rb-problems { padding-block: 72px 40px; }
.rb-steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-auto-flow: dense;
  column-gap: 168px;
  margin: 72px 0 0;
  padding: 0 0 150px;
  list-style: none;
}
.rb-step {
  position: relative;
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  column-gap: 20px;
  align-content: start;
  padding-block: 28px;
}
.rb-step:nth-child(odd) { grid-column: 2; }
.rb-step:nth-child(even) { grid-column: 1; top: 150px; }
.rb-step__art { grid-row: span 2; align-self: start; padding-top: 2px; }
.rb-step h3 { align-self: end; }
.rb-step p { margin: 8px 0 0; color: var(--rb-muted); font-size: .88rem; line-height: 1.7; }
.rb-step__cairn {
  position: absolute;
  top: 52px;
  width: 9px;
  height: 9px;
  border: 1.5px solid var(--rb-ink);
  border-radius: 50%;
  background: var(--site-white);
  transition: background-color 400ms ease, border-color 400ms ease;
}
.rb-step:nth-child(odd) .rb-step__cairn { left: -89px; }
.rb-step:nth-child(even) .rb-step__cairn { right: -89px; }
.rb-problems,
.rb-proof { position: relative; }
.rb-steps__exit { position: absolute; bottom: 24px; left: 50%; }
.rb-proof__exit { position: absolute; bottom: 48px; left: 0; }
.rb-step.is-drawn .rb-step__cairn { border-color: var(--rb-red); background: var(--rb-red); }

/* Each problem arrives, its sketch draws, then it gets crossed off in red. */
.rb-strike {
  background: linear-gradient(color-mix(in srgb, var(--rb-red) 80%, transparent), color-mix(in srgb, var(--rb-red) 80%, transparent)) 0 62% / 100% 1.2px no-repeat;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}
.rb.is-enhanced .rb-step > :not(.rb-step__cairn) { transition: opacity 700ms ease, translate 700ms cubic-bezier(.2, .65, .3, 1); }
.rb.is-enhanced .rb-step:not(.is-drawn) > :not(.rb-step__cairn) { opacity: 0; translate: 0 18px; }
.rb.is-enhanced .rb-step .sk path:not(.f) { transition-delay: calc(200ms + min(var(--i, 0), 24) * 38ms); }
.rb.is-enhanced .rb-strike { background-size: 0 1.2px; transition: background-size 650ms cubic-bezier(.6, .05, .3, 1); }
.rb.is-enhanced .is-struck .rb-strike { background-size: 100% 1.2px; }

/* UI: a pinned picture in a pencil frame. */
.rb-ui {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  align-items: center;
  gap: 64px;
  padding-block: 96px;
}
.rb-ui__photo {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--rb-line);
  border-radius: 16px;
  box-shadow: 0 18px 40px rgb(12 12 12 / 12%);
}
.rb-ui__photo img {
  display: block;
  width: 100%;
  aspect-ratio: 1.3;
  height: auto;
  object-fit: cover;
  object-position: top;
}

/* AI: night at camp. */
.rb-night {
  position: relative;
  z-index: 2;
  padding-block: 112px;
  color: #f4f3ef;
  background: #0c0c0c;
  overflow: hidden;
}
.rb-night::before,
.rb-night::after {
  content: "";
  position: absolute;
  width: 420px;
  aspect-ratio: 714 / 414;
  background: url("../images/home/engraved-cloud.png") center / contain no-repeat;
  filter: invert(1);
  opacity: .16;
  pointer-events: none;
}
.rb-night::before { top: 40px; right: -80px; }
.rb-night::after { bottom: 20px; left: -140px; transform: scaleX(-1); width: 520px; }
.rb-night .rb-wrap { z-index: 1; }
.cluster-light .rb-night h2 { color: #fff; }
.rb-night .rb-heading > p { color: #b9b8b2; }
.rb-ai { width: 100%; margin-top: 56px; border-collapse: collapse; }
.rb-ai thead th {
  padding: 0 0 14px;
  color: #8f8e88;
  font-size: .78rem;
  font-weight: 500;
  text-align: left;
}
.rb-ai tbody th,
.rb-ai td {
  padding: 28px 0;
  border-top: 1px solid rgb(255 255 255 / 14%);
  vertical-align: top;
  text-align: left;
}
.rb-ai tbody th {
  position: relative;
  width: 38%;
  padding-right: 88px;
  color: #fff;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.2rem;
  font-weight: 400;
  line-height: 1.35;
}
.rb-ai tbody th::after {
  content: "";
  position: absolute;
  top: 36px;
  right: 24px;
  width: 44px;
  height: 1.5px;
  background: var(--rb-red);
  transform-origin: left;
  transition: transform 700ms cubic-bezier(.3, .6, .3, 1) 200ms;
}
.rb.is-enhanced .rb-ai tbody tr:not(.is-drawn) th::after { transform: scaleX(0); }
.rb-ai td { color: #cfcec8; font-size: .94rem; line-height: 1.75; }

/* The kit: models and skills, inside the night section. */
.rb-kit {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  align-items: center;
  gap: 56px;
  margin-top: 72px;
  padding-top: 48px;
  border-top: 1px solid rgb(255 255 255 / 14%);
}
.rb-kit h3 { color: #fff; font-family: Georgia, "Times New Roman", serif; font-size: 1.5rem; font-weight: 400; letter-spacing: -.02em; }
.rb-kit p { max-width: 58ch; margin: 14px 0 0; color: #cfcec8; line-height: 1.8; }
.rb-kit__logos {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.rb-kit__logos li { display: flex; align-items: center; gap: 12px; color: #f4f3ef; font-size: .9rem; }
.rb-kit__logos svg { flex: 0 0 auto; width: 30px; height: 30px; }
.rb.is-enhanced .rb-kit__logos li { transition: opacity 600ms ease calc(var(--n) * 90ms + 200ms), translate 600ms cubic-bezier(.2, .65, .3, 1) calc(var(--n) * 90ms + 200ms); }
.rb.is-enhanced .rb-kit:not(.is-drawn) .rb-kit__logos li { opacity: 0; translate: 0 10px; }

/* Tools: the packing list. */
.rb-pack { padding-block: 112px 64px; }
.rb-pack__list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0 40px;
  margin: 48px 0 0;
  padding: 0;
  list-style: none;
}
.rb-pack__list li {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  column-gap: 12px;
  padding: 18px 0;
  border-top: 1px dashed var(--rb-line);
}
.rb-pack__list strong { font-size: .92rem; font-weight: 600; }
.rb-pack__list span { grid-column: 2; margin-top: 3px; color: var(--rb-muted); font-size: .8rem; line-height: 1.55; }
.rb-tick {
  grid-row: span 2;
  width: 20px;
  height: 20px;
  margin-top: 1px;
  fill: none;
  stroke: var(--rb-red);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.rb-tick path { stroke-dasharray: 1; stroke-dashoffset: 0; }
.rb.is-enhanced .rb-tick path { stroke-dashoffset: 1; transition: stroke-dashoffset 500ms ease-out 150ms; }
.rb.is-enhanced .is-drawn .rb-tick path { stroke-dashoffset: 0; }

/* Teaching: a taped photo and a signpost. */
.rb-teach {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, .9fr);
  grid-template-areas: "heading photo" "signs photo";
  align-items: start;
  gap: 40px 72px;
  padding-block: 96px;
}
.rb-teach .rb-heading { grid-area: heading; }
.rb-teach__photo { grid-area: photo; position: relative; margin: 24px 0 0; transform: rotate(2deg); }
.rb-teach__photo::before {
  content: "";
  position: absolute;
  top: -12px;
  left: 50%;
  z-index: 1;
  width: 96px;
  height: 26px;
  background: rgb(230 226 214 / 78%);
  transform: translateX(-50%) rotate(-3deg);
}
.rb-teach__photo img { display: block; width: 100%; height: auto; padding: 10px 10px 44px; background: #fff; box-shadow: 0 1px 2px rgb(0 0 0 / 8%), 0 14px 32px rgb(0 0 0 / 8%); filter: grayscale(1) brightness(1.18) contrast(.92); }
.rb-teach__photo figcaption {
  position: absolute;
  bottom: 12px;
  left: 20px;
  font-family: "Comic Sans MS", "Chalkboard SE", "Vollkorn", cursive;
  font-size: .86rem;
}
.rb-teach__signs {
  grid-area: signs;
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  column-gap: 20px;
}
.rb-teach__post { grid-row: span 2; width: 64px; }
.rb-teach__signs a {
  position: relative;
  display: grid;
  gap: 4px;
  padding: 14px 32px 14px 0;
  border-bottom: 1px solid var(--rb-line);
  color: var(--rb-ink);
  text-decoration: none;
}
.rb-teach__signs a::after {
  content: "→";
  position: absolute;
  top: 50%;
  right: 4px;
  color: var(--rb-muted);
  transform: translateY(-50%);
  transition: transform 200ms ease, color 200ms ease;
}
.rb-teach__signs a:hover::after { color: var(--rb-red); transform: translate(3px, -50%); }
.rb-teach__signs strong { font-family: Georgia, "Times New Roman", serif; font-size: 1.15rem; font-weight: 400; }
.rb-teach__signs span { color: var(--rb-muted); font-size: .8rem; line-height: 1.5; }

/* Proof: the elevation profile of 15 years. */
.rb-proof { padding-block: 96px; }
.rb-proof__profile { margin-top: 48px; }
.rb-proof__list { margin: 12px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--rb-line); }
.rb-proof__list a {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr) 24px;
  align-items: center;
  gap: 24px;
  padding: 22px 8px;
  border-bottom: 1px solid var(--rb-line);
  color: var(--rb-ink);
  text-decoration: none;
  transition: background-color 180ms ease;
}
.rb-proof__list a:hover { background: color-mix(in srgb, var(--rb-red) 4%, transparent); }
.rb-proof__year { color: var(--rb-red); font-size: .78rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.rb-proof__text strong { display: block; font-family: Georgia, "Times New Roman", serif; font-size: 1.12rem; font-weight: 400; }
.rb-proof__text > span { display: block; margin-top: 5px; color: var(--rb-muted); font-size: .82rem; line-height: 1.55; }
.rb-proof__arrow { color: var(--rb-muted); transition: transform 180ms ease; }
.rb-proof__list a:hover .rb-proof__arrow { transform: translateX(3px); }

/* Summit: contact. */
.rb-summit { scroll-margin-top: 96px; }
.rb-summit__cta {
  display: grid;
  justify-items: center;
  padding-block: 64px 88px;
  text-align: center;
}
.rb-summit__flag { width: 64px; margin-bottom: 20px; }
.cluster-light .rb-summit h2 { max-width: 18ch; font-size: clamp(2.2rem, 4.4vw, 3.6rem); }
.rb-summit__stage {
  position: relative;
  z-index: 2;
  height: clamp(300px, 36vw, 480px);
  overflow: hidden;
  background: #000;
}
.rb-summit__stage::before,
.rb-summit__stage::after {
  content: "";
  position: absolute;
  z-index: 1;
  aspect-ratio: 714 / 414;
  background: url("../images/home/engraved-cloud.png") center / contain no-repeat;
  filter: invert(1);
  opacity: .18;
  pointer-events: none;
}
.rb-summit__stage::before { top: 28px; left: 4%; width: min(30vw, 380px); }
.rb-summit__stage::after { top: 64px; right: 3%; width: min(24vw, 300px); transform: scaleX(-1); }
.rb-summit__stage img {
  position: absolute;
  bottom: 0;
  left: 50%;
  width: clamp(680px, 70vw, 1040px);
  max-width: none;
  height: auto;
  translate: -50% 0;
}

.rb a:focus-visible { outline: 2px solid var(--rb-ink); outline-offset: 4px; }

@media (prefers-reduced-motion: no-preference) {
  .rb.is-enhanced .rb-hero__cloud--back { animation: rb-drift 28s ease-in-out infinite alternate; }
  .rb.is-enhanced .rb-hero__cloud--front { animation: rb-drift 34s ease-in-out -8s infinite alternate-reverse; }
  .rb.is-enhanced .rb-trail__hiker > span::after {
    content: "";
    position: absolute;
    inset: -6px;
    border: 1px solid var(--rb-red);
    border-radius: 50%;
    animation: rb-pulse 2.4s ease-out infinite;
  }
  @keyframes rb-drift { to { transform: translateX(28px); } }
  @keyframes rb-pulse { from { opacity: .7; transform: scale(.6); } to { opacity: 0; transform: scale(1.8); } }
}

@media (max-width: 1023px) {
  .rb-steps { column-gap: 120px; }
  .rb-step:nth-child(odd) .rb-step__cairn { left: -65px; }
  .rb-step:nth-child(even) .rb-step__cairn { right: -65px; }
  .rb-pack__list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 767px) {
  .rb-wrap { width: auto; margin-inline: 20px 20px; padding-left: 22px; }
  .rb-hero { grid-template-columns: 1fr; gap: 8px; padding-bottom: 48px; }
  .rb-hero__identity { gap: 16px; }
  .rb-hero__peak { width: calc(100% + 20px); margin: 56px -10px 0; }
  .rb-problems { padding-top: 48px; }
  .rb-steps { grid-template-columns: 1fr; margin-top: 40px; padding-bottom: 0; }
  .rb-step { grid-template-columns: 72px minmax(0, 1fr); column-gap: 16px; padding-block: 22px; }
  .rb-step:nth-child(n) { grid-column: 1; top: 0; }
  .rb-step:nth-child(odd) .rb-step__cairn,
  .rb-step:nth-child(even) .rb-step__cairn { right: auto; left: -26.5px; top: 44px; }
  .rb-ui { grid-template-columns: 1fr; gap: 40px; padding-block: 72px; }
  .rb-night { padding-block: 132px 150px; }
  .rb-night::before { top: 24px; right: -28px; width: 200px; opacity: .32; }
  .rb-night::after { bottom: 28px; left: -36px; width: 240px; opacity: .28; }
  .rb-night .rb-wrap { padding-left: 0; }
  .rb-ai thead { display: none; }
  .rb-ai,
  .rb-ai tbody,
  .rb-ai tr,
  .rb-ai tbody th,
  .rb-ai td { display: block; width: auto; }
  .rb-ai tr { padding: 24px 0; border-top: 1px solid rgb(255 255 255 / 14%); }
  .rb-ai tbody th,
  .rb-ai td { padding: 0; border: 0; }
  .rb-ai tbody th { padding-bottom: 28px; }
  .rb-ai tbody th::after { top: auto; bottom: 12px; left: 0; right: auto; }
  .rb-kit { grid-template-columns: 1fr; gap: 36px; margin-top: 56px; padding-top: 40px; }
  .rb-kit__logos { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
  .rb-kit__logos li { flex-direction: column; gap: 8px; font-size: .74rem; text-align: center; }
  .rb-kit__logos svg { width: 28px; height: 28px; }
  .rb-pack { padding-block: 72px 40px; }
  .rb-pack__list { grid-template-columns: 1fr; }
  .rb-teach { grid-template-columns: 1fr; grid-template-areas: "heading" "photo" "signs"; gap: 40px; padding-block: 72px; }
  .rb-teach__photo { max-width: 360px; }
  .rb-proof { padding-block: 72px; }
  .rb-proof__list a { grid-template-columns: minmax(0, 1fr) 20px; gap: 6px 16px; padding-inline: 0; }
  .rb-proof__year { grid-column: 1 / -1; }
  .rb-proof__text { grid-column: 1; }
  .rb-summit__cta { padding-block: 48px 64px; }
  .rb-summit__stage { height: 300px; }
  .rb-summit__stage img { width: 640px; }
  .rb-summit__stage::before { top: 20px; left: -30px; width: 170px; opacity: .26; }
  .rb-summit__stage::after { top: 44px; right: -24px; width: 140px; opacity: .22; }
  .rb-summit .rb-actions { flex-direction: column; align-items: stretch; width: min(100%, 320px); }
}

@media (prefers-reduced-motion: reduce) {
  .rb *,
  .rb *::before,
  .rb *::after { animation: none !important; transition: none !important; }
}