/*
  Robotecture product page (src/projects/robotecture.html).
  An architecture-model palette: the studio’s warm paper, birch, printed white,
  ink, and one signal teal. Mono labels, a black readout, big lowercase type.
  Script: src/assets/js/robotecture.js
*/

.rb-page {
  --paper: #e9e4dc;
  --paper-2: #f3f0ea;
  --white: #fbfaf7;
  --ink: #151412;
  --ink-2: rgba(21, 20, 18, 0.64);
  --ink-3: rgba(21, 20, 18, 0.42);
  --line: rgba(21, 20, 18, 0.14);
  --wood: #c9a06c;
  --teal: #0e9f86;
  --teal-d: #0b7d6a;
  --amber: #ff7a1a;
  --lcd: #101010;
  --sans: "Geist Variable", "Helvetica Neue", Arial, sans-serif;
  --mono: "Geist Mono Variable", ui-monospace, Menlo, monospace;
  --gutter: clamp(16px, 4vw, 64px);
}

.rb-page main.full-bleed {
  display: block;
  overflow-x: clip;
}

.rb {
  font-family: var(--sans);
  font-size: 1.12rem;
  line-height: 1.45;
  color: var(--ink);
  background: var(--paper);
  text-wrap: pretty;
}

.rb *,
.rb *::before,
.rb *::after {
  box-sizing: border-box;
}

/* Resets use :where() so they never outrank a component's own styles. */
.rb :where(p, h1, h2, h3, h4, ol, ul, dl, dd, figure, blockquote) {
  margin: 0;
}

.rb :where(ol, ul) {
  padding: 0;
  list-style: none;
}

.rb :where(img, canvas, svg, video) {
  display: block;
  max-width: 100%;
}

.rb :where(img, video) {
  height: auto;
}

.rb :where(a) {
  color: inherit;
}

.rb :where(h1, h2, h3, h4) {
  text-wrap: balance;
}

.rb :focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

.rb-wrap {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.rb-label,
.rb-num,
.rb-kicker,
.rb-spec dt,
.rb-specs dt,
.rb-note {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 450;
  letter-spacing: 0.02em;
  color: var(--ink-3);
}

.rb-kicker {
  margin-bottom: 0.8rem;
  color: var(--teal-d);
}

.rb-note {
  line-height: 1.6;
}

.rb-big {
  font-size: clamp(22px, 2vw, 32px);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.rb-big ~ p {
  margin-top: 1.1rem;
  color: var(--ink-2);
}

/* ---------------------------------------------------------------- buttons */

.rb-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  padding: 0.9rem 1.35rem;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  color: #fff;
  text-decoration: none;
  background: var(--ink);
  border: 1px solid var(--ink);
  border-radius: 999px;
  cursor: pointer;
  transition: background-color 0.25s, border-color 0.25s, color 0.25s;
}

.rb-btn:hover {
  background: var(--teal);
  border-color: var(--teal);
}

.rb-btn--ghost {
  color: var(--ink);
  background: none;
  border-color: var(--line);
}

.rb-btn--ghost:hover {
  color: #fff;
}

/* ---------------------------------------------------------------- section heads */

.rb-sec {
  padding: clamp(90px, 13vh, 170px) 0;
}

.rb-head {
  display: grid;
  grid-template-columns: minmax(3rem, 1fr) 11fr;
  column-gap: 1.5rem;
  margin-bottom: clamp(36px, 5vw, 72px);
}

.rb-num {
  padding-top: 0.95em;
  color: var(--teal-d);
}

.rb-head h2 {
  font-size: clamp(40px, 5.4vw, 92px);
  font-weight: 650;
  line-height: 0.95;
  letter-spacing: -0.045em;
}

.rb-sub {
  grid-column: 2;
  max-width: 36em;
  margin-top: 1.1rem;
  font-size: clamp(18px, 1.35vw, 21px);
  color: var(--ink-2);
}

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

.rb-hero {
  position: relative;
  padding-top: calc(5.5rem + 3vh);
  overflow: hidden;
}

.rb-hero__top {
  position: relative;
  z-index: 2;
}

.rb-wordmark {
  margin: 0.15em 0 0 -0.05em;
  font-size: clamp(64px, 14.6vw, 250px);
  font-weight: 700;
  line-height: 0.82;
  letter-spacing: -0.07em;
}

.rb-hero__photo {
  position: relative;
  width: min(100%, 1500px, calc((100svh - 300px) * 1.7));
  margin: clamp(-100px, -6vw, -30px) auto 0;
  /* the photo's backdrop dissolves into the page at every edge */
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 11%, #000 89%, transparent), linear-gradient(transparent, #000 9%, #000 91%, transparent);
  -webkit-mask-composite: source-in;
  mask-image: linear-gradient(90deg, transparent, #000 11%, #000 89%, transparent), linear-gradient(transparent, #000 9%, #000 91%, transparent);
  mask-composite: intersect;
}

.rb-hero__photo img {
  width: 100%;
}

.rb-hero__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 1.6rem clamp(24px, 4vw, 64px);
  margin-top: clamp(-40px, -2vw, -10px);
  padding-bottom: clamp(56px, 9vh, 110px);
  position: relative;
}

.rb-hero__lede {
  flex: 1 1 22em;
  max-width: 24em;
  font-size: clamp(20px, 1.9vw, 30px);
  font-weight: 500;
  line-height: 1.22;
  letter-spacing: -0.015em;
}

.rb-hero__facts {
  display: flex;
  gap: clamp(20px, 3vw, 48px);
}

.rb-hero__facts dt {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-3);
}

.rb-hero__facts dd {
  font-size: clamp(26px, 2.6vw, 42px);
  font-weight: 650;
  letter-spacing: -0.04em;
}

/* ---------------------------------------------------------------- film */

.rb-film {
  background: var(--ink);
  color: #f1efe9;
}

.rb-film .rb-sub {
  color: rgba(241, 239, 233, 0.6);
}

.rb-film .rb-num {
  color: #5fd3bb;
}

.rb-film__frame {
  position: relative;
  width: min(100%, calc((100svh - 140px) * 16 / 9), 1440px);
  aspect-ratio: 16 / 9;
  margin: 0 auto;
  overflow: hidden;
  background: #000;
  border-radius: clamp(10px, 1.2vw, 18px);
}

.rb-film__play {
  position: absolute;
  inset: 0;
  display: block;
  color: #fff;
  text-decoration: none;
}

.rb-film__play img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.86);
  transition: filter 0.5s;
}

.rb-film__play:hover img {
  filter: none;
}

.rb-film__btn {
  position: absolute;
  left: 50%;
  top: 50%;
  display: grid;
  place-items: center;
  width: clamp(72px, 7vw, 104px);
  aspect-ratio: 1;
  translate: -50% -50%;
  background: var(--teal);
  border-radius: 50%;
  transition: scale 0.25s;
}

.rb-film__btn svg {
  width: 36%;
  margin-left: 6%;
  fill: #fff;
}

.rb-film__label {
  position: absolute;
  left: 50%;
  top: calc(50% + clamp(50px, 4.8vw, 70px));
  translate: -50% 0;
  font-family: var(--mono);
  font-size: 12px;
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.6);
}

.rb-film__play:hover .rb-film__btn {
  scale: 1.06;
}

.rb-film iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* ---------------------------------------------------------------- 02 idea */

.rb-idea {
  background: var(--paper-2);
}

.rb-idea__grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(260px, 4fr);
  gap: clamp(24px, 4vw, 72px);
  align-items: center;
}

.rb-kinetic {
  width: 100%;
  aspect-ratio: 4 / 3;
}

.rb-steps button {
  display: grid;
  grid-template-columns: 2rem 1fr;
  column-gap: 0.6rem;
  width: 100%;
  padding: 1rem 0 1.1rem;
  font: inherit;
  text-align: left;
  color: var(--ink-3);
  background: none;
  border: 0;
  border-top: 1px solid var(--line);
  cursor: pointer;
}

.rb-steps span {
  grid-row: span 2;
  font-family: var(--mono);
  font-size: 12px;
  padding-top: 0.3em;
}

.rb-steps b {
  font-size: clamp(20px, 1.6vw, 26px);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.rb-steps em {
  margin-top: 0.2rem;
  font-size: 16px;
  font-style: normal;
  line-height: 1.45;
}

.rb-steps button[aria-pressed="true"] {
  color: var(--ink);
}

.rb-steps button[aria-pressed="true"] span {
  color: var(--teal-d);
}

.rb-steps button[aria-pressed="true"] em {
  color: var(--ink-2);
}

.rb-versus {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(14px, 2vw, 32px);
  margin-top: clamp(80px, 11vh, 140px);
}

.rb-versus figure {
  padding: clamp(18px, 2vw, 32px);
  background: var(--white);
  border-radius: clamp(12px, 1.4vw, 20px);
}

.rb-versus svg {
  width: 100%;
  margin-bottom: 1.2rem;
}

.rb-versus figcaption p:not(.rb-kicker) {
  color: var(--ink-2);
}

.rb-vs__pins rect {
  fill: var(--white);
  stroke: var(--ink);
  stroke-width: 1.3;
}

.rb-vs__base {
  fill: rgba(21, 20, 18, 0.07);
  stroke: var(--ink);
  stroke-width: 1.3;
}

.rb-vs__acts line {
  stroke: var(--ink-3);
  stroke-width: 6;
}

.rb-vs__t {
  font-family: var(--mono);
  font-size: 12px;
  fill: var(--ink-3);
}

.rb-vs__leg,
.rb-vs__ground {
  stroke: var(--wood);
  stroke-width: 3;
}

.rb-vs__ground {
  stroke: var(--line);
  stroke-width: 1.3;
}

.rb-vs__skin {
  fill: none;
  stroke: var(--ink);
  stroke-width: 2;
}

.rb-vs__beam {
  fill: none;
  stroke: var(--wood);
  stroke-width: 2.4;
  stroke-dasharray: 5 4;
}

.rb-vs__unit rect {
  fill: var(--white);
  stroke: var(--ink);
  stroke-width: 1.3;
}

.rb-vs__ball {
  fill: var(--teal);
}

.rb-vs__arrow {
  fill: none;
  stroke: var(--teal);
  stroke-width: 1.6;
}

/* ---------------------------------------------------------------- 03 drive */

.rb-drive {
  background: var(--paper);
}

.rb-console {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(300px, 1fr);
  gap: clamp(16px, 2vw, 28px);
  padding: clamp(14px, 1.6vw, 24px);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: clamp(20px, 2vw, 32px);
  box-shadow: 0 40px 80px -60px rgba(40, 30, 10, 0.4);
}

.rb-stage {
  position: relative;
  background: var(--paper-2);
  border-radius: clamp(12px, 1.4vw, 20px);
}

.rb-view {
  width: 100%;
  aspect-ratio: 4 / 3;
  touch-action: none;
  cursor: grab;
}

.rb-view:focus-visible {
  outline-offset: -3px;
}

.rb-skin {
  position: absolute;
  top: 12px;
  left: 12px;
  display: flex;
  padding: 3px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.rb-skin button {
  padding: 0.4rem 0.8rem;
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--ink-2);
  background: none;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
}

.rb-skin button[aria-pressed="true"] {
  color: #fff;
  background: var(--ink);
}

.rb-panel {
  display: flex;
  flex-direction: column;
  gap: clamp(14px, 1.6vw, 20px);
  padding: clamp(4px, 0.6vw, 10px);
}

.rb-lcd {
  padding: 14px 16px 12px;
  font-family: var(--mono);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.55);
  background: var(--lcd);
  border-radius: 14px;
}

.rb-lcd__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
}

.rb-lcd__mode {
  font-size: 20px;
  font-weight: 500;
  color: #5fd3bb;
}

.rb-lcd__stat {
  font-size: 11px;
  text-align: right;
}

.rb-lcd__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 5px;
  margin: 12px 0 10px;
}

.rb-cell {
  display: grid;
  padding: 7px 9px 8px;
  background: #1b1b1b;
  border-radius: 6px;
}

.rb-cell b {
  font-size: 21px;
  font-weight: 500;
  line-height: 1.1;
  color: #fff;
  white-space: pre;
}

.rb-cell span {
  font-size: 10.5px;
  color: rgba(255, 255, 255, 0.5);
}

.rb-cell.is-sel {
  box-shadow: inset 0 0 0 1.5px #5fd3bb;
}

.rb-lcd__legend {
  font-size: 10.5px;
  color: rgba(255, 255, 255, 0.35);
}

.rb-keys {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 7px;
}

.rb-key {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-start;
  aspect-ratio: 1.15 / 1;
  min-width: 0;
  padding: 7px 8px;
  font-family: var(--mono);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--ink);
  text-align: left;
  background: #efede7;
  border: 0;
  border-radius: 10px;
  box-shadow: inset 0 -3px 0 rgba(0, 0, 0, 0.08), 0 1px 0 rgba(255, 255, 255, 0.8);
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s;
}

.rb-key span {
  font-size: 10px;
  font-weight: 450;
  color: var(--ink-3);
}

.rb-key:active {
  translate: 0 1px;
}

.rb-key[aria-checked="true"] {
  color: #fff;
  background: var(--ink);
}

.rb-key[aria-checked="true"] span {
  color: #5fd3bb;
}

.rb-sun {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.8rem;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-2);
}

.rb-sun[hidden] {
  display: none;
}

.rb-sun input {
  accent-color: var(--amber);
}

.rb-sun output {
  color: var(--ink);
}

.rb-hint {
  min-height: 4.4em;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--ink-2);
}

/* the real skeleton, as large as the screen allows */
.rb-skeleton {
  width: min(100%, calc((100svh - 140px) * 1.5));
  margin: clamp(48px, 7vh, 90px) auto 0;
}

.rb-skeleton video {
  width: 100%;
  border-radius: clamp(12px, 1.4vw, 20px);
}

.rb-drive__under {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  gap: clamp(20px, 3vw, 48px);
  align-items: start;
  width: min(100%, calc((100svh - 140px) * 1.5));
  margin: 1.2rem auto 0;
}

.rb-skeleton__cap {
  font-size: clamp(18px, 1.4vw, 22px);
  line-height: 1.3;
  color: var(--ink-2);
}

.rb-skeleton__cap b {
  display: block;
  font-weight: 600;
  color: var(--ink);
}

.rb-drive__under .rb-note {
  max-width: 48em;
}

/* ---------------------------------------------------------------- 04 mechanism */

.rb-mech {
  background: var(--paper-2);
}

.rb-section {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(260px, 4fr);
  gap: clamp(20px, 3vw, 56px);
  align-items: start;
  padding: clamp(14px, 2vw, 28px);
  background: var(--white);
  border-radius: clamp(14px, 1.6vw, 24px);
}

.rb-section svg {
  width: 100%;
  touch-action: none;
  user-select: none;
}

.rb-sec__datum {
  stroke: var(--line);
  stroke-dasharray: 4 5;
}

.rb-sec__small {
  font-family: var(--mono);
  font-size: 12px;
  fill: var(--ink-3);
}

.rb-sec__rod {
  stroke: var(--wood);
  stroke-width: 4;
  stroke-linecap: round;
}

.rb-sec__tube {
  stroke: #dcd8ce;
  stroke-width: 10;
  stroke-linecap: round;
}

.rb-sec__rod.is-lim,
.rb-sec__tube.is-lim {
  stroke: var(--amber);
}

.rb-sec__frame {
  fill: var(--white);
  stroke: var(--ink);
  stroke-width: 1.5;
}

.rb-sec__leg {
  stroke: var(--wood);
  stroke-width: 4;
}

.rb-sec__unit {
  fill: var(--white);
  stroke: var(--ink);
  stroke-width: 1.5;
}

.rb-sec__unit.is-sel {
  fill: #d9f1eb;
  stroke: var(--teal);
  stroke-width: 2;
}

.rb-sec__motor {
  fill: #333;
}

.rb-sec__arc {
  fill: none;
  stroke: var(--ink-3);
  stroke-width: 1.4;
}

.rb-sec__arc.is-sel {
  stroke: var(--teal);
  stroke-width: 2.2;
}

.rb-sec__alpha {
  font-family: var(--mono);
  font-size: 14px;
  fill: var(--ink);
}

.rb-sec__hit {
  fill: transparent;
  cursor: ns-resize;
}

.rb-sec__hit:focus-visible {
  outline: none;
  stroke: var(--teal);
  stroke-width: 2;
  stroke-dasharray: 3 3;
}

.rb-math__in {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  margin-bottom: 1.4rem;
}

.rb-math__in div {
  padding: 8px 10px;
  background: var(--paper-2);
  border-radius: 8px;
}

.rb-math__in dt {
  font-family: var(--mono);
  font-size: 11px;
  font-style: italic;
  color: var(--ink-3);
}

.rb-math__in dd {
  font-family: var(--mono);
  font-size: 17px;
}

.rb-math__eq {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 0;
  font-family: var(--mono);
  font-size: 14px;
  border-top: 1px solid var(--line);
}

.rb-math__eq b {
  font-weight: 500;
}

.rb-math__eq--out {
  font-size: 16px;
  border-top-color: var(--ink);
}

.rb-math__eq--out b {
  color: var(--teal-d);
}

.rb-math__note {
  margin-top: 0.8rem;
  font-weight: 500;
}

.rb-math__fine {
  margin-top: 1rem;
  font-size: 15px;
  color: var(--ink-3);
}

.rb-anat {
  display: grid;
  grid-template-columns: minmax(0, 8fr) minmax(260px, 4fr);
  gap: clamp(20px, 2.6vw, 44px);
  align-items: start;
  margin-top: clamp(64px, 9vh, 110px);
}

.rb-anat__fig {
  position: relative;
  overflow: hidden;
  background: #fff;
  border-radius: clamp(10px, 1vw, 16px);
}

.rb-anat__fig img {
  width: 100%;
}

.rb-anat__box {
  position: absolute;
  border: 1.5px solid var(--teal);
  border-radius: 6px;
  box-shadow: 0 0 0 9999px rgba(255, 255, 255, 0.72);
  opacity: 0;
  transition: opacity 0.3s, left 0.4s, top 0.4s, width 0.4s, height 0.4s;
  pointer-events: none;
}

.rb-anat__fig.is-on .rb-anat__box {
  opacity: 1;
}

.rb-anat__list button {
  display: grid;
  grid-template-columns: 2rem 1fr;
  column-gap: 0.6rem;
  width: 100%;
  padding: 0.7rem 0 0.8rem;
  font: inherit;
  text-align: left;
  color: var(--ink-2);
  background: none;
  border: 0;
  border-top: 1px solid var(--line);
  cursor: pointer;
}

.rb-anat__list span {
  grid-row: span 2;
  display: grid;
  place-items: center;
  width: 1.6rem;
  height: 1.6rem;
  font-family: var(--mono);
  font-size: 11px;
  border: 1px solid var(--line);
  border-radius: 50%;
}

.rb-anat__list b {
  font-size: 17px;
  font-weight: 550;
  color: var(--ink);
}

.rb-anat__list em {
  margin-top: 0.15rem;
  font-size: 15px;
  font-style: normal;
  line-height: 1.45;
  color: var(--ink-3);
}

.rb-anat__list button[aria-current="true"] span {
  color: #fff;
  background: var(--teal);
  border-color: var(--teal);
}

.rb-anat__list button[aria-current="true"] em {
  color: var(--ink-2);
}

/* ---------------------------------------------------------------- 05 prototypes */

.rb-protos__list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(16px, 2.4vw, 40px);
}

.rb-protos__list li {
  counter-increment: proto;
}

.rb-protos__list img {
  width: 100%;
  aspect-ratio: 8 / 7;
  object-fit: cover;
  margin-bottom: 1.4rem;
  border-radius: clamp(10px, 1vw, 16px);
  filter: grayscale(1) contrast(1.05);
}

.rb-protos__list h3 {
  margin-bottom: 0.5rem;
  font-size: clamp(26px, 2.2vw, 36px);
  font-weight: 650;
  letter-spacing: -0.035em;
}

.rb-protos__list p:not(.rb-kicker) {
  color: var(--ink-2);
}

.rb-protos__list li:last-child h3 {
  color: var(--teal-d);
}

/* ---------------------------------------------------------------- 06 modular */

.rb-mod {
  background: var(--paper-2);
}

.rb-mod__fig {
  padding: clamp(10px, 2vw, 32px);
  background: #fff;
  border-radius: clamp(14px, 1.6vw, 24px);
}

.rb-mod__fig img {
  width: 100%;
}

.rb-mod__photos {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(12px, 1.6vw, 24px);
  margin-top: clamp(12px, 1.6vw, 24px);
}

.rb-mod__photos img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: clamp(10px, 1vw, 16px);
}

.rb-mod__photos figcaption {
  display: flex;
  gap: 0.8rem;
  margin-top: 0.7rem;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-3);
}

.rb-mod__photos figcaption b {
  font-weight: 500;
  color: var(--ink);
}

.rb-wiring {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(24px, 4vw, 72px);
  align-items: center;
  margin-top: clamp(80px, 11vh, 140px);
}

.rb-wiring svg {
  width: 100%;
}

.rb-w__box rect {
  fill: var(--white);
  stroke: var(--ink);
  stroke-width: 1.3;
}

.rb-w__box rect.is-out {
  fill: var(--ink);
}

.rb-w__line path {
  fill: none;
  stroke: var(--teal);
  stroke-width: 2;
}

.rb-w__line path.is-pwr {
  stroke: var(--amber);
}

.rb-w__t text {
  font-family: var(--mono);
  font-size: 13px;
  fill: var(--ink);
}

.rb-w__t text.s {
  font-size: 10.5px;
  fill: var(--ink-3);
}

.rb-w__t text.k {
  font-size: 11px;
  fill: var(--teal-d);
}

.rb-w__t text.big {
  font-family: var(--sans);
  font-size: 26px;
  font-weight: 650;
}

.rb-w__t text[x="571"] {
  fill: #fff;
}

.rb-w__t text[x="571"].s {
  fill: rgba(255, 255, 255, 0.55);
}

/* ---------------------------------------------------------------- 07 numbers */

.rb-specs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0 clamp(14px, 2vw, 32px);
}

.rb-specs div {
  padding: 1.1rem 0 1.4rem;
  border-top: 1px solid var(--ink);
}

.rb-specs dd {
  margin-top: 0.4rem;
  font-size: clamp(44px, 5vw, 84px);
  font-weight: 650;
  line-height: 0.95;
  letter-spacing: -0.06em;
}

.rb-specs small {
  margin-left: 0.15em;
  font-family: var(--mono);
  font-size: 0.2em;
  font-weight: 450;
  letter-spacing: 0;
  color: var(--ink-3);
}

.rb-nums__grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(16px, 2.4vw, 40px);
  align-items: start;
  margin-top: clamp(48px, 7vh, 90px);
}

.rb-receipt,
.rb-load {
  padding: clamp(18px, 2vw, 30px);
  background: var(--white);
  border-radius: clamp(12px, 1.4vw, 20px);
}

.rb-receipt dl div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0;
  font-family: var(--mono);
  font-size: 13px;
  border-top: 1px dashed var(--line);
}

.rb-receipt dt {
  color: var(--ink-2);
}

.rb-receipt .is-sum {
  border-top: 1px solid var(--ink);
}

.rb-receipt .is-sum :is(dt, dd) {
  color: var(--ink);
  font-weight: 500;
}

.rb-receipt .is-total {
  margin-top: 0.4rem;
  padding-top: 0.9rem;
  border-top: 2px solid var(--ink);
}

.rb-receipt .is-total dt {
  color: var(--ink);
}

.rb-receipt .is-total dd {
  font-family: var(--sans);
  font-size: 30px;
  font-weight: 650;
  letter-spacing: -0.04em;
  color: var(--teal-d);
}

.rb-load__body {
  display: grid;
  grid-template-columns: minmax(160px, 260px) 1fr;
  gap: clamp(16px, 2.4vw, 36px);
  align-items: start;
}

.rb-load__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3px;
  padding: 8px;
  background: #d9d4ca;
  border-radius: 8px;
}

.rb-load__grid span {
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 500;
  border-radius: 4px;
}

.rb-load .c4 {
  color: var(--ink);
  background: #c9ebe2;
}

.rb-load .c6 {
  color: var(--ink);
  background: #6cc3ae;
}

.rb-load .c8 {
  color: #fff;
  background: #0b6e5d;
}

.rb-load figcaption p {
  font-size: 15px;
  color: var(--ink-2);
}

.rb-load figcaption p + p {
  margin-top: 0.8rem;
}

.rb-load__key {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--mono);
  font-size: 12px;
}

.rb-load__key i {
  width: 14px;
  height: 14px;
  margin-left: 0.4rem;
  border-radius: 3px;
}

.rb-load__key i:first-child {
  margin-left: 0;
}

/* ---------------------------------------------------------------- 08 applications */

.rb-apps__group + .rb-apps__group {
  margin-top: clamp(56px, 8vh, 96px);
}

.rb-apps__h {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  margin-bottom: 1.4rem;
  padding-top: 1rem;
  font-size: clamp(22px, 1.8vw, 30px);
  font-weight: 600;
  letter-spacing: -0.025em;
  border-top: 1px solid var(--ink);
}

.rb-apps__h span {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 450;
  color: var(--teal-d);
}

.rb-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 250px), 1fr));
  gap: clamp(14px, 1.8vw, 28px);
}

.rb-cards li {
  display: flex;
  flex-direction: column;
}

.rb-cards img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  margin-bottom: 1rem;
  border-radius: clamp(8px, 0.9vw, 14px);
}

.rb-cards h4 {
  margin-bottom: 0.35rem;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.rb-cards p {
  font-size: 16px;
  line-height: 1.45;
  color: var(--ink-2);
}

.rb-run {
  align-self: flex-start;
  margin-top: 0.9rem;
  padding: 0;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--teal-d);
  background: none;
  border: 0;
  border-bottom: 1px solid currentColor;
  cursor: pointer;
}

.rb-run:hover {
  color: var(--ink);
}

/* ---------------------------------------------------------------- 09 limits */

.rb-limits {
  background: var(--paper-2);
}

.rb-limits__list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(16px, 2.4vw, 40px);
}

.rb-limits__list li {
  padding-top: 1rem;
  border-top: 1px solid var(--ink);
}

.rb-limits__list h3 {
  margin-bottom: 0.5rem;
  font-size: 22px;
  font-weight: 650;
  letter-spacing: -0.025em;
}

.rb-limits__list p {
  font-size: 16px;
  color: var(--ink-2);
}

.rb-next {
  max-width: 44em;
  margin: clamp(56px, 8vh, 96px) 0 0 auto;
  font-size: clamp(22px, 2vw, 32px);
  font-weight: 500;
  line-height: 1.22;
  letter-spacing: -0.02em;
}

.rb-next .rb-kicker {
  display: block;
}

/* ---------------------------------------------------------------- 10 tei */

.rb-tei {
  padding-bottom: clamp(100px, 15vh, 190px);
}

.rb-tei__grid {
  display: grid;
  grid-template-columns: minmax(220px, 5fr) 7fr;
  gap: clamp(28px, 5vw, 96px);
  align-items: start;
}

.rb-tei__photo img {
  width: 100%;
  border-radius: clamp(10px, 1vw, 16px);
}

.rb-cite {
  margin-top: 1.6rem;
  padding-left: 1.1rem;
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink-2);
  border-left: 2px solid var(--teal);
}

.rb-tei__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.8rem;
}

.rb-tei__text .rb-tei__links a {
  color: #fff;
}

.rb-tei__text .rb-tei__links .rb-btn--ghost {
  color: var(--ink);
}

.rb-tei__text .rb-tei__links .rb-btn--ghost:hover {
  color: #fff;
}

.rb-record {
  max-width: 900px;
  margin: clamp(64px, 9vh, 110px) 0 0 auto;
}

.rb-spec div {
  display: grid;
  grid-template-columns: minmax(6rem, 9rem) 1fr;
  gap: 1rem;
  padding: 0.75rem 0 0.8rem;
  border-top: 1px solid var(--line);
}

.rb-spec dt {
  padding-top: 0.25em;
}

.rb-spec dd {
  font-size: clamp(18px, 1.4vw, 22px);
}

.rb-spec small {
  display: block;
  margin-top: 0.2em;
  font-size: 14px;
  color: var(--ink-3);
}

/* ---------------------------------------------------------------- smaller screens */

@media (max-width: 1100px) {
  .rb-console,
  .rb-section,
  .rb-anat,
  .rb-idea__grid {
    grid-template-columns: 1fr;
  }

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

  .rb-nums__grid,
  .rb-wiring {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .rb-head {
    grid-template-columns: 1fr;
  }

  .rb-num {
    padding: 0 0 0.6rem;
  }

  .rb-sub {
    grid-column: 1;
  }

  .rb-hero__photo {
    margin-top: 0;
    width: 150%;
    margin-left: -25%;
  }

  .rb-hero__foot {
    margin-top: -10px;
  }

  .rb-versus,
  .rb-protos__list,
  .rb-mod__photos,
  .rb-drive__under,
  .rb-load__body,
  .rb-tei__grid {
    grid-template-columns: 1fr;
  }

  .rb-keys {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 5px;
  }

  .rb-key {
    aspect-ratio: auto;
    min-height: 54px;
    padding: 6px;
    font-size: 11px;
  }

  .rb-cell b {
    font-size: 18px;
  }

  .rb-load__grid {
    max-width: 240px;
  }

  .rb-wiring__fig {
    margin-inline: calc(var(--gutter) * -1);
    padding-inline: var(--gutter);
    overflow-x: auto;
    scrollbar-width: thin;
  }

  .rb-wiring__fig svg {
    width: 600px;
    max-width: none;
  }

  .rb-spec div {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .rb-anat__box {
    transition: opacity 0.2s;
  }

  .rb-key,
  .rb-btn,
  .rb-film__btn {
    transition: none;
  }
}