/*
  Rubber Ducky product page (src/projects/rubber-ducky.html).
  A light, product-page base crossed with the project site's retro-computer
  language: window chrome with file names, a CRT terminal, ticker tape.
  Interactivity: src/assets/js/rubber-ducky.js
*/

.rd-page {
  --rd-lab: #ebeae5;
  --rd-lab-2: #e1e0da;
  --rd-paper: #f7f6f2;
  --rd-ink: #151515;
  --rd-ink-2: rgba(21, 21, 21, 0.64);
  --rd-ink-3: rgba(21, 21, 21, 0.4);
  --rd-line: rgba(21, 21, 21, 0.15);
  --rd-yellow: #ffd21a;
  --rd-bill: #ff7a1a;
  --rd-blue: #3a6fe0;
  --rd-crt: #0e0c08;
  --rd-crt-2: #16130c;
  --rd-phos: #ffc23d;
  --rd-phos-2: rgba(255, 194, 61, 0.66);
  --rd-phos-3: rgba(255, 194, 61, 0.34);
  --rd-sans: "Geist Variable", "Helvetica Neue", Arial, sans-serif;
  --rd-mono-f: "Geist Mono Variable", ui-monospace, Menlo, monospace;
  --rd-gutter: clamp(16px, 4vw, 64px);
}

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

.rd {
  text-wrap: pretty;
  font-family: var(--rd-sans);
  font-size: 1.15rem;
  line-height: 1.45;
  color: var(--rd-ink);
}

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

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

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

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

.rd :where(img) {
  display: block;
  max-width: 100%;
  height: auto;
}

.rd :where(button) {
  font: inherit;
  color: inherit;
  cursor: pointer;
}

.rd-mono {
  font-family: var(--rd-mono-f);
  font-size: 0.8rem;
  letter-spacing: 0.02em;
}

.rd-wrap {
  width: 100%;
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 var(--rd-gutter);
}

.rd > section {
  padding: clamp(80px, 14vh, 170px) 0;
}

.rd-lab {
  background: var(--rd-lab);
}

.rd-lab--2 {
  background: var(--rd-lab-2);
}

.rd-crt {
  position: relative;
  background: var(--rd-crt);
  color: var(--rd-phos);
  background-image: radial-gradient(rgba(255, 194, 61, 0.09) 1px, transparent 1.2px);
  background-size: 22px 22px;
}

.rd-crt::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(0deg, rgba(0, 0, 0, 0.18) 0 1px, transparent 1px 3px);
}

.rd-crt > * {
  position: relative;
  z-index: 1;
}

.rd-crt--2 {
  background-color: var(--rd-crt-2);
}

.rd-crt .rd-kicker {
  color: var(--rd-phos-2);
}

/* "01 ——— label" */
.rd-kicker {
  display: flex;
  align-items: center;
  gap: 0.9em;
  margin-bottom: 2rem;
  font-family: var(--rd-mono-f);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  opacity: 0.8;
}

.rd-kicker span {
  display: inline-flex;
  align-items: center;
  gap: 0.9em;
  color: var(--rd-bill);
}

.rd-kicker span::after {
  content: "";
  width: 2.2rem;
  height: 1px;
  background: currentColor;
  opacity: 0.6;
}

.rd-h2 {
  text-wrap: balance;
  font-size: clamp(30px, 4.6vw, 76px);
  font-weight: 520;
  line-height: 1;
  letter-spacing: -0.04em;
}

.rd-crt .rd-h2 {
  color: #ffd27a;
  text-shadow: 0 0 22px rgba(255, 170, 40, 0.35);
}

.rd-sub {
  max-width: 46ch;
  margin-top: 1.6rem;
  color: var(--rd-ink-2);
}

.rd-crt .rd-sub {
  color: var(--rd-phos-2);
}

.rd-note {
  margin-top: 1.6rem;
  color: var(--rd-ink-3);
}

/* ---------------------------------------------------------------- windows */

.rd-win {
  display: flex;
  flex-direction: column;
  min-width: 0;
  border: 1.5px solid var(--rd-ink);
  border-radius: 8px;
  background: var(--rd-paper);
  overflow: hidden;
  box-shadow: 4px 4px 0 var(--rd-ink);
}

.rd-win__bar {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.5rem 0.8rem;
  border-bottom: 1.5px solid var(--rd-ink);
  background:
    repeating-linear-gradient(0deg, transparent 0 3px, rgba(21, 21, 21, 0.12) 3px 4px) center / 100% 60% no-repeat,
    var(--rd-yellow);
  font-family: var(--rd-mono-f);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.rd-win__bar > span:not(.rd-win__dots):not(.rd-win__meta) {
  padding: 0 0.4em;
  background: var(--rd-yellow);
}

.rd-win__dots {
  display: inline-flex;
  gap: 4px;
  padding-right: 0.3em;
  background: var(--rd-yellow);
}

.rd-win__dots i {
  width: 9px;
  height: 9px;
  border: 1.5px solid var(--rd-ink);
  border-radius: 50%;
  background: var(--rd-paper);
}

.rd-win__meta {
  margin-left: auto;
  padding: 0 0.4em;
  background: var(--rd-yellow);
  font-weight: 400;
  text-transform: lowercase;
  overflow: hidden;
  text-overflow: ellipsis;
}

.rd-win__body {
  padding: clamp(14px, 2vw, 28px);
}

.rd-win--crt {
  border-color: var(--rd-phos-3);
  background: rgba(10, 8, 4, 0.92);
  color: var(--rd-phos);
  box-shadow: 4px 4px 0 rgba(255, 194, 61, 0.18), 0 0 40px rgba(255, 170, 40, 0.06);
}

.rd-win--crt .rd-win__bar {
  border-color: var(--rd-phos-3);
  color: var(--rd-crt);
}

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

.rd-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  padding: 0.75em 1.2em;
  border: 1.5px solid var(--rd-ink);
  border-radius: 999px;
  background: var(--rd-paper);
  color: var(--rd-ink);
  font-family: var(--rd-mono-f);
  font-size: 0.8rem;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 2px 2px 0 var(--rd-ink);
  transition: transform 0.12s, box-shadow 0.12s, background 0.2s;
}

.rd-btn:hover:not(:disabled),
.rd-btn:focus-visible {
  outline: none;
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0 var(--rd-ink);
}

.rd-btn:active:not(:disabled) {
  transform: translate(2px, 2px);
  box-shadow: 0 0 0 var(--rd-ink);
}

.rd-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.rd-btn--yellow {
  background: var(--rd-yellow);
}

.rd-btn--crt {
  border-color: var(--rd-phos-2);
  background: transparent;
  color: var(--rd-phos);
  box-shadow: 2px 2px 0 var(--rd-phos-3);
}

.rd-btn--crt:hover,
.rd-btn--crt:focus-visible {
  box-shadow: 3px 3px 0 var(--rd-phos-3);
  background: rgba(255, 194, 61, 0.1);
}

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

.rd > .rd-hero {
  padding: calc(5.5rem + 2vh) 0 0;
  overflow: hidden;
}

.rd-wordmark {
  position: relative;
  display: flex;
  align-items: flex-start;
  /* sized so "rubber ducky" spans the content width */
  font-size: clamp(42px, calc((min(100vw, 1360px) - 2 * var(--rd-gutter)) / 5.6), 230px);
  font-weight: 620;
  line-height: 0.86;
  letter-spacing: -0.055em;
  white-space: nowrap;
}

/* "no. 86" sticker, sized in its own em (0.2 of the wordmark). */
.rd-sticker {
  position: absolute;
  right: 0.2em;
  top: -0.35em;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 2.6em;
  height: 2.6em;
  border: 2px solid var(--rd-ink);
  border-radius: 50%;
  background: var(--rd-yellow);
  font-family: var(--rd-mono-f);
  font-size: 0.2em;
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 0.9;
  transform: rotate(12deg);
  box-shadow: 3px 3px 0 var(--rd-ink);
}

.rd-sticker small {
  font-size: 0.3em;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.rd-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 64px);
  align-items: center;
  margin-top: clamp(24px, 3.5vw, 48px);
  padding-bottom: clamp(48px, 7vh, 88px);
}

.rd-hero__shot img {
  width: 100%;
}

.rd-hero__lede {
  font-size: clamp(22px, 2.2vw, 36px);
  font-weight: 480;
  line-height: 1.1;
  letter-spacing: -0.025em;
}

.rd-facts {
  margin-top: 2rem;
  border-top: 1.5px solid var(--rd-ink);
}

.rd-facts div,
.rd-spec div {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 1rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--rd-line);
}

.rd-facts dt,
.rd-spec dt {
  padding-top: 0.15em;
  color: var(--rd-ink-3);
  font-family: var(--rd-mono-f);
  font-size: 0.8rem;
}

.rd-facts dd {
  font-size: 0.98rem;
}

.rd-facts b {
  font-weight: 600;
  background: linear-gradient(transparent 55%, var(--rd-yellow) 55%);
}

.rd-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.rd-ticker {
  overflow: hidden;
  border-block: 1.5px solid var(--rd-ink);
  background: var(--rd-yellow);
  font-family: var(--rd-mono-f);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.rd-ticker__track {
  display: flex;
  width: max-content;
  animation: rd-ticker 38s linear infinite;
}

.rd-ticker span {
  padding: 0.7rem 1.4rem;
  white-space: nowrap;
}

.rd-ticker span::after {
  content: "◆";
  margin-left: 2.8rem;
  color: var(--rd-bill);
}

@keyframes rd-ticker {
  to {
    transform: translateX(-50%);
  }
}

/* ---------------------------------------------------------------- briefing */

.rd-brief__body {
  padding: clamp(20px, 3.5vw, 56px);
}

.rd-statement {
  max-width: 30ch;
  font-size: clamp(26px, 3.4vw, 54px);
  font-weight: 460;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: #ffd27a;
  text-shadow: 0 0 22px rgba(255, 170, 40, 0.3);
}

.rd-statement mark {
  background: var(--rd-yellow);
  color: var(--rd-crt);
  text-shadow: none;
  padding: 0 0.15em;
}

.rd-brief__cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(20px, 4vw, 64px);
  margin-top: 3rem;
  color: var(--rd-phos-2);
}

.rd-prompt {
  margin-bottom: 0.6rem;
  color: var(--rd-bill);
  font-family: var(--rd-mono-f);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ---------------------------------------------------------------- simulator */

.rd-sim {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  grid-template-areas:
    "top side"
    "term ctl";
  gap: clamp(14px, 1.8vw, 24px);
  margin-top: 3.5rem;
}

.rd-sim__top {
  grid-area: top;
}

.rd-sim__side {
  grid-area: side;
}

.rd-sim__term {
  grid-area: term;
}

.rd-sim__ctl {
  grid-area: ctl;
}

.rd-kb,
.rd-neck,
.rd-iksvg {
  display: block;
  width: 100%;
  height: auto;
  background:
    linear-gradient(var(--rd-line) 1px, transparent 1px) 0 0 / 24px 24px,
    linear-gradient(90deg, var(--rd-line) 1px, transparent 1px) 0 0 / 24px 24px,
    var(--rd-paper);
}

.rd-kb .key rect {
  fill: #fff;
  stroke: var(--rd-ink);
  stroke-width: 0.045;
  rx: 0.12;
  transition: fill 0.15s;
}

.rd-kb .key.is-mod rect {
  fill: #e6e5df;
}

.rd-kb .key text {
  fill: var(--rd-ink);
  font-family: var(--rd-mono-f);
  font-size: 0.34px;
  text-anchor: middle;
  dominant-baseline: central;
  pointer-events: none;
}

.rd-kb .key {
  cursor: pointer;
}

.rd-kb .key:hover rect {
  fill: #fff6c9;
}

.rd-kb .key.is-aim rect {
  fill: var(--rd-yellow);
}

.rd-kb .key.is-hit rect {
  fill: var(--rd-ink);
}

.rd-kb .key.is-hit text {
  fill: var(--rd-yellow);
}

.rd-kb .key.is-wrong rect {
  fill: var(--rd-bill);
}

.rd-kb .reach {
  fill: rgba(58, 111, 224, 0.07);
  stroke: rgba(58, 111, 224, 0.45);
  stroke-width: 0.04;
  stroke-dasharray: 0.15 0.12;
}

.rd-kb .mark {
  fill: var(--rd-ink);
  transition: opacity 3s;
}

.rd-kb .mark.miss {
  fill: var(--rd-bill);
}

.rd-kb .aim line {
  stroke: var(--rd-ink);
  stroke-width: 0.04;
}

.rd-duck .base {
  fill: var(--rd-blue);
  stroke: var(--rd-ink);
  stroke-width: 0.05;
}

.rd-duck .body {
  fill: var(--rd-yellow);
  stroke: var(--rd-ink);
  stroke-width: 0.05;
}

.rd-duck .neck {
  stroke: #8a6b2f;
  stroke-width: 0.28;
  stroke-linecap: round;
}

.rd-duck .head {
  fill: var(--rd-yellow);
  stroke: var(--rd-ink);
  stroke-width: 0.05;
}

.rd-duck .bill {
  fill: var(--rd-bill);
  stroke: var(--rd-ink);
  stroke-width: 0.04;
}

.rd-duck .eye {
  fill: var(--rd-ink);
}

.rd-neck .ground {
  stroke: var(--rd-ink);
  stroke-width: 0.06;
}

.rd-neck .keycap {
  fill: #fff;
  stroke: var(--rd-ink);
  stroke-width: 0.04;
}

.rd-neck .ped {
  fill: var(--rd-blue);
  stroke: var(--rd-ink);
  stroke-width: 0.05;
}

.rd-neck .servo {
  fill: #2a2a2a;
}

.rd-neck .link {
  stroke: #b58a3c;
  stroke-width: 0.36;
  stroke-linecap: round;
}

.rd-neck .link.thin {
  stroke: #8a6b2f;
  stroke-width: 0.2;
}

.rd-neck .joint {
  fill: var(--rd-paper);
  stroke: var(--rd-ink);
  stroke-width: 0.06;
}

.rd-neck .tip {
  fill: none;
  stroke: var(--rd-bill);
  stroke-width: 0.05;
  stroke-dasharray: 0.12 0.1;
}

.rd-servos,
.rd-readout {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1.5px solid var(--rd-ink);
}

.rd-servos div,
.rd-readout div {
  padding: 0.55rem 0.8rem;
}

.rd-servos div + div {
  border-left: 1px solid var(--rd-line);
}

.rd-servos dt,
.rd-readout dt {
  color: var(--rd-ink-3);
  font-family: var(--rd-mono-f);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.rd-servos dd,
.rd-readout dd {
  font-family: var(--rd-mono-f);
  font-size: 1.05rem;
  font-variant-numeric: tabular-nums;
}

.rd-sim__term .rd-win__body {
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 0.9rem;
  min-height: 15rem;
  font-family: var(--rd-mono-f);
  text-shadow: 0 0 8px rgba(255, 170, 40, 0.35);
}

.rd-term__buf {
  font-size: clamp(18px, 1.7vw, 26px);
  line-height: 1.3;
  word-break: break-all;
}

.rd-term__ps {
  color: var(--rd-phos-3);
}

.rd-term__text .bad {
  background: var(--rd-bill);
  color: var(--rd-crt);
  text-shadow: none;
}

.rd-term__caret {
  display: inline-block;
  width: 0.55em;
  height: 1.05em;
  margin-left: 1px;
  vertical-align: -0.15em;
  background: var(--rd-phos);
  animation: rd-blink 1s steps(1) infinite;
}

@keyframes rd-blink {
  50% {
    opacity: 0;
  }
}

.rd-term__log {
  align-self: end;
  display: grid;
  gap: 0.25rem;
  font-size: 0.8rem;
  line-height: 1.4;
  color: var(--rd-phos-2);
}

.rd-term__log .duck {
  color: var(--rd-yellow);
}

.rd-term__log .gem {
  color: #8fd0ff;
  text-shadow: 0 0 8px rgba(80, 170, 255, 0.35);
}

.rd-term__log .bad {
  color: var(--rd-bill);
}

.rd-sim__ctl {
  display: grid;
  align-content: start;
  gap: 1rem;
}

.rd-field {
  display: grid;
  gap: 0.4rem;
}

.rd-field span {
  color: var(--rd-ink-3);
  font-family: var(--rd-mono-f);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.rd-field input {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border: 1.5px solid var(--rd-ink);
  border-radius: 8px;
  background: var(--rd-paper);
  color: var(--rd-ink);
  font-family: var(--rd-mono-f);
  font-size: 1.05rem;
  box-shadow: inset 2px 2px 0 rgba(0, 0, 0, 0.06);
}

.rd-field input:focus {
  outline: 2px solid var(--rd-yellow);
  outline-offset: 1px;
}

.rd-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.rd-chips button {
  padding: 0.3em 0.75em;
  border: 1px solid var(--rd-ink-3);
  border-radius: 999px;
  background: transparent;
  font-family: var(--rd-mono-f);
  font-size: 0.75rem;
}

.rd-chips button:hover,
.rd-chips button:focus-visible {
  outline: none;
  border-color: var(--rd-ink);
  background: var(--rd-yellow);
}

.rd-sim__buttons {
  display: flex;
  gap: 0.6rem;
}

.rd-toggles {
  display: grid;
  gap: 0.35rem;
  font-family: var(--rd-mono-f);
  font-size: 0.8rem;
}

.rd-toggles label {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
}

.rd-toggles input {
  width: 1rem;
  height: 1rem;
  accent-color: var(--rd-ink);
}

.rd-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1.5px solid var(--rd-ink);
  border-radius: 8px;
  background: var(--rd-paper);
  overflow: hidden;
}

.rd-stats div {
  padding: 0.55rem 0.7rem;
  border-right: 1px solid var(--rd-line);
}

.rd-stats div:nth-child(4) {
  border-right: 0;
}

.rd-stats .wide {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-top: 1px solid var(--rd-line);
  border-right: 0;
}

.rd-stats dt {
  color: var(--rd-ink-3);
  font-family: var(--rd-mono-f);
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.rd-stats dd {
  font-family: var(--rd-mono-f);
  font-size: 1.2rem;
  font-variant-numeric: tabular-nums;
}

/* ---------------------------------------------------------------- kinematics */

.rd-ik__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 64px);
  align-items: start;
  margin-top: 3.5rem;
}

.rd-iksvg {
  touch-action: none;
  cursor: crosshair;
}

.rd-iksvg .circ {
  fill: none;
  stroke: var(--rd-blue);
  stroke-width: 0.045;
  stroke-dasharray: 0.18 0.14;
}

.rd-iksvg .circ.t {
  stroke: var(--rd-bill);
}

.rd-iksvg .link {
  stroke: var(--rd-ink);
  stroke-width: 0.26;
  stroke-linecap: round;
}

.rd-iksvg .ghost {
  stroke: var(--rd-ink-3);
  stroke-width: 0.1;
  stroke-dasharray: 0.2 0.15;
  stroke-linecap: round;
}

.rd-iksvg .coupler {
  stroke: #8a6b2f;
  stroke-width: 0.12;
}

.rd-iksvg .joint {
  fill: var(--rd-paper);
  stroke: var(--rd-ink);
  stroke-width: 0.07;
}

.rd-iksvg .pick {
  fill: var(--rd-blue);
}

.rd-iksvg .reject {
  fill: none;
  stroke: var(--rd-ink-3);
  stroke-width: 0.07;
}

.rd-iksvg .target {
  fill: var(--rd-yellow);
  stroke: var(--rd-ink);
  stroke-width: 0.08;
  cursor: grab;
}

.rd-iksvg .target-ring {
  fill: none;
  stroke: var(--rd-ink);
  stroke-width: 0.04;
  stroke-dasharray: 0.12 0.1;
}

.rd-iksvg text {
  font-family: var(--rd-mono-f);
  font-size: 0.42px;
  fill: var(--rd-ink-2);
}

.rd-iksvg .ground {
  stroke: var(--rd-ink-3);
  stroke-width: 0.04;
}

.rd-ik__steps {
  counter-reset: s;
  border-top: 1.5px solid var(--rd-ink);
}

.rd-ik__steps li {
  counter-increment: s;
  display: grid;
  grid-template-columns: 2.2rem 1fr;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--rd-line);
  color: var(--rd-ink-2);
  font-size: 0.98rem;
}

.rd-ik__steps li::before {
  content: "0" counter(s);
  grid-row: span 2;
  padding-top: 0.15em;
  color: var(--rd-bill);
  font-family: var(--rd-mono-f);
  font-size: 0.75rem;
}

.rd-ik__steps b {
  color: var(--rd-ink);
  font-weight: 600;
}

.rd-readout {
  grid-template-columns: repeat(2, 1fr);
  margin-top: 1.5rem;
  border: 1.5px solid var(--rd-ink);
  border-radius: 8px;
  background: var(--rd-paper);
  overflow: hidden;
}

.rd-readout div:nth-child(odd) {
  border-right: 1px solid var(--rd-line);
}

.rd-readout div:nth-child(n + 3) {
  border-top: 1px solid var(--rd-line);
}

/* ---------------------------------------------------------------- hardware */

.rd-hw__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(24px, 5vw, 90px);
  align-items: center;
  margin-top: 3.5rem;
}

.rd-hw__fig {
  max-width: 560px;
  justify-self: center;
  width: 100%;
}

.rd-hw__drawing {
  position: relative;
  padding: 6% 8%;
  background:
    linear-gradient(rgba(58, 111, 224, 0.1) 1px, transparent 1px) 0 0 / 20px 20px,
    linear-gradient(90deg, rgba(58, 111, 224, 0.1) 1px, transparent 1px) 0 0 / 20px 20px,
    #fff;
}

.rd-hw__inner {
  position: relative;
}

.rd-hw__drawing img {
  width: 100%;
  mix-blend-mode: multiply;
}

.rd-hot {
  position: absolute;
  left: var(--x);
  top: var(--y);
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  margin: -14px 0 0 -14px;
  padding: 0;
  border: 1.5px solid var(--rd-ink);
  border-radius: 50%;
  background: var(--rd-yellow);
  font-family: var(--rd-mono-f);
  font-size: 12px;
  font-weight: 700;
  box-shadow: 2px 2px 0 var(--rd-ink);
  transition: transform 0.2s cubic-bezier(0.3, 1.6, 0.5, 1), background 0.2s;
}

.rd-hot.is-active,
.rd-hot:hover,
.rd-hot:focus-visible {
  outline: none;
  transform: scale(1.25);
  background: var(--rd-bill);
}

.rd-parts {
  counter-reset: part;
  border-top: 1.5px solid var(--rd-ink);
}

.rd-parts li {
  counter-increment: part;
  display: grid;
  grid-template-columns: 2.2rem 1fr;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--rd-line);
  transition: opacity 0.25s;
}

.rd-parts li::before {
  content: counter(part);
  grid-row: span 2;
  display: grid;
  place-items: center;
  width: 1.55rem;
  height: 1.55rem;
  border: 1.5px solid var(--rd-ink);
  border-radius: 50%;
  font-family: var(--rd-mono-f);
  font-size: 0.72rem;
  font-weight: 700;
}

.rd-parts li.is-active::before {
  background: var(--rd-yellow);
}

.rd-parts b {
  font-weight: 600;
}

.rd-parts span {
  color: var(--rd-ink-2);
  font-size: 0.96rem;
}

.rd-hw__grid.has-active .rd-parts li:not(.is-active) {
  opacity: 0.35;
}

.rd-dof {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
  margin-top: 1.8rem;
}

.rd-dof div {
  padding: 0.8rem 0.9rem;
  border: 1.5px solid var(--rd-ink);
  border-radius: 8px;
  background: var(--rd-paper);
}

.rd-dof dt {
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.rd-dof dd {
  color: var(--rd-ink-3);
  font-family: var(--rd-mono-f);
  font-size: 0.72rem;
}

/* ---------------------------------------------------------------- system loop */

.rd-loop__diagram {
  margin-top: 3.5rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.rd-loop__diagram svg {
  display: block;
  width: 100%;
  min-width: 780px;
}

.rd-nodes rect {
  fill: #16130c;
  stroke: var(--rd-phos-3);
  stroke-width: 1.2;
  rx: 6;
  transition: fill 0.3s, stroke 0.3s;
}

.rd-nodes .is-core rect {
  stroke: var(--rd-phos-2);
}

.rd-nodes text {
  fill: var(--rd-phos);
  font-family: var(--rd-mono-f);
  font-size: 15px;
}

.rd-nodes text.s {
  fill: var(--rd-phos-2);
  font-size: 12px;
}

.rd-nodes text.l {
  font-size: 34px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.rd-nodes g {
  transition: opacity 0.3s;
}

.rd-nodes g.is-on rect {
  fill: var(--rd-yellow);
  stroke: var(--rd-yellow);
}

.rd-nodes g.is-on text {
  fill: var(--rd-crt);
}

.rd-edges path {
  fill: none;
  stroke: var(--rd-phos-3);
  stroke-width: 1.4;
  stroke-dasharray: 3 5;
  transition: stroke 0.3s, opacity 0.3s;
}

.rd-edges path.is-on {
  stroke: var(--rd-yellow);
  stroke-width: 2.2;
  animation: rd-dash 0.8s linear infinite;
}

.rd-loop marker path {
  fill: var(--rd-phos-2);
}

@keyframes rd-dash {
  to {
    stroke-dashoffset: -8;
  }
}

.rd-edge-labels text {
  fill: var(--rd-phos-2);
  font-family: var(--rd-mono-f);
  font-size: 11px;
}

.rd-loop__diagram.is-stepping .rd-nodes g:not(.is-on) {
  opacity: 0.45;
}

.rd-loop__diagram.is-stepping .rd-edges path:not(.is-on) {
  opacity: 0.35;
}

.rd-loop__steps {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2rem;
  align-items: start;
  margin-top: 2rem;
}

.rd-loop__ctl {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.rd-loop__ctl .rd-btn {
  width: 2.6rem;
  justify-content: center;
  padding: 0.6em 0;
}

.rd-loop__count {
  margin-left: 0.6rem;
  color: var(--rd-phos-2);
}

.rd-loop__list li {
  display: none;
  max-width: 60ch;
  font-size: clamp(18px, 1.5vw, 24px);
  line-height: 1.3;
  color: #ffd27a;
}

.rd-loop__list li.is-on {
  display: block;
  animation: rd-type 0.4s ease-out;
}

@keyframes rd-type {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
}

/* Without JavaScript, show every step as a list. */
.rd-loop__steps:not(.is-live) .rd-loop__list {
  counter-reset: st;
  display: grid;
  gap: 0.6rem;
}

.rd-loop__steps:not(.is-live) .rd-loop__list li {
  display: block;
  font-size: 1rem;
}

.rd-loop__steps:not(.is-live) .rd-loop__ctl {
  display: none;
}

/* ---------------------------------------------------------------- viral + reels */

/* One row: the number boxes stretch to the reels' height, so every box
   shares the same top and bottom edge. */
.rd-viral__grid {
  --gap: clamp(12px, 2vw, 28px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr);
  gap: var(--gap);
  align-items: stretch;
  margin-top: 3.5rem;
}

.rd-counters {
  display: grid;
  grid-template-rows: repeat(3, 1fr);
  gap: var(--gap);
}

.rd-counters div {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.2rem 1.4rem 1.3rem;
  border: 1.5px solid var(--rd-phos-3);
  border-radius: 8px;
  background: rgba(10, 8, 4, 0.7);
  box-shadow: 4px 4px 0 rgba(255, 194, 61, 0.18);
}

.rd-counters dt {
  color: var(--rd-phos-2);
  font-family: var(--rd-mono-f);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.rd-counters dd {
  color: var(--rd-yellow);
  font-family: var(--rd-mono-f);
  font-size: clamp(44px, 5.2vw, 88px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.05em;
  font-variant-numeric: tabular-nums;
  text-shadow: 0 0 30px rgba(255, 190, 40, 0.4);
}

.rd-counters small {
  font-size: 0.45em;
  letter-spacing: 0;
}

.rd-reels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--gap);
}

.rd-reels .rd-win {
  height: 100%;
}

.rd-reel__cap {
  flex: 1;
}

.rd-reel {
  position: relative;
  aspect-ratio: 9 / 16;
  background: #000;
  overflow: hidden;
}

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

/* Instagram's embed shows the reel inside a 4:5 box (about 1.257 × its width)
   under a 54px header. Scale the embed so that box is exactly as tall as this
   9:16 frame, centre it, and the video fills the frame edge to edge. */
.rd-reel--ig {
  container-type: inline-size;
}

.rd-reel--ig iframe {
  top: -54px;
  left: -20.7cqw;
  width: 141.4cqw;
  height: calc(54px + 177.8cqw + 400px);
}

.rd-reel__cap {
  padding: 0.7rem 0.9rem;
  border-top: 1px solid var(--rd-phos-3);
  color: var(--rd-phos-2);
}

/* ---------------------------------------------------------------- build log */

.rd-photos {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: clamp(12px, 1.6vw, 24px);
  margin-top: 3.5rem;
}

.rd-photos li:nth-child(odd) .rd-win {
  transform: rotate(-1.2deg);
}

.rd-photos li:nth-child(even) .rd-win {
  transform: rotate(1deg) translateY(10px);
}

.rd-photos .rd-win__bar {
  padding: 0.35rem 0.6rem;
}

.rd-photos img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.rd-photos p {
  margin-top: 1.4rem;
  color: var(--rd-ink-2);
  font-size: 0.92rem;
}

.rd-photos p b {
  display: block;
  color: var(--rd-ink);
  font-weight: 600;
}

.rd-notes {
  counter-reset: n;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 2rem;
  margin-top: 5rem;
}

.rd-notes li {
  counter-increment: n;
  padding-top: 1rem;
  border-top: 1.5px solid var(--rd-ink);
}

.rd-notes li::before {
  content: "0" counter(n);
  display: block;
  margin-bottom: 1.2rem;
  color: var(--rd-bill);
  font-family: var(--rd-mono-f);
  font-size: 0.75rem;
}

.rd-notes b {
  display: block;
  margin-bottom: 0.5rem;
  font-size: clamp(18px, 1.4vw, 22px);
  font-weight: 560;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.rd-notes span {
  color: var(--rd-ink-2);
  font-size: 0.95rem;
}

/* ---------------------------------------------------------------- crew + studio */

.rd-ids {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: clamp(10px, 1.5vw, 20px);
  margin-top: 3.5rem;
}

.rd-id {
  display: grid;
  align-content: start;
  gap: 0.35rem;
  padding: 0.9rem 0.9rem 1.1rem;
  border: 1.5px solid var(--rd-phos-3);
  border-radius: 10px;
  background: rgba(10, 8, 4, 0.75);
}

.rd-id__no {
  color: var(--rd-phos-3);
  text-transform: uppercase;
}

.rd-id__mono {
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  margin: 0.4rem 0 0.6rem;
  border-radius: 6px;
  background:
    repeating-linear-gradient(0deg, rgba(0, 0, 0, 0.12) 0 2px, transparent 2px 4px),
    var(--rd-yellow);
  color: var(--rd-crt);
  font-family: var(--rd-mono-f);
  font-size: clamp(30px, 3.6vw, 60px);
  font-weight: 700;
  letter-spacing: -0.06em;
}

.rd-id.is-me .rd-id__mono {
  background:
    repeating-linear-gradient(0deg, rgba(0, 0, 0, 0.12) 0 2px, transparent 2px 4px),
    var(--rd-bill);
}

.rd-id b {
  color: #ffd27a;
  font-weight: 600;
}

.rd-id__role {
  color: var(--rd-phos-2);
  font-family: var(--rd-mono-f);
  font-size: 0.75rem;
}

.rd-id__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 0.8rem;
  margin-top: 0.5rem;
  font-family: var(--rd-mono-f);
  font-size: 0.75rem;
}

.rd-id__links a {
  color: var(--rd-phos);
  text-decoration: none;
  border-bottom: 1px solid var(--rd-phos-3);
}

.rd-id__links a:hover {
  border-color: var(--rd-phos);
}

.rd-id__here {
  color: var(--rd-bill);
}

.rd-studio {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr) minmax(0, 1.1fr);
  gap: clamp(20px, 3vw, 48px);
  align-items: center;
  margin-top: clamp(80px, 12vh, 140px);
  padding-top: clamp(40px, 6vh, 64px);
  border-top: 1px solid var(--rd-phos-3);
}

.rd-studio__badge {
  padding: clamp(18px, 2.5vw, 36px);
  border: 1.5px solid var(--rd-phos-3);
  border-radius: 10px;
  background: #000;
}

.rd-studio__badge svg {
  display: block;
  width: 100%;
}

.rd-studio__badge rect {
  fill: #fff;
}

.rd-studio__badge text {
  fill: #fff;
  font-family: var(--rd-sans);
  font-size: 58px;
  font-weight: 450;
  letter-spacing: -0.01em;
}

.rd-kicker--inline {
  margin-bottom: 1rem;
}

.rd-studio h3 {
  color: #ffd27a;
  font-size: clamp(22px, 2.2vw, 34px);
  font-weight: 520;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.rd-studio__copy > p:not(.rd-kicker) {
  margin-top: 1rem;
  color: var(--rd-phos-2);
  font-size: 0.98rem;
}

.rd-studio__list {
  display: grid;
  gap: 0.25rem;
  margin: 1.2rem 0 1.5rem;
  color: var(--rd-phos-2);
}

.rd-studio__list li::before {
  content: "▸ ";
  color: var(--rd-bill);
}

/* ---------------------------------------------------------------- specs */

.rd-specs__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 90px);
  margin-top: 3.5rem;
}

.rd-spec {
  border-top: 1.5px solid var(--rd-ink);
}

.rd-spec div {
  grid-template-columns: 8rem 1fr;
}

.rd-spec dd {
  font-size: 0.98rem;
}

.rd-badge {
  display: grid;
  gap: 0.2rem;
  margin-top: 2rem;
  padding: 1.1rem 1.3rem;
  border: 1.5px solid var(--rd-ink);
  border-radius: 10px;
  background: var(--rd-yellow);
  text-decoration: none;
  box-shadow: 4px 4px 0 var(--rd-ink);
  transition: transform 0.12s, box-shadow 0.12s;
}

.rd-badge:hover {
  transform: translate(-1px, -1px);
  box-shadow: 5px 5px 0 var(--rd-ink);
}

.rd-badge b {
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

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

@media (max-width: 1100px) {
  .rd-ids {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .rd-notes {
    grid-template-columns: repeat(3, 1fr);
  }

  .rd-studio {
    grid-template-columns: 1fr 1fr;
  }

  .rd-studio__shot {
    grid-column: 1 / -1;
  }
}

@media (max-width: 860px) {
  .rd-viral__grid,
  .rd-hero__grid,
  .rd-brief__cols,
  .rd-ik__grid,
  .rd-hw__grid,
  .rd-specs__grid {
    grid-template-columns: 1fr;
  }

  .rd-sim {
    grid-template-columns: 1fr;
    grid-template-areas:
      "top"
      "side"
      "ctl"
      "term";
  }

  .rd-photos {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .rd-counters {
    grid-template-rows: none;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .rd-loop__steps {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

@media (max-width: 560px) {
  .rd-counters,
  .rd-reels,
  .rd-studio {
    grid-template-columns: 1fr;
  }

  .rd-reels {
    max-width: 340px;
    margin-inline: auto;
  }

  .rd-ids,
  .rd-photos,
  .rd-notes {
    grid-template-columns: 1fr 1fr;
  }

  .rd-dof {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .rd-facts div,
  .rd-spec div {
    grid-template-columns: 5.5rem 1fr;
  }
}

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