.experience-page {
  --experience-bg: #08080a;
  --experience-panel: #0d0e12;
  --experience-raised: #12141a;
  --experience-line: rgba(255,255,255,.09);
  --experience-ink: #f4f4f6;
  --experience-muted: #a1a4ae;
  --experience-dim: #707582;
  --experience-amber: #f59e0b;
  color: var(--experience-ink);
  background:
    linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px),
    var(--experience-bg);
  background-size: 48px 48px;
}

.experience-page .experience-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(8,8,10,.88);
  backdrop-filter: blur(16px) saturate(130%);
}

.experience-shell {
  width: min(1180px, calc(100% - 56px));
  margin: 0 auto;
  padding: 62px 0 84px;
}

.experience-hero {
  display: grid;
  grid-template-columns: minmax(250px,.72fr) minmax(0,1.28fr);
  gap: clamp(28px,5vw,70px);
  align-items: center;
  min-height: 590px;
}

.experience-kicker,
.walkthrough-head,
.scene-label,
.scene-origin,
.walkthrough-step-label,
.experience-directory a>span {
  color: var(--experience-dim);
  font: 500 12px/1.5 "Geist Mono", "JetBrains Mono", ui-monospace, monospace;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.experience-kicker { display: flex; align-items: center; gap: 9px; margin: 0 0 18px; }
.experience-kicker>span { width: 6px; height: 6px; border-radius: 50%; background: var(--experience-amber); }
.experience-intro h1 { max-width: 560px; margin: 0; font-size: clamp(42px,5.5vw,70px); line-height: .99; letter-spacing: -.065em; text-wrap: balance; }
.experience-intro h1 span { color: #aeb1ba; }
.experience-lede { max-width: 440px; margin: 22px 0 0; color: var(--experience-muted); font-size: 16px; line-height: 1.7; }
.experience-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 26px; }
.experience-primary,.experience-secondary,.experience-endcap-actions>a:last-child {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 0 14px;
  border: 1px solid var(--experience-line);
  border-radius: 6px;
  color: var(--experience-ink);
  background: var(--experience-raised);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: transform .18s ease, border-color .18s ease, background-color .18s ease, color .18s ease;
}
.experience-primary { border-color: var(--experience-ink); color: var(--experience-bg); background: var(--experience-ink); }
.experience-primary:hover { transform: translateY(-1px); border-color: #fff; background: #fff; }
.experience-primary span { color: #6b4c12; font: 12px "Geist Mono", ui-monospace, monospace; }
.experience-secondary:hover,.experience-endcap-actions>a:last-child:hover { transform: translateY(-1px); border-color: rgba(255,255,255,.2); background: #17191f; }
.experience-fact { display: flex; align-items: center; gap: 8px; margin: 24px 0 0; color: var(--experience-dim); font-size: 12px; }
.experience-fact strong { color: #d7d8dc; font: 500 12px "Geist Mono", ui-monospace, monospace; }
.experience-fact i { width: 3px; height: 3px; border-radius: 50%; background: var(--experience-dim); }

.walkthrough {
  min-width: 0;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--experience-line);
  border-radius: 8px;
  background: rgba(13,14,18,.91);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.09), 0 24px 60px rgba(0,0,0,.32);
}
.walkthrough-head { display: flex; justify-content: space-between; gap: 12px; padding: 13px 16px; border-bottom: 1px solid var(--experience-line); }
.walkthrough-head span:last-child { color: var(--experience-amber); font-variant-numeric: tabular-nums; }
.walkthrough-scene {
  position: relative;
  min-height: 362px;
  overflow: hidden;
  perspective: 1100px;
  isolation: isolate;
  background:
    radial-gradient(ellipse at 53% 46%, rgba(255,255,255,.05), transparent 58%),
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px),
    #0a0b0e;
  background-size: auto, 32px 32px, 32px 32px, auto;
}
.walkthrough-scene::before { position: absolute; inset: 11% 8%; z-index: -1; border: 1px solid rgba(255,255,255,.055); content: ""; transform: rotateX(56deg) rotateZ(-24deg) scale(1.02); transform-style: preserve-3d; }
.scene-connectors { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.scene-connectors path { fill: none; stroke: rgba(255,255,255,.19); stroke-width: 1.25; stroke-dasharray: 4 6; transition: stroke .3s ease, stroke-width .3s ease; }
.scene-connectors path.is-active { stroke: var(--experience-amber); stroke-width: 1.8; }
.scene-card {
  position: absolute;
  z-index: 1;
  display: grid;
  gap: 8px;
  width: 29%;
  min-height: 96px;
  padding: 12px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 6px;
  background: rgba(16,17,21,.93);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08), 0 12px 28px rgba(0,0,0,.3);
  opacity: .67;
  transform: translateZ(0) rotateX(4deg) rotateY(-4deg);
  transform-style: preserve-3d;
  transition: transform .42s cubic-bezier(.2,.75,.25,1), opacity .3s ease, border-color .3s ease, background-color .3s ease;
}
.scene-card.is-active { z-index: 2; border-color: rgba(245,158,11,.54); background: #121318; opacity: 1; transform: translateZ(28px) rotateX(0) rotateY(0); }
.scene-card>b { color: var(--experience-ink); font-size: 12px; letter-spacing: -.02em; }
.scene-label { color: #777c88; font-size: 12px; }
.scene-path { top: 18%; left: 3%; }
.scene-lesson { top: 9%; left: 38%; }
.scene-run { top: 51%; left: 31%; width: 34%; }
.scene-check { top: 24%; right: 3%; }
.scene-progress { right: 12%; bottom: 5%; width: 33%; }
.scene-row { display: flex; align-items: center; gap: 7px; min-width: 0; color: #a9acb5; font-size: 12px; }
.scene-row>i { display: grid; width: 18px; height: 18px; flex: none; place-items: center; border: 1px solid var(--experience-line); border-radius: 3px; color: #c4c6cd; font: 12px "Geist Mono", ui-monospace, monospace; font-style: normal; }
.scene-row>small { margin-left: auto; color: var(--experience-amber); font: 12px "Geist Mono", ui-monospace, monospace; }
.scene-row.is-selected { color: #f0f0f2; }
.scene-row.is-selected>i { border-color: rgba(245,158,11,.42); color: var(--experience-amber); }
.scene-code { display: block; overflow: hidden; padding: 8px 7px; border: 1px solid rgba(255,255,255,.09); border-radius: 4px; color: #d8d9dd; background: #090a0c; font: 12px/1.55 "Geist Mono", "JetBrains Mono", ui-monospace, monospace; text-overflow: ellipsis; white-space: nowrap; }
.scene-code>i { margin-right: 7px; color: #555b66; font-style: normal; }
.scene-code>em { color: #d9b776; font-style: normal; }
.scene-explain,.scene-progress-copy { color: #858995; font-size: 12px; }
.scene-result { display: flex; align-items: center; gap: 7px; color: #c4c6cd; font: 12px "Geist Mono", ui-monospace, monospace; }
.scene-result>i { width: 5px; height: 5px; border-radius: 50%; background: #10b981; }
.scene-answer { padding: 6px 7px; border: 1px solid rgba(255,255,255,.11); border-radius: 4px; color: #d7d8dc; font-size: 12px; line-height: 1.4; }
.scene-answer::before { display: inline-block; width: 5px; height: 5px; margin: 0 6px 1px 0; border-radius: 50%; background: #10b981; content: ""; }
.scene-answer-muted { color: #777c88; }
.scene-answer-muted::before { background: #535864; }
.scene-progress-track { display: flex; gap: 3px; }
.scene-progress-track>i { display: block; width: 22px; height: 2px; background: #454953; }
.scene-origin { position: absolute; right: 13px; bottom: 11px; z-index: 0; color: #555a64; font-size: 12px; }

.walkthrough-caption { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 14px; align-items: center; padding: 17px 17px 13px; border-top: 1px solid var(--experience-line); }
.walkthrough-step-label { margin: 0 0 5px; color: var(--experience-amber); font-size: 12px; }
.walkthrough-copy h2 { margin: 0; font-size: 18px; letter-spacing: -.04em; }
.walkthrough-copy>p:last-child { max-width: 450px; margin: 5px 0 0; color: var(--experience-muted); font-size: 12px; line-height: 1.55; }
.walkthrough-controls { display: flex; gap: 5px; align-items: center; }
.walkthrough-controls button { min-height: 34px; padding: 0 9px; border: 1px solid var(--experience-line); border-radius: 4px; color: #d5d6db; background: #111318; font-size: 12px; transition: border-color .16s ease, background-color .16s ease, color .16s ease; }
.walkthrough-controls button:hover:not(:disabled) { border-color: rgba(245,158,11,.45); color: var(--experience-ink); background: #17181d; }
.walkthrough-controls button:disabled { opacity: .42; }
.walkthrough-controls #walkthroughPlay { min-width: 112px; color: var(--experience-bg); background: var(--experience-ink); border-color: var(--experience-ink); font-weight: 650; }
.walkthrough-controls #walkthroughPlay:hover { color: #000; background: #fff; }
.walkthrough-footer { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 10px 17px 13px; }
.walkthrough-footer>p { margin: 0; color: var(--experience-dim); font: 12px/1.5 "Geist Mono", ui-monospace, monospace; }
.walkthrough-progress { display: flex; flex: none; gap: 4px; }
.walkthrough-progress i { display: block; width: 16px; height: 2px; background: #343740; }
.walkthrough-progress i[aria-current="step"] { background: var(--experience-amber); }

.experience-section { display: grid; grid-template-columns: minmax(220px,.65fr) minmax(0,1.35fr); gap: clamp(25px,5vw,74px); padding: 54px 0; border-top: 1px solid var(--experience-line); }
.experience-section-heading h2 { max-width: 400px; margin: 0; font-size: clamp(27px,3.2vw,40px); line-height: 1.07; letter-spacing: -.05em; text-wrap: balance; }
.experience-section-heading>p:last-child { max-width: 360px; margin: 12px 0 0; color: var(--experience-muted); font-size: 13px; line-height: 1.65; }
.lesson-loop { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--experience-line); }
.lesson-loop li { display: grid; grid-template-columns: 34px minmax(0,1fr); gap: 11px; min-height: 111px; padding: 17px 15px 15px 0; border-bottom: 1px solid var(--experience-line); }
.lesson-loop li:nth-child(odd) { border-right: 1px solid var(--experience-line); }
.lesson-loop li:nth-child(even) { padding-left: 15px; }
.lesson-loop li>span { color: var(--experience-amber); font: 12px "Geist Mono", ui-monospace, monospace; }
.lesson-loop h3 { margin: 0 0 4px; font-size: 14px; letter-spacing: -.02em; }
.lesson-loop p { margin: 0; color: var(--experience-muted); font-size: 12px; line-height: 1.6; }
.experience-tools { padding-top: 50px; }
.experience-directory { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); border-top: 1px solid var(--experience-line); }
.experience-directory a { position: relative; display: block; min-height: 130px; padding: 16px 36px 16px 0; border-bottom: 1px solid var(--experience-line); color: inherit; text-decoration: none; transition: background-color .16s ease; }
.experience-directory a:nth-child(even) { padding-left: 16px; border-left: 1px solid var(--experience-line); }
.experience-directory a:hover { background: rgba(255,255,255,.018); }
.experience-directory a>span { display: block; margin-bottom: 11px; font-size: 12px; }
.experience-directory a>b { display: block; font-size: 15px; letter-spacing: -.025em; }
.experience-directory a>p { max-width: 340px; margin: 5px 0 0; color: var(--experience-muted); font-size: 12px; line-height: 1.6; }
.experience-directory a>i { position: absolute; top: 15px; right: 12px; color: var(--experience-amber); font: 12px "Geist Mono", ui-monospace, monospace; font-style: normal; }
.experience-endcap { display: flex; justify-content: space-between; gap: 20px; align-items: center; margin-top: 14px; padding: 24px 0 0; border-top: 1px solid var(--experience-line); }
.experience-endcap .experience-kicker { margin-bottom: 8px; }
.experience-endcap h2 { margin: 0; font-size: clamp(23px,3vw,32px); letter-spacing: -.05em; }
.experience-endcap>div:first-child>p:last-child { margin: 7px 0 0; color: var(--experience-muted); font-size: 12px; }
.experience-endcap-actions { display: grid; gap: 7px; justify-items: start; }
.experience-endcap-actions>a:last-child { min-height: 32px; padding: 0; border: 0; color: var(--experience-muted); background: none; font-size: 12px; }
.experience-page .experience-footer { width: min(1180px, calc(100% - 56px)); margin: 0 auto; }

.experience-page :is(a,button):focus-visible { outline: 2px solid var(--experience-amber); outline-offset: 3px; }
@media(max-width:960px) {
  .experience-shell { width: min(100% - 36px,760px); padding-top: 42px; }
  .experience-hero { grid-template-columns: 1fr; gap: 34px; min-height: 0; }
  .experience-intro { max-width: 680px; }
  .experience-section { grid-template-columns: 1fr; gap: 22px; padding: 42px 0; }
  .experience-section-heading h2 { max-width: 560px; }
}
@media(max-width:680px) {
  .experience-page .experience-nav { padding-inline: 14px; }
  .experience-page .experience-nav nav { gap: 10px; }
  .experience-page .experience-nav nav a { font-size: 12px; }
  .experience-shell { width: min(100% - 28px,560px); padding: 32px 0 54px; }
  .experience-intro h1 { font-size: clamp(41px,11vw,58px); }
  .experience-lede { font-size: 14px; }
  .walkthrough-scene { min-height: 368px; }
  .scene-card { gap: 6px; width: 43%; min-height: 91px; padding: 9px; }
  .scene-path { top: 8%; left: 2%; }
  .scene-lesson { top: 8%; right: 2%; left: auto; }
  .scene-run { top: 39%; left: 2%; width: 45%; }
  .scene-check { top: 39%; right: 2%; width: 45%; }
  .scene-progress { right: 20%; bottom: 4%; width: 60%; min-height: 80px; }
  .scene-row:not(.is-selected) { display: none; }
  .scene-origin { font-size: 12px; }
  .walkthrough-caption { grid-template-columns: 1fr; padding: 14px 13px 11px; }
  .walkthrough-controls { justify-content: flex-end; }
  .walkthrough-footer { padding-inline: 13px; }
  .walkthrough-footer>p { max-width: 74%; font-size: 12px; }
  .experience-section { padding: 34px 0; }
  .lesson-loop { grid-template-columns: 1fr; }
  .lesson-loop li,.lesson-loop li:nth-child(even) { padding: 14px 0; border-right: 0; }
  .lesson-loop li:nth-child(odd) { border-right: 0; }
  .experience-directory { grid-template-columns: 1fr; }
  .experience-directory a:nth-child(even) { padding-left: 0; border-left: 0; }
  .experience-directory a { min-height: 112px; }
  .experience-endcap { align-items: flex-start; flex-direction: column; padding-top: 20px; }
  .experience-page .experience-footer { width: min(100% - 28px,560px); }
}
@media(prefers-reduced-motion:reduce) {
  .experience-page *, .experience-page *::before, .experience-page *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .scene-card,.scene-connectors path { transition: none; }
}