/* Learning layer: interactive lesson blocks (b-), audio player (a-), mock exams (e-), the pass
   guarantee (g-) and the public previews of all four. Loaded after experience.css and built on
   the same two site colours. No inline styles: sizes that depend on data (pin positions, needle
   angles, bar widths) are set by the scripts through CSS custom properties or the CSSOM. */

/* Lesson blocks */
.b-stack{display:grid;grid-template-columns:minmax(0,1fr);gap:22px;margin-top:32px}
.b-stack:empty{display:none}
.b-block,.b-body,.b-sim>*{min-width:0}
.b-block{position:relative;padding:clamp(20px,2.6vw,30px);background:var(--white);border:1px solid var(--line);border-radius:20px;box-shadow:0 30px 50px -44px rgb(0 0 0/.5)}
.b-block.b-text{padding:0;background:none;border:0;box-shadow:none}
.b-block.is-complete{border-color:var(--green)}
.b-kind{display:inline-flex;align-items:center;gap:8px;margin-bottom:12px;padding:5px 11px;border-radius:99px;background:var(--x-tint);color:var(--green);font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.b-kind::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--orange)}
.b-block.is-complete .b-kind::after{content:"✓";margin-left:2px}
.b-title{font-size:clamp(20px,2vw,25px);font-weight:600;letter-spacing:-.02em;line-height:1.25;margin-bottom:10px}
.b-body p{font-size:15px;line-height:1.7}
.b-body p+p{margin-top:10px}
.b-prompt{color:var(--ink);font-size:16px!important;font-weight:500}
.b-status{margin-top:16px;font-size:14px!important;min-height:1.7em}
.b-status strong{color:var(--green)}
.b-top{display:flex;align-items:flex-start;justify-content:space-between;gap:14px}
.b-top .b-prompt{flex:1;min-width:0}
.b-restart{flex:none;min-height:36px;padding:6px 12px;border:1.5px solid var(--line);border-radius:999px;background:var(--white);color:var(--ink);font-size:13px;font-weight:600;white-space:nowrap;cursor:pointer;transition:border-color .16s,background .16s}
.b-restart:hover{border-color:var(--ink)}
.b-restart[hidden]{display:none}
.b-status.is-right,.b-status.is-wrong{display:flex;align-items:center;flex-wrap:wrap;gap:4px 8px;padding:12px 16px;border-radius:10px;border-left:5px solid;font-size:16px!important;line-height:1.4;color:var(--ink)}
.b-status.is-right{border-color:var(--go,var(--green));background:color-mix(in srgb,var(--go,var(--green)) 16%,#fff)}
.b-status.is-wrong{border-color:#b1432b;background:#fcece4}
.b-status.is-right::before,.b-status.is-wrong::before{flex:none;display:grid;place-items:center;width:24px;height:24px;border-radius:50%;color:#fff;font-size:14px;font-weight:700}
.b-status.is-right::before{content:"✓";background:#17803f}
.b-status.is-wrong::before{content:"✕";background:#b1432b}
.b-status.is-right strong{color:#135f31}.b-status.is-wrong strong{color:#8f2f1a}
.b-status.is-in{animation:b-verdict .45s var(--x-ease,ease-out)}
.b-status.is-wrong.is-in{animation:b-verdict .45s var(--x-ease,ease-out),x-shake .35s}
@keyframes b-verdict{from{opacity:.2;transform:scale(.97)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.b-status.is-in,.b-status.is-wrong.is-in{animation:none}}
.b-status .text-button,.b-ask .text-button{margin:0 0 0 8px;font-size:13px}
.b-chip{display:block;width:100%;text-align:left;padding:13px 15px;border:1.5px solid var(--line);border-radius:13px;background:var(--white);color:var(--ink);font-size:15px;line-height:1.4;transition:transform .16s var(--x-ease),border-color .16s,background .16s,box-shadow .16s}
.b-chip:hover:not(:disabled){transform:translateY(-2px);border-color:var(--ink);box-shadow:0 12px 22px -16px rgb(0 0 0/.55)}
.b-chip.is-picked{border-color:var(--orange);background:color-mix(in srgb,var(--orange) 12%,#fff);box-shadow:0 0 0 3px color-mix(in srgb,var(--orange) 25%,transparent)}
.b-chip.is-done{border-color:var(--green);background:var(--x-tint);color:var(--green);cursor:default}
.b-chip.is-wrong,.b-pin.is-wrong,.b-action.is-wrong{animation:x-shake .35s}
.b-chip.is-wrong{border-color:#b1432b;background:#fcece4}
.b-order{display:grid;gap:8px;margin:16px 0 0;padding:0;list-style:none;counter-reset:step}
.b-order:empty{display:none}
.b-order li{counter-increment:step;display:flex;gap:12px;align-items:center;padding:11px 14px;border-radius:12px;background:var(--x-tint);font-size:15px;color:var(--ink);animation:x-rise .35s var(--x-ease)}
.b-order li::before{content:counter(step);flex:none;display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--green);color:#fff;font-size:12px;font-weight:700}
.b-pool{display:grid;gap:8px;margin-top:14px}
.b-body>.b-match{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px;margin-top:16px}
.b-col{display:grid;gap:8px;align-content:start}
.b-ask{margin-top:10px;padding:11px 14px;border-radius:12px;background:var(--x-tint);color:var(--ink);font-size:15px!important}
.b-ask em{margin-left:8px;font-size:12px;font-style:normal;color:var(--muted)}
.b-diagram{position:relative;margin-top:14px;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fafaf6}
.b-diagram img{display:block;width:100%;height:auto}
.b-pin{position:absolute;left:var(--x);top:var(--y);transform:translate(-50%,-50%);display:flex;align-items:center;gap:6px;padding:0;border:0;background:none;color:var(--ink)}
.b-pin i{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--white);border:2px solid var(--ink);font-size:12px;font-style:normal;font-weight:700;box-shadow:0 6px 14px -6px rgb(0 0 0/.6);transition:transform .16s var(--x-ease),background .16s}
.b-pin:hover i{transform:scale(1.12)}
.b-pin.is-found i{background:var(--green);border-color:var(--green);color:#fff}
.b-pin span{position:absolute;left:50%;top:calc(100% + 4px);z-index:2;transform:translateX(-50%);padding:3px 8px;border-radius:7px;background:var(--ink);color:#fff;font-size:11px;font-weight:600;white-space:nowrap;pointer-events:none}
.b-pin.is-low span{top:auto;bottom:calc(100% + 4px)}
.b-pin.is-start span{left:0;transform:none}
.b-pin.is-end span{left:auto;right:0;transform:none}
.b-note{margin-top:12px;padding:12px 14px;border-left:3px solid var(--green);background:var(--x-tint);font-size:14px!important}
.b-note strong{color:var(--ink);margin-right:4px}
.b-card{position:relative;display:grid;align-content:center;justify-items:center;gap:14px;width:100%;min-height:210px;padding:30px 26px;border:1.5px solid var(--line);border-radius:18px;background:var(--x-tint);color:var(--ink);text-align:center;transition:background .25s,border-color .25s,transform .3s var(--x-ease)}
.b-card:hover{transform:translateY(-2px)}
.b-card.is-flipped{background:var(--white);border-color:var(--green)}
.b-card-side{font-size:11px;font-weight:700;letter-spacing:.1em;color:var(--muted)}
.b-card.is-flipped .b-card-side{color:var(--green)}
.b-card-text{font-size:clamp(18px,2vw,23px);font-weight:500;letter-spacing:-.015em;line-height:1.4;white-space:pre-line}
.b-card-hint{font-size:12px;color:var(--muted)}
.b-card-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}
.b-card-actions[hidden]{display:none}
.b-card-actions .button{justify-content:center;padding:14px}

/* Simulator */
.b-rail{display:flex;gap:6px;margin:14px 0 18px;padding:0;list-style:none;overflow-x:auto}
.b-rail li{flex:1 0 96px;display:flex;align-items:center;gap:8px;padding:9px 11px;border-radius:11px;background:#f1f1ea;font-size:12px;line-height:1.3;color:var(--muted)}
.b-rail b{flex:none;display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--line);color:var(--ink);font-size:11px}
.b-rail .is-now{background:var(--ink);color:#fff}
.b-rail .is-now b{background:var(--orange)}
.b-rail .is-done{background:var(--x-tint);color:var(--green)}
.b-rail .is-done b{background:var(--green);color:#fff}
.b-rail .is-locked{background:repeating-linear-gradient(135deg,#f1f1ea,#f1f1ea 6px,#e8e8de 6px,#e8e8de 12px)}
.b-rail .is-locked b{background:none;color:transparent;-webkit-mask:var(--b-lock) center/14px no-repeat;mask:var(--b-lock) center/14px no-repeat;background-color:var(--muted)}
:root{--b-lock:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M17 9V7A5 5 0 0 0 7 7v2H5v12h14V9zm-6 8.7V19h2v-1.3a2 2 0 1 0-2 0M9 9V7a3 3 0 0 1 6 0v2z'/%3E%3C/svg%3E")}
.b-sim{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(18px,2.6vw,30px);align-items:start}
.b-panel{display:grid;grid-template-columns:repeat(auto-fit,minmax(132px,1fr));gap:12px;padding:16px;border-radius:18px;background:linear-gradient(160deg,#1d211d,#0d100d);box-shadow:inset 0 1px 0 rgb(255 255 255/.1)}
.b-gauge{margin:0;padding:10px 8px 12px;border-radius:14px;background:rgb(255 255 255/.05);text-align:center;color:#fff}
.b-gauge svg{display:block;width:100%;max-width:190px;margin:0 auto}
.b-arc,.b-arc-value{fill:none;stroke-width:7;stroke-linecap:round}
.b-arc{stroke:rgb(255 255 255/.14)}
.b-arc-value{stroke:var(--orange);stroke-dasharray:100;stroke-dashoffset:var(--share,100);transition:stroke-dashoffset 1.4s var(--x-ease)}
.b-gauge text{fill:rgb(255 255 255/.55);font-size:7px;text-anchor:middle}
.b-needle{transform-origin:60px 62px;transform:rotate(var(--angle,-110deg));transition:transform 1.4s var(--x-ease)}
.b-needle line{stroke:#fff;stroke-width:2.4;stroke-linecap:round}
.b-needle circle{fill:#fff}
.b-gauge figcaption strong{display:block;font-size:13px;font-weight:500;color:rgb(255 255 255/.7)}
.b-read{margin-right:3px;font-size:26px;font-weight:600;letter-spacing:-.03em;color:#fff;font-variant-numeric:tabular-nums}
.b-gauge figcaption>span{display:block;margin-top:2px;font-size:11px;color:rgb(255 255 255/.62)}
.b-step-label{font-size:10px;font-weight:700;letter-spacing:.1em;color:var(--muted)}
.b-instruction{margin-top:8px;color:var(--ink);font-size:17px!important;font-weight:500;line-height:1.5!important}
.b-actions{display:grid;gap:8px;margin-top:16px}
.b-action{width:100%;text-align:left;padding:13px 15px;border:1.5px solid var(--line);border-radius:13px;background:var(--white);color:var(--ink);font-size:15px;line-height:1.4;transition:transform .16s var(--x-ease),border-color .16s,background .16s}
.b-action:hover:not(:disabled){transform:translateY(-2px);border-color:var(--ink)}
.b-action:disabled{opacity:.55}
.b-action.is-right{opacity:1;border-color:var(--green);background:var(--x-tint)}
.b-action.is-wrong{border-color:#b1432b;background:#fcece4}
.b-feedback{margin-top:14px;padding:14px 16px;border-radius:13px;font-size:14px;line-height:1.65;animation:x-rise .35s var(--x-ease)}
.b-feedback[hidden]{display:none}
.b-feedback.is-right{background:var(--x-tint);border-left:3px solid var(--green);color:var(--ink)}
.b-feedback.is-retry{background:#faf2e6;border-left:3px solid #bb6325;color:#6b3d18}
.b-feedback p{color:inherit}
.b-feedback .button{margin-top:12px;padding:12px 18px;font-size:13px}
.b-lock{padding:22px;border-radius:16px;background:linear-gradient(155deg,var(--x-deep),var(--x-deeper));color:#fff;animation:x-rise .4s var(--x-ease)}
.b-lock h4{margin:10px 0 0;font-size:20px;font-weight:600;letter-spacing:-.02em;line-height:1.25}
.b-lock p{margin-top:8px;color:rgb(255 255 255/.78);font-size:14px}
.b-lock .button{margin-top:16px;padding:14px 18px;font-size:13px}
.b-lock.is-done{background:var(--x-tint);color:var(--ink)}
.b-lock.is-done p{color:var(--muted)}
.b-lock-icon{display:block;width:26px;height:26px;background:var(--orange);-webkit-mask:var(--b-lock) center/contain no-repeat;mask:var(--b-lock) center/contain no-repeat}

/* Audio player */
.a-player{display:grid;grid-template-columns:auto minmax(0,1fr);gap:14px 16px;align-items:center;padding:14px 16px;border:1px solid var(--line);border-radius:16px;background:var(--white)}
.a-play{display:grid;place-items:center;width:48px;height:48px;border:0;border-radius:50%;background:var(--orange);transition:transform .16s var(--x-ease),background .16s}
.a-play:hover{transform:scale(1.06);background:var(--orange-hover)}
.a-play span{width:0;height:0;margin-left:4px;border-style:solid;border-width:9px 0 9px 15px;border-color:transparent transparent transparent var(--ink)}
.is-playing .a-play span{width:14px;height:16px;margin-left:0;border-width:0 5px;border-color:var(--ink);border-style:solid}
.a-title{display:flex;flex-wrap:wrap;justify-content:space-between;gap:4px 12px;font-size:14px}
.a-title strong{font-weight:600;color:var(--ink)}
.a-title em{font-size:12px;font-style:normal;color:var(--muted)}
.a-seek{display:block;width:100%;height:44px;margin:-6px 0 -10px;accent-color:var(--orange)}
.a-meta{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
.a-speed{min-height:44px;margin-left:6px;padding:3px 6px;border:1px solid var(--line);border-radius:7px;background:var(--white);font-size:12px}
.a-note{grid-column:1/-1;padding:11px 14px;border-radius:11px;background:var(--x-tint);font-size:13px;color:var(--ink)}
.a-note[hidden]{display:none}
.study-audio{margin:28px 44px 0;max-width:942px}
.study-audio[hidden]{display:none}
.lesson-transcript{margin-top:26px;padding:14px 18px;border:1px solid var(--line);border-radius:12px;background:var(--white)}
.lesson-transcript summary{cursor:pointer;font-size:14px;font-weight:600}
.lesson-transcript p{margin-top:12px;font-size:15px;line-height:1.8;max-width:74ch}
.quiz-image{display:block;max-width:min(100%,420px);height:auto;margin-bottom:20px;border:1px solid var(--line);border-radius:12px;background:#fff}

.source-quote{margin:16px 0 0;padding:12px 16px;border-left:3px solid var(--orange);border-radius:0 10px 10px 0;background:rgb(255 255 255/.7);font-size:14px;line-height:1.6;color:var(--ink)}
.source-quote span{display:block;margin-bottom:4px;font-size:10px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--muted)}

/* Mock exams */
.e-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:18px;margin-top:28px}
.e-card{display:flex;flex-direction:column;gap:14px;padding:24px;border:1px solid var(--line);border-radius:18px;background:var(--white);transition:transform .25s var(--x-ease),box-shadow .25s}
.e-card:hover{transform:translateY(-3px);box-shadow:0 30px 50px -36px rgb(0 0 0/.5)}
.e-card h2{font-size:22px;font-weight:600;letter-spacing:-.02em;line-height:1.2}
.e-card .button{margin-top:auto;justify-content:space-between;padding:15px 18px}
.e-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:0}
.e-facts div{padding:10px 8px;border-radius:11px;background:var(--x-tint);text-align:center}
.e-facts dt{font-size:10px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.e-facts dd{margin:3px 0 0;font-size:18px;font-weight:600;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.e-last{font-size:13px}
.e-track{display:grid;gap:7px;font-size:13px;color:var(--ink)}
.e-track i,.g-row i{display:block;height:7px;overflow:hidden;border-radius:99px;background:var(--line)}
.e-track b,.g-row b{display:block;width:0;height:100%;border-radius:inherit;background:var(--orange);transition:width .9s var(--x-ease)}
.e-track.is-met b,.g-row.is-met b{background:var(--green)}
.e-heading{margin-top:40px;font-size:22px;font-weight:600;letter-spacing:-.02em}
.e-history{display:grid;gap:8px;margin-top:16px}
.e-history button{display:grid;grid-template-columns:minmax(0,1.4fr) auto 56px auto;gap:14px;align-items:center;padding:13px 16px;border:1px solid var(--line);border-radius:12px;background:var(--white);color:var(--ink);font-size:14px;text-align:left;transition:border-color .16s}
.e-history button:hover{border-color:var(--ink)}
.e-history span:nth-child(2){font-size:12px;color:var(--muted)}
.e-history strong{font-variant-numeric:tabular-nums;text-align:right}
.e-history em{padding:4px 10px;border-radius:99px;font-size:11px;font-style:normal;font-weight:700}
.e-history small{grid-column:1/-1;font-size:11px;color:#925222}
.is-pass{background:var(--x-tint);color:var(--green)}
.is-fail{background:#fcece4;color:#b1432b}
.e-result{background:none}
.e-result h1{margin-bottom:8px}
.e-result .x-ring-label strong{font-size:36px}
.e-result.is-fail .x-ring-value{stroke:#b1432b}
.e-saved,.e-short{margin-top:10px;font-size:13px}
.e-short{color:#925222}
.e-saved.is-ok{color:var(--green)}
.e-saved.is-pending{color:#925222}
.e-saved .text-button{margin:0 0 0 6px;font-size:13px}
.mock-question-nav button.flagged{box-shadow:inset 0 -4px 0 var(--orange)}
.button.is-flagged{border-color:var(--orange);background:color-mix(in srgb,var(--orange) 12%,#fff)}
.e-ready{display:grid;gap:5px;margin-top:18px;padding:14px;border-radius:12px;background:rgb(255 255 255/.6);font-size:11px;color:var(--muted)}
.e-ready:empty{display:none}
.e-ready>span{font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.e-ready strong{font-size:30px;font-weight:600;letter-spacing:-.04em;line-height:1;color:var(--ink)}
.e-ready-track{position:relative;height:7px;margin-top:4px;border-radius:99px;background:var(--line)}
.e-ready-track b{display:block;width:0;height:100%;border-radius:inherit;background:var(--green);transition:width .9s var(--x-ease)}
.e-ready-track i{position:absolute;top:-4px;width:2px;height:15px;background:var(--ink)}
.region-box{display:grid;gap:6px;margin-top:16px;font-size:11px;color:var(--muted)}
.region-box:empty{display:none}
.region-box label{font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.region-box select{width:100%;padding:9px 10px;border:1px solid var(--line);border-radius:8px;background:var(--white);font-size:13px}

/* Guarantee */
.g-steps{display:grid;gap:12px;margin:26px 0 0;padding:0;list-style:none;max-width:720px}
.g-steps li{display:flex;gap:16px;align-items:flex-start;padding:18px 20px;border:1px solid var(--line);border-radius:16px;background:var(--white)}
.g-steps b{flex:none;display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--green);color:#fff;font-size:14px}
.g-steps strong{display:block;font-size:17px;font-weight:600;letter-spacing:-.01em;color:var(--ink)}
.g-steps span{display:block;margin-top:4px;font-size:14px;line-height:1.6;color:var(--muted)}
.g-record{display:grid;gap:10px;margin-top:16px;max-width:720px}
.g-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px 16px;align-items:center;padding:15px 18px;border:1px solid var(--line);border-radius:14px;background:var(--white)}
.g-row strong{display:block;font-size:15px;font-weight:600}
.g-row span{font-size:12px;color:var(--muted)}
.g-row em{font-size:13px;font-style:normal;font-weight:600;font-variant-numeric:tabular-nums}
.g-row i{grid-column:1/-1}
.g-row.is-met em{color:var(--green)}

/* Public pages: try it, listen, tests, guarantee */
.x-try,.x-tests,.x-guarantee{padding-block:clamp(64px,8vw,112px)}
.x-try-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(240px,.5fr);gap:clamp(20px,3vw,40px);align-items:start}
.x-try .b-stack{margin-top:0}
.x-audio-band{background:var(--ink);color:#fff;padding-block:clamp(64px,8vw,112px)}
.x-audio-band h2{color:#fff}
.x-audio-band .section-label{color:rgb(255 255 255/.55)}
.x-audio-band .x-section-head p{color:rgb(255 255 255/.72)}
.x-audio-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(20px,3vw,44px);align-items:start}
.x-audio-list{display:grid;gap:8px}
.x-audio-list button{display:grid;grid-template-columns:34px minmax(0,1fr) auto;gap:14px;align-items:center;width:100%;padding:13px 16px;border:1px solid rgb(255 255 255/.14);border-radius:14px;background:rgb(255 255 255/.04);color:#fff;font-size:15px;text-align:left;transition:background .16s,border-color .16s}
.x-audio-list button:hover{background:rgb(255 255 255/.1)}
.x-audio-list button[aria-pressed="true"]{border-color:var(--orange);background:rgb(255 255 255/.1)}
.x-audio-list i{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--orange);color:var(--ink);font-size:12px;font-style:normal}
.x-audio-list .is-locked i{background:rgb(255 255 255/.14);color:transparent;-webkit-mask:var(--b-lock) center/16px no-repeat;mask:var(--b-lock) center/16px no-repeat;background-color:rgb(255 255 255/.7)}
.x-audio-list em{font-size:12px;font-style:normal;color:rgb(255 255 255/.62);font-variant-numeric:tabular-nums;white-space:nowrap}
.x-audio-list em b{margin-left:8px;padding:3px 8px;border-radius:99px;background:var(--orange);color:var(--ink);font-size:11px}
.x-audio-now{position:sticky;top:110px}
.x-audio-now .a-player{border:0;box-shadow:var(--x-shadow)}
.x-audio-now>p{margin-top:14px;font-size:13px;color:rgb(255 255 255/.62)}
.x-state{display:flex;flex-wrap:wrap;gap:12px 18px;align-items:center;margin-top:28px;padding:18px 22px;border-radius:16px;background:var(--x-tint)}
.x-state label{font-size:15px;font-weight:600;color:var(--ink)}
.x-state select{min-height:44px;padding:11px 14px;border:1px solid var(--line);border-radius:10px;background:var(--white);font-size:15px}
.x-state output{font-size:14px;color:var(--muted)}
.x-mock-note{margin-top:18px;max-width:80ch;font-size:14px}
.x-guarantee{background:var(--x-tint)}
.x-guarantee-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(28px,5vw,72px);align-items:start}
.x-guarantee h2{text-wrap:balance}
.x-guarantee-copy p{margin-top:18px;font-size:17px;max-width:46ch}
.x-seal{display:inline-flex;align-items:center;gap:10px;margin-bottom:22px;padding:8px 14px 8px 8px;border-radius:99px;background:var(--green);color:#fff;font-size:13px;font-weight:600}
.x-seal::before{content:"";width:26px;height:26px;border-radius:50%;background:var(--orange) center/14px no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 6.5 5 9l4.5-5.5' fill='none' stroke='%23191c19' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}
.x-guarantee .g-steps{margin-top:0}
.x-guarantee .g-steps li{transition:transform .25s var(--x-ease),box-shadow .25s}
.x-guarantee .g-steps li:hover{transform:translateX(4px);box-shadow:0 22px 40px -32px rgb(0 0 0/.5)}
.x-promise{display:flex;gap:12px;align-items:flex-start;margin:0 0 18px;padding:14px 16px;border-radius:14px;background:var(--x-tint);font-size:13px;line-height:1.5;color:var(--ink)}
.x-promise::before{content:"";flex:none;width:22px;height:22px;border-radius:50%;background:var(--green) center/12px no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 6.5 5 9l4.5-5.5' fill='none' stroke='white' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")}
.x-promise a{font-weight:600;white-space:nowrap}
.x-costs{display:grid;gap:0;margin-top:26px;border-top:1px solid rgb(255 255 255/.16)}
.x-costs div{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px 16px;padding:13px 0;border-bottom:1px solid rgb(255 255 255/.16);font-size:15px;color:#fff}
.x-costs strong{font-variant-numeric:tabular-nums}
.x-costs small{grid-column:1/-1;font-size:11px;color:rgb(255 255 255/.5)}
.x-costs .is-ours{color:var(--orange)}

.x-hero-promise{margin:18px 0 0;font-size:14px;line-height:1.5}
.x-hero-promise a{display:inline-flex;gap:8px;align-items:baseline;padding:9px 14px;border-radius:12px;background:rgb(255 255 255/.1);border:1px solid rgb(255 255 255/.22);color:#fff;text-decoration:none}
.x-hero-promise a:hover{background:rgb(255 255 255/.16)}
.x-hero-promise strong{color:var(--orange)}
.x-objections{padding-block:clamp(56px,7vw,96px)}
.x-objection-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.x-objection{padding:24px;border:1px solid var(--line);border-radius:18px;background:var(--white)}
.x-objection:first-child{grid-column:1/-1;background:var(--x-tint);border-color:transparent}
.x-objection:first-child p{font-size:18px;color:var(--ink);max-width:70ch}
.x-objection h3{font-size:18px;font-weight:600;letter-spacing:-.01em;margin-bottom:8px}
.x-objection p{font-size:15px;line-height:1.65}

/* Free practice: clock, locked topics and the report form */
.x-clock{display:block;margin-top:14px;font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
.x-pace{margin-block:4px 18px;padding:13px 16px;border-radius:12px;background:var(--x-tint);font-size:14px;color:var(--ink)}
.x-weak{display:grid;gap:8px;margin:0 0 22px;padding:0;list-style:none}
.x-weak li{display:grid;grid-template-columns:18px minmax(0,1fr) auto;gap:12px;align-items:center;padding:12px 14px;border:1px solid var(--line);border-radius:12px;font-size:14px;color:var(--ink)}
.x-weak li::before{content:"";width:16px;height:16px;background:var(--muted);-webkit-mask:var(--b-lock) center/contain no-repeat;mask:var(--b-lock) center/contain no-repeat}
.x-weak em{font-size:12px;font-style:normal;color:var(--muted)}
.x-report{margin-top:26px;padding:22px;border-radius:16px;background:var(--x-tint)}
.x-report h3{font-size:19px;font-weight:600;letter-spacing:-.02em}
.x-report>p{margin-top:6px;font-size:14px}
.x-report-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;margin-top:14px}
.x-report input[type="email"]{min-width:0;padding:14px 16px;border:1.5px solid var(--line);border-radius:12px;background:var(--white);font-size:15px}
.x-report .button{padding:14px 18px;font-size:13px}
.x-check{display:flex;gap:10px;align-items:center;min-height:44px;margin-top:8px;font-size:13px;line-height:1.5;color:var(--muted)}
.x-check input{flex:none;width:20px;height:20px;margin:0;accent-color:var(--green)}
.x-report-status{min-height:1.5em;margin-top:10px;font-size:13px!important}
.x-report-status.is-ok{color:var(--green);font-weight:600}
.x-report-status.is-error{color:#b1432b}

@media(max-width:980px){
  .b-sim,.x-try-grid,.x-audio-grid,.x-guarantee-grid{grid-template-columns:minmax(0,1fr)}
  .x-audio-now{position:static;order:-1}
}
@media(max-width:820px){
  .study-modes.is-five{grid-template-columns:repeat(5,minmax(0,1fr))}
  .study-audio{margin:20px 20px 0}
  .e-ready,.region-box{margin-top:10px}
}
@media(max-width:640px){
  .b-body>.b-match{gap:8px}
  .b-chip{padding:11px 12px;font-size:14px}
  .b-pin i{width:26px;height:26px;font-size:11px}
  .b-rail li{flex-basis:84px}
  .e-history button{grid-template-columns:minmax(0,1fr) 52px auto}
  .e-history span:nth-child(2){display:none}
  .x-report-row{grid-template-columns:minmax(0,1fr)}
  .x-report .button{justify-content:center}
  .a-player{padding:12px}
}
@media(prefers-reduced-motion:reduce){
  .b-needle,.b-arc-value,.e-track b,.g-row b,.e-ready-track b{transition:none}
  .b-chip,.b-pin,.b-action,.b-feedback,.b-lock,.b-order li{animation:none!important}
}
/* The offer in short, straight after the first screen: price, what it buys{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:18px 34px;align-items:center;margin-top:-34px;margin-bottom:34px;padding:22px 28px;position:relative;z-index:2;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 18px 40px rgb(25 28 25/.1)}
#buy{scroll-margin-top:92px}.x-ask{margin-top:6px}

/* A running mock keeps its clock in view. */
.quiz-meta:has(#mock-timer){position:sticky;top:0;z-index:6;margin-inline:-12px;padding:10px 12px;background:var(--white);border-bottom:1px solid var(--line);border-radius:0 0 12px 12px}
/* A long course: the landing page lists the first ten lessons and folds the rest. */
.x-more-lessons{margin-top:14px}.x-more-lessons>summary{display:inline-flex;align-items:center;gap:10px;min-height:44px;padding:0 18px;border:1px solid var(--line);border-radius:999px;background:var(--white);font-weight:600;font-size:14px;cursor:pointer;list-style:none}.x-more-lessons>summary::-webkit-details-marker{display:none}.x-more-lessons[open]>summary{margin-bottom:14px}
/* One-line messages after a cancelled checkout and after a purchase. */
.x-flash{background:var(--pale-green);border-bottom:1px solid var(--line);color:var(--ink);font-size:15px;line-height:1.5}.x-flash .section-wrap{padding-block:13px}.x-flash.is-ok{background:var(--green);color:#fff;border-bottom:0}.x-flash.is-ok a{color:#fff}

/* The offer under a free-sample result: price, the guarantee in one sentence, one button. */
.x-result-buy{display:grid;gap:12px;margin:22px 0 20px;padding:20px 22px;border:1px solid var(--line);border-radius:var(--radius);background:var(--white)}
.x-result-price{display:flex;align-items:baseline;gap:10px}.x-result-price strong{font-size:30px;line-height:1;letter-spacing:-.02em}.x-result-price span{font-size:12px;color:var(--muted)}
.x-result-buy p{font-size:14px;line-height:1.55}.x-result-promise a{text-decoration:underline;text-underline-offset:3px}.x-result-buy .button{min-height:48px;width:100%;justify-content:center}
/* The sticky buy bar must not cover the footer links at the end of the landing page. */
.home-page .site-footer{padding-bottom:112px}
/* A buy button that posts to the checkout sits in its row like the link it replaces. */
.x-buy-form{display:contents}.site-header nav button.nav-try{display:inline-flex;align-items:center;gap:.3em;min-height:44px;font:inherit;cursor:pointer;white-space:nowrap}
/* The first screen after paying: what was bought, how to come back, where to start. */
.x-welcome{background:var(--green);color:#fff}.x-welcome .section-wrap{padding-block:26px;display:grid;gap:14px}
.x-welcome h2{font-size:clamp(22px,3vw,30px);line-height:1.15;color:#fff}.x-welcome ul{list-style:none;margin:0;padding:0;display:grid;gap:8px;font-size:15px;line-height:1.5;max-width:74ch}
.x-welcome a{color:#fff}.x-welcome-actions{display:flex;flex-wrap:wrap;gap:10px}.x-welcome-actions .button{min-height:46px}
/* Lessons of a course with several tests: one group per test, listed top to bottom on every screen. */
.lesson-nav.is-grouped{display:grid;gap:6px;overflow:visible;padding-bottom:0}
.lesson-group{border:1px solid var(--line);border-radius:10px;background:var(--white)}
.lesson-group>summary{display:flex;justify-content:space-between;align-items:center;gap:10px;min-height:44px;padding:0 12px;font-size:13px;font-weight:600;cursor:pointer;list-style:none}
.lesson-group>summary::-webkit-details-marker{display:none}.lesson-group>summary em{font-style:normal;font-weight:400;font-size:12px;color:var(--muted)}
.lesson-group[open]>summary{border-bottom:1px solid var(--line)}
.lesson-nav.is-grouped button{flex:none;width:100%;min-height:44px;padding:8px 12px;font-size:13px;line-height:1.4;align-items:center}
.lesson-nav.is-grouped button>span:first-child{width:22px;font-size:12px}
/* No text below 12px. Labels that were set smaller for a desktop layout are raised here, last, for every width. */
body .section-label,body .eyebrow,body .test-banner,body .quiz-meta,body .quiz-meta span,body .b-step-label,body .b-kind,
body .b-pin i,body .b-stage li b,body .b-gauge figcaption span,body .e-facts dt,body .x-region-index span,
body .site-footer p,body .site-footer a,body .site-footer span,body .site-header nav a,body .site-header nav a span,
body .site-header nav button.nav-try,body .site-header nav button.nav-try span,body .practice-progress span,body .sound-toggle,
body .text-button,body .quiz-option>span:first-child,body .study-modes button,body .study-modes button span,
body .study-toolbar span,body .e-ready span,body .e-ready small,body .schedule-row strong,body .study-selects label,
body .timer small,body .mock-question-nav button,body .lesson-nav button,body .lesson-nav button>span:first-child{font-size:12px}
@media(max-width:820px){body .study-modes,body .study-modes.is-five{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}.study-modes button{min-height:44px}
  .mock-question-nav button{width:36px;height:36px}}
body .site-header nav>a:not(.nav-try),body .site-header nav>a.nav-try,body .study-modes button>span:first-child,
body .study-modes button>span,body .practice-intro .eyebrow,body .practice-sidebar .section-label,
body .practice-sidebar .text-button,body .study-device-note .text-button,body .price-top .eyebrow,body .hero .eyebrow,
body .final-cta .eyebrow,body .b-stages li b,body li.is-now>b,body li.is-locked>b,body .b-card-side{font-size:12px}

/* The working cab (blocks.js airBrakeCheck): gauges that move with the truck, three controls, a call after each test. */
.b-gauge.is-live .b-needle,.b-gauge.is-live .b-arc-value{transition:none}
.b-cab .b-dash{display:grid;gap:10px;padding:14px;border-radius:20px;background:linear-gradient(160deg,#1d211d,#0d100d);box-shadow:inset 0 1px 0 rgb(255 255 255/.1)}
.b-cab .b-panel{grid-template-columns:1fr 1fr;gap:8px;padding:0;background:none;box-shadow:none}
.b-cab.is-running .b-engine i{animation:b-idle .5s ease-in-out infinite}
.b-lamps{display:flex;align-items:center;gap:8px}
.b-lamp{padding:6px 10px;border-radius:8px;background:rgb(255 255 255/.07);font-size:11px;font-weight:700;letter-spacing:.08em;color:rgb(255 255 255/.35)}
.b-lamp.is-engine.is-on{background:#1f7a3d;color:#fff}
.b-lamp[data-lamp="warn"].is-on{background:#e02a1a;color:#fff;animation:b-flash .5s steps(2) infinite;box-shadow:0 0 18px #e02a1a}
.b-clock{margin-left:auto;padding:4px 10px;border-radius:8px;background:#000;font-size:18px;font-weight:700;font-variant-numeric:tabular-nums;color:#ffd24a}
.b-clock[hidden]{display:none}
.b-controls{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.b-ctl{display:grid;justify-items:center;gap:6px;padding:12px 4px 10px;border:1.5px solid rgb(255 255 255/.16);border-radius:14px;background:rgb(255 255 255/.06);color:#fff;font-size:12px;line-height:1.25;touch-action:manipulation;-webkit-user-select:none;user-select:none;transition:transform .1s,background .15s}
.b-ctl:active{transform:scale(.96)}
.b-ctl span{display:grid;gap:2px;text-align:center;color:rgb(255 255 255/.7)}
.b-ctl b{font-size:13px;letter-spacing:.04em;color:#fff}
.b-ctl i{display:block;width:44px;height:44px;border-radius:50%;transition:transform .18s cubic-bezier(.3,1.6,.5,1),background .15s,box-shadow .15s}
.b-engine i{background:#3a3f3a;border:3px solid #6d736d}
.b-engine[aria-pressed="true"] i{background:#1f7a3d;border-color:#7bd597;box-shadow:0 0 16px rgb(31 122 61/.8)}
.b-knob i{border-radius:9px;background:#f2c200;border:3px solid #8a6d00;transform:rotate(45deg) scale(.82)}
.b-knob[aria-pressed="true"] i{transform:rotate(45deg) scale(1.02);box-shadow:0 8px 0 -2px #8a6d00,0 0 0 4px rgb(242 194 0/.25)}
.b-knob.is-popped i{animation:b-pop .9s cubic-bezier(.3,1.8,.5,1)}
.b-pedal i{width:52px;height:44px;border-radius:9px 9px 14px 14px;background:repeating-linear-gradient(0deg,#555b55,#555b55 5px,#3a3f3a 5px,#3a3f3a 9px);border:2px solid #8b918b;transform-origin:50% 0}
.b-pedal.is-down{background:rgb(255 255 255/.16)}
.b-pedal.is-down i{transform:perspective(120px) rotateX(38deg) scaleY(.82);box-shadow:inset 0 0 0 100px rgb(255 122 89/.25)}
.b-hint{min-height:2.9em;margin-top:8px;padding-left:12px;border-left:3px solid var(--orange);font-size:14.5px!important;line-height:1.45!important;color:var(--ink)}
.b-hint:empty{border-color:transparent}
.b-reading{margin-top:6px;font-size:21px!important;font-weight:700;line-height:1.25!important;color:var(--ink);animation:x-rise .35s var(--x-ease)}
.b-call{margin-top:6px;font-size:15px!important;color:var(--muted)}
.b-calls{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}
.b-callbtn{padding:15px 10px;border:2px solid;border-radius:14px;background:var(--white);font-size:15px;font-weight:700}
.b-callbtn.is-pass{border-color:#1f7a3d;color:#1f7a3d}.b-callbtn.is-fail{border-color:#b1432b;color:#b1432b}
.b-callbtn:hover{transform:translateY(-2px)}
.b-lock.is-failed{background:linear-gradient(155deg,#5d1a10,#2f0d08)}
.b-lock ul{margin:10px 0 0;padding-left:20px;font-size:14px;line-height:1.5}
.b-lock .b-again{margin-right:8px}
@keyframes b-idle{50%{box-shadow:0 0 26px rgb(31 122 61/.95)}}
@keyframes b-flash{50%{opacity:.35}}
@keyframes b-pop{0%{transform:rotate(45deg) scale(.82)}35%{transform:rotate(45deg) scale(1.5);box-shadow:0 0 0 14px rgb(242 194 0/.5)}100%{transform:rotate(45deg) scale(1.02)}}
/* Find it: what to check is the event, not a footnote. */
.b-note{margin-top:14px;padding:16px 18px;border-left:0;border-radius:16px;background:var(--ink);color:#fff;font-size:16px!important;box-shadow:0 14px 30px -14px rgb(0 0 0/.5)}
.b-note.is-in{animation:b-note-in .45s cubic-bezier(.2,1.3,.4,1)}
.b-note-kicker{display:block;font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--orange)}
.b-note strong{display:block;margin:2px 0 8px;font-size:22px;line-height:1.2;color:#fff}
.b-note p{font-size:18px!important;line-height:1.45!important;color:#fff;animation:b-tick .5s .2s ease-out both}
.b-pin.is-shown i{animation:b-ping 1.2s ease-out 2}
@keyframes b-note-in{from{opacity:0;transform:translateY(14px) scale(.97)}to{opacity:1;transform:none}}
@keyframes b-tick{from{opacity:0;transform:translateX(-8px)}to{opacity:1;transform:none}}
@keyframes b-ping{0%{box-shadow:0 0 0 0 rgb(31 122 61/.8)}100%{box-shadow:0 0 0 18px rgb(31 122 61/0)}}
@media (max-width:760px){.b-cab .b-gauge svg{max-width:120px}.b-cab .b-read{font-size:22px}}
@media (prefers-reduced-motion:reduce){
.b-cab.is-running .b-engine i,.b-lamp[data-lamp="warn"].is-on,.b-knob.is-popped i,.b-note.is-in,.b-pin.is-shown i{animation:none}.b-note p{animation:none}}

/* The simulator as the hero: the card is the cab. On a phone it follows the headline directly. */
.x-hero-sim .b-block{margin:0;padding:0;border:0;background:none;box-shadow:none}
.x-hero-sim .b-kind,.x-hero-sim .b-title{display:none}
.x-hero-sim .b-sim{grid-template-columns:minmax(0,1fr);gap:14px}
.x-hero-sim .b-rail{margin:0 0 10px}
.x-hero-sim .b-rail li{flex:1 0 34px;justify-content:center;padding:6px}
.x-hero-sim .b-rail li span{display:none}
.x-hero-sim .b-rail li.is-now{flex:1 0 auto}
.x-hero-sim .b-rail li.is-now span{display:inline}
@media (max-width:760px){
  .home-page .x-hero-copy:has(+.x-glow .x-hero-film){display:contents}
  .home-page .x-hero-grid:has(.x-hero-film){gap:14px}
  .home-page .x-hero-grid:has(.x-hero-film) .x-eyebrow{display:none}
  .home-page .x-hero-grid:has(.x-hero-film) h1{order:1;font-size:31px;line-height:1.02;margin:0}
  .home-page .x-hero-grid:has(.x-hero-film) .x-glow{order:2}
  .home-page .x-hero-grid:has(.x-hero-film) .x-hero-sub{order:3}
  .home-page .x-hero-grid:has(.x-hero-film) .hero-actions{order:4}
  .home-page .x-hero-grid:has(.x-hero-film) .x-hero-promise{order:5}
  .home-page .x-hero-grid:has(.x-hero-film) .x-trust{order:6}
  .home-page .x-hero:has(.x-hero-film){padding-top:14px}
  .x-hero-sim{padding:12px}
  .x-hero-sim .x-demo-bar{margin-bottom:8px}
}

/* The cab speaks: next step in three words, the loss in large figures, the verdict stamped across the gauges. */
.b-cue{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:34px}
.b-cue [data-cue]{font-size:19px;font-weight:800;letter-spacing:.02em;text-transform:uppercase;color:#ffd24a}
.b-sound{padding:5px 10px;border:1px solid rgb(255 255 255/.25);border-radius:99px;background:none;font-size:12px;color:rgb(255 255 255/.75)}
.b-sound[aria-pressed="true"]{background:#fff;color:#111}
.b-ctl.is-next{border-color:#ffd24a;background:rgb(255 210 74/.14);animation:b-next 1s ease-in-out infinite}
.b-cab .b-panel{position:relative}
.b-meter{display:flex;align-items:baseline;justify-content:space-between;gap:10px;padding:8px 14px;border-radius:12px;background:#000}
.b-meter[hidden],.b-stamp[hidden]{display:none}
.b-meter strong{font-size:34px;font-weight:800;line-height:1;font-variant-numeric:tabular-nums;color:#fff}
.b-meter span{font-size:13px;color:rgb(255 255 255/.7);text-align:right}
.b-meter.is-bad strong{color:#ff4a36;animation:b-flash .5s steps(2) infinite}
.b-meter.is-bad span{color:#ff9d92}
.b-score{font-size:12px;font-weight:700;color:rgb(255 255 255/.8)}
.b-stamp{position:absolute;left:50%;top:50%;z-index:2;padding:8px 18px;border:4px solid;border-radius:10px;font-size:26px;font-weight:900;letter-spacing:.06em;white-space:nowrap;transform:translate(-50%,-50%) rotate(-9deg);animation:b-stamp .45s cubic-bezier(.2,1.6,.4,1)}
.b-stamp.is-fail{border-color:#ff4a36;background:rgb(60 8 4/.92);color:#ff4a36}
.b-stamp.is-pass{border-color:#59d687;background:rgb(6 40 20/.92);color:#59d687}
.b-cab.is-wrongcall .b-dash{animation:b-alarm .9s ease-out}
.b-cab.is-rightcall .b-dash{animation:b-ok .9s ease-out}
.b-lock .button.primary{display:flex;width:100%;justify-content:space-between;margin-bottom:10px}
@keyframes b-next{50%{box-shadow:0 0 0 8px rgb(255 210 74/.35);background:rgb(255 210 74/.3)}}
@keyframes b-stamp{from{opacity:0;transform:translate(-50%,-50%) rotate(-9deg) scale(2.4)}to{opacity:1;transform:translate(-50%,-50%) rotate(-9deg) scale(1)}}
@keyframes b-alarm{0%,40%{box-shadow:0 0 0 4px #ff4a36,0 0 40px #ff4a36}20%,60%{box-shadow:none}100%{box-shadow:none}}
@keyframes b-ok{0%{box-shadow:0 0 0 4px #59d687,0 0 34px #59d687}100%{box-shadow:none}}
@media (max-width:760px){
  .home-page .x-hero-grid:has(.x-hero-film) .x-hero-promise{order:2;margin:0}
  .home-page .x-hero-grid:has(.x-hero-film) .x-glow{order:3}
  .home-page .x-hero-grid:has(.x-hero-film) .x-hero-sub{order:4}
  .home-page .x-hero-grid:has(.x-hero-film) .hero-actions{order:5}
}
@media (prefers-reduced-motion:reduce){.b-ctl.is-next,.b-meter.is-bad strong,.b-stamp,.b-cab.is-wrongcall .b-dash,.b-cab.is-rightcall .b-dash{animation:none}}

/* Find it, in views: a drawing large enough to look at, pins a thumb apart. */
.b-views{display:flex;gap:6px;margin-top:12px}
.b-views button{flex:1;padding:9px 10px;border:1.5px solid var(--line);border-radius:10px;background:var(--white);font-size:13px;font-weight:700;color:var(--muted)}
.b-views button[aria-selected="true"]{border-color:var(--ink);background:var(--ink);color:#fff}
.b-diagram img[hidden],.b-pin[hidden]{display:none}
.b-diagram.is-turned img{animation:b-turn .5s cubic-bezier(.2,.9,.3,1)}
.b-pin i{width:34px;height:34px;font-size:13px}
.b-pin:not(.is-found) i{animation:b-wait 2.4s ease-in-out infinite}
@keyframes b-turn{from{opacity:0;transform:translateX(26px)}to{opacity:1;transform:none}}
@keyframes b-wait{50%{box-shadow:0 0 0 6px rgb(255 170 0/.28)}}
@media (max-width:760px){.b-pin i{width:32px;height:32px;font-size:12px}}
@media (prefers-reduced-motion:reduce){.b-diagram.is-turned img,.b-pin:not(.is-found) i{animation:none}}

/* The film in the hero, the cab just below it. */
.x-hero-film{border-radius:12px;overflow:hidden;background:#0c0f12;box-shadow:0 24px 60px rgba(0,0,0,.5)}
.x-hero-film video{display:block;width:100%;aspect-ratio:16/9;object-fit:cover}
.x-hero-film.is-portrait video{aspect-ratio:4/5}
@media (max-width:760px){.x-hero-film{max-width:330px;margin:0 auto}}
.x-cab{padding-top:clamp(28px,5vw,56px);padding-bottom:clamp(20px,3vw,36px)}
.x-cab .x-hero-sim{max-width:760px;margin:0 auto}
.film-frame{position:relative}
.film-play{position:absolute;inset:0;display:grid;place-items:center;width:100%;border:0;background:rgba(12,15,18,.3);cursor:pointer}
.film-play[hidden],.film-sound[hidden]{display:none}
.film-play span{display:block;width:76px;height:76px;border-radius:50%;background:#ffb800 center/30px no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%2314181c'%3E%3Cpath d='M8 5v14l11-7z'/%3E%3C/svg%3E");box-shadow:0 10px 30px rgba(0,0,0,.4)}
.film-sound{position:absolute;right:12px;top:12px;z-index:2;padding:11px 16px 11px 40px;border:0;border-radius:6px;background:#ffb800 14px center/20px no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%2314181c'%3E%3Cpath d='M3 9v6h4l5 5V4L7 9H3zm13.5 3a4.5 4.5 0 0 0-2.5-4v8a4.5 4.5 0 0 0 2.5-4z'/%3E%3C/svg%3E");font-size:15px;font-weight:700;color:#14181c;box-shadow:0 8px 22px rgba(0,0,0,.4);cursor:pointer}
@media (max-width:760px){.home-page .x-hero-grid:has(.x-hero-film) .x-hero-sub{display:none}.x-hero-film{max-width:310px}}

/* Home page, shortened (8 October 2026): one list of mock exams, lessons and recordings in one section. */
.x-test-table{width:100%;max-width:760px;border-collapse:collapse;font-size:15px;background:var(--white);border:1px solid var(--line);border-radius:6px;overflow:hidden}
.x-test-table th,.x-test-table td{padding:12px 14px;text-align:right;border-top:1px solid var(--line);font-variant-numeric:tabular-nums}
.x-test-table thead th{border-top:0;font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.x-test-table th:first-child{text-align:left}
.x-test-table tbody th{font-weight:600;color:var(--ink)}
.x-try-more{margin:18px 0 0;font-size:15px}.x-try-more a{font-weight:600;text-decoration:underline;text-underline-offset:3px}
.x-audio-row{display:grid;grid-template-columns:34px minmax(0,1fr) auto;gap:14px;align-items:center;padding:13px 16px;border:1px solid rgb(255 255 255/.14);border-radius:6px;color:#fff;font-size:15px}
.x-audio-list .x-audio-row i{width:34px;height:34px;border-radius:50%;background:rgb(255 255 255/.12)}
.x-audio-row em{font-size:12px;font-style:normal;color:rgb(255 255 255/.62);white-space:nowrap}
.x-audio-band .x-more-lessons{margin-top:22px}
.x-audio-band .x-more-lessons>summary{color:var(--ink)}.x-audio-band .x-lesson summary,.x-audio-band .x-lesson-title{color:#fff}
.x-audio-band .x-lessons,.x-audio-band .x-lesson{border-color:rgb(255 255 255/.16)}
.x-audio-band .x-lesson-num,.x-audio-band .x-lesson-meta,.x-audio-band .x-lesson-body p,.x-audio-band .x-lesson-body .small-copy{color:rgb(255 255 255/.66)}
.x-audio-band .x-lesson-body a{color:#fff;text-decoration:underline}
.x-differences{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px;margin:0;padding:0}
.x-differences li{padding:16px 18px;border-left:3px solid var(--go,var(--green));background:var(--x-tint);border-radius:0 6px 6px 0;font-size:16px;line-height:1.45;color:var(--ink)}
.x-guarantee .g-steps{gap:8px}.x-guarantee .g-steps li{padding:13px 16px;align-items:center}.x-guarantee .g-steps strong{font-size:15px;font-weight:500;line-height:1.45}
@media(max-width:560px){.x-test-table th,.x-test-table td{padding:9px 6px}.x-test-table{font-size:14px}.x-test-table thead th{font-size:9.5px;letter-spacing:.02em}.x-test-table th:first-child{padding-left:12px}.x-test-table td:last-child,.x-test-table th:last-child{padding-right:12px}}
@media(min-width:900px){.x-tests{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);column-gap:clamp(28px,5vw,72px);align-items:start}.x-tests>.x-section-head{grid-row:1/span 3;margin-bottom:0}.x-tests>:not(.x-section-head){grid-column:2}.x-tests .x-mock-note{margin-top:14px}}
.b-match .b-chip.is-done{position:relative;padding-right:40px;border-color:#17803f;background:color-mix(in srgb,var(--go,#17803f) 16%,#fff);color:#135f31;opacity:1}
.b-match .b-chip.is-done::after{content:"✓";position:absolute;right:13px;top:50%;transform:translateY(-50%);display:grid;place-items:center;width:20px;height:20px;border-radius:50%;background:#17803f;color:#fff;font-size:12px;font-weight:700}