/* Roster: /hiring-challenges. Page layer on top of brand.css + site.css + sections/challenges.css (the feed).
   Light page for employers, same hierarchy as the dark ai-labs page: eyebrow, Fraunces headline with one
   colored italic word, short paragraph on the right, then a designed module. Hand-written CSS (no Tailwind). */

:root {
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --grad-word: linear-gradient(100deg, #E8502C 0%, #FF7A4F 32%, #E0739B 66%, #9C7BE0 100%);
  --shadow-ui: 0 1px 0 rgba(255,255,255,.8) inset, 0 24px 48px -28px rgba(20,18,16,.35), 0 2px 6px -2px rgba(20,18,16,.08);
  --moss-ink: #3F7A2A;
}
*, *::before, *::after { box-sizing: border-box; }
html { background: var(--paper); }
body { margin: 0; }
:where(h1, h2, h3, h4, p, ul, ol, dl, dd, figure, blockquote) { margin: 0; }
:where(ul, ol) { padding: 0; }
:where(button, input) { font: inherit; color: inherit; }
img, svg { display: block; }
.btn svg, .dotlink svg { display: inline-block; }
body { overflow-x: clip; }
.wrap { max-width: 1280px; margin: 0 auto; padding-left: 16px; padding-right: 16px; }
@media (min-width: 640px) { .wrap { padding-left: 28px; padding-right: 28px; } }
section { scroll-margin-top: 90px; }
img { max-width: 100%; }
.hc-mono, .mono { font-family: var(--font-mono); font-feature-settings: "zero" 0; letter-spacing: 0; }
:where(a, button, input, [tabindex]):focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; border-radius: 10px; }
.btn:focus-visible { border-radius: 999px; }

.display em { background: var(--grad-word); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: var(--ember);
  padding: .02em .1em .18em .03em; margin: 0 -.1em -.18em -.03em; -webkit-box-decoration-break: clone; box-decoration-break: clone; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; }
/* R8: the eyebrow dot is retired (brand.css hides .pip) */
.h2 { font-size: clamp(36px, 4.9vw, 70px); margin-top: 20px; }
.ch-h2s { font-size: clamp(34px, 3.9vw, 54px); margin-top: 20px; }
.ch-h3 { font-size: clamp(28px, 2.6vw, 38px); line-height: 1.04; }

.sec { padding: 96px 0; position: relative; }
@media (min-width: 1024px) { .sec { padding: 128px 0; } }
.sec.pt-0 { padding-top: 0; }
.sec-tint { background: linear-gradient(180deg, transparent, rgba(237,232,221,.6) 12%, rgba(237,232,221,.6) 88%, transparent); }
.sec-head { display: grid; gap: 22px; align-items: end; }
@media (min-width: 1024px) { .sec-head { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 48px; } .sec-head-r { padding-bottom: 10px; } }
.sec-head-r { max-width: 44ch; }
.card { border-radius: 28px; }

/* ================= HERO ================= */
.ch-hero { position: relative; padding: 116px 0 48px; overflow: hidden; isolation: isolate; }
.ch-amb { position: absolute; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.ch-blob { position: absolute; border-radius: 50%; filter: blur(70px); opacity: .5; animation: ch-drift 26s ease-in-out infinite alternate; }
@keyframes ch-drift { 0% { transform: translate3d(0,0,0) scale(1); } 50% { transform: translate3d(4%, -3%, 0) scale(1.08); } 100% { transform: translate3d(-3%, 4%, 0) scale(.96); } }
.ch-hero-head { text-align: center; }
.ch-h1 { margin-top: 16px; font-size: clamp(44px, 7.4vw, 84px); }
.ch-lede { max-width: 560px; margin: 20px auto 0; text-wrap: balance; }
.ch-cta { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 28px; }
@media (max-width: 639px) { .ch-cta .btn { padding: 15px 19px; font-size: 15px; } }

.ch-stage { position: relative; margin-top: 40px; border-radius: 34px; padding: 32px 16px 24px; display: grid; justify-items: center; gap: 20px; overflow: hidden; isolation: isolate; --grain: .14; box-shadow: 0 50px 120px -60px rgba(20,18,16,.55); }
.ch-stage > * { position: relative; z-index: 3; }
.ch-stage .hc-feed { --w: clamp(230px, 64vw, 280px); }
.ch-stage-r { display: grid; gap: 12px; width: min(100%, 340px); }
.ch-stage-r .hc-list { display: none; }
@media (min-width: 768px) {
  .ch-stage { padding: 40px 32px; grid-template-columns: auto auto; justify-content: center; align-items: center; gap: 28px; }
  .ch-stage-r { width: 236px; }
  .ch-stage-r .hc-list { display: block; }
}
@media (min-width: 1200px) {
  .ch-hero { padding: 120px 0 56px; }
  .ch-hero-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 48px; align-items: center; }
  .ch-hero-head { text-align: left; }
  .ch-h1 { font-size: clamp(56px, 5.3vw, 80px); }
  .ch-lede { margin-left: 0; max-width: 30em; }
  .ch-cta { justify-content: flex-start; }
  .ch-stage { margin-top: 0; padding: 36px 30px; gap: 22px; }
  .ch-stage .hc-feed { --w: 268px; }
  .ch-stage-r { width: 222px; }
}
@media (min-width: 1400px) { .ch-stage { padding: 40px 40px; gap: 28px; } .ch-stage .hc-feed { --w: 286px; } .ch-stage-r { width: 236px; } }

.ch-brief-t { margin-top: 8px; font-family: var(--font-display); font-size: 17px; line-height: 1.22; letter-spacing: -.012em; color: var(--ink); }
.ch-ft { display: grid; place-items: center; width: 30px; height: 22px; border-radius: 6px; font: 600 9px/1 var(--font-mono); letter-spacing: .04em; color: #fff; background: linear-gradient(135deg, #FF6A45, #F49AB8); flex: none; }
.ch-ft-z { background: linear-gradient(135deg, #7FBDF2, #B49CF2); }
.ch-ft-i { background: linear-gradient(135deg, #FFB45A, #9ED37F); }
.ch-brief-m { display: flex; justify-content: space-between; gap: 10px; margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--line); font-size: 13px; color: var(--mute); }
.ch-brief-m + .ch-brief-m { margin-top: 0; }
.ch-brief-m b { font-weight: 600; color: var(--ink); }

/* ================= HOW IT RUNS ================= */
.ch-steps { list-style: none; margin: 56px 0 0; padding: 0; display: grid; gap: 12px; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 640px) and (max-width: 899px) { .ch-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.ch-step { position: relative; background: var(--cream); border: 1px solid var(--line); padding: 14px 14px 22px; border-radius: 24px; overflow: hidden; }
.ch-step-n { margin-top: 18px; font-size: 12px; color: var(--mute); }
.ch-step h3 { margin-top: 8px; font-family: var(--font-display); font-weight: 400; font-size: 22px; line-height: 1.12; letter-spacing: -.015em; font-variation-settings: "opsz" 144, "SOFT" 50; }
.ch-step-tx > p:last-child { margin-top: 8px; font-size: 15px; line-height: 1.5; color: var(--ink-2); }
.ch-step-tx { padding: 0 6px; }
@media (min-width: 900px) {
  .ch-step { display: grid; grid-template-columns: 260px minmax(0, 1fr); align-items: center; gap: 36px; padding: 12px 32px 12px 12px; }
  .ch-step-tx { display: grid; grid-template-columns: 52px minmax(0, 1fr); align-items: baseline; gap: 6px 8px; padding: 0; }
  .ch-step-n { grid-row: span 2; margin: 0; font-size: 13px; }
  .ch-step h3 { margin: 0; font-size: 25px; }
  .ch-step-tx > p:last-child { margin: 0; font-size: 16px; }
}
.ch-vig { position: relative; height: 118px; border-radius: 16px; background: var(--paper); border: 1px solid var(--line); overflow: hidden; padding: 14px; }

/* 01 upload */
.ch-vig-up { display: grid; gap: 7px; align-content: center; }
.ch-up { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: center; column-gap: 8px; row-gap: 4px; font-size: 11.5px; color: var(--ink-2); }
.ch-up .ch-ft { grid-row: span 2; width: 26px; height: 20px; font-size: 8px; }
.ch-up-n { white-space: nowrap; line-height: 1; }
.ch-up-b { position: relative; height: 4px; border-radius: 9px; background: var(--paper-2); overflow: hidden; }
.ch-up-b i { position: absolute; inset: 0 auto 0 0; width: 0; border-radius: inherit; background: var(--ink); }
.ch-step.in .ch-up-b i { animation: ch-fill 2.4s var(--ease-out) forwards; }
.ch-step.in .ch-up:nth-child(2) .ch-up-b i { animation-delay: .35s; }
.ch-step.in .ch-up:nth-child(3) .ch-up-b i { animation-delay: .7s; }
@keyframes ch-fill { to { width: 100%; } }

/* 02 dates and prize */
.ch-vig-cal { display: grid; align-content: center; gap: 12px; }
.ch-cal { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 0; }
.ch-cal span { display: grid; place-items: center; height: 26px; font: 500 11px/1 var(--font-mono); color: var(--mute); position: relative; z-index: 0; }
.ch-cal span.on { color: var(--ink); }
.ch-cal span.on::before { content: ""; position: absolute; inset: 1px 0; z-index: -1; background: rgba(244,154,184,.35); transform: scaleX(0); transform-origin: left; transition: transform .5s var(--ease-out); }
.ch-cal span.on:nth-child(2)::before { border-radius: 99px 0 0 99px; } .ch-cal span.on:nth-child(5)::before { border-radius: 0 99px 99px 0; }
.ch-step.in .ch-cal span.on::before { transform: none; }
.ch-step.in .ch-cal span.on:nth-child(3)::before { transition-delay: .12s; } .ch-step.in .ch-cal span.on:nth-child(4)::before { transition-delay: .24s; } .ch-step.in .ch-cal span.on:nth-child(5)::before { transition-delay: .36s; }
.ch-cal-p { display: flex; justify-content: space-between; gap: 6px; font-size: 11px; color: var(--mute); }
.ch-cal-p b { display: block; font-family: var(--font-display); font-weight: 400; font-size: 18px; letter-spacing: -.02em; color: var(--ink); }

/* 03 same minute */
.ch-vig-fan { padding: 0; color: rgba(20,18,16,.22); }
.ch-fan { position: absolute; inset: 0; width: 100%; height: 100%; }
.ch-fan-l path { stroke-dasharray: 100; stroke-dashoffset: 100; }
.ch-step.in .ch-fan-l path { animation: ch-draw 1.1s var(--ease-out) .25s forwards; }
@keyframes ch-draw { to { stroke-dashoffset: 0; } }
.ch-fan-c { position: absolute; left: 50%; top: 50%; width: 30px; height: 30px; margin: -15px 0 0 -15px; border-radius: 9px; display: grid; place-items: center; background: var(--ink); color: var(--paper); z-index: 2; }
.ch-fan-c svg { width: 15px; height: 15px; }
.ch-fan-a { position: absolute; width: 16px; height: 16px; margin: -8px 0 0 -8px; border-radius: 99px; background: linear-gradient(135deg, var(--a0, var(--apricot)), var(--a1, var(--rose)) 55%, var(--a2, var(--lilac))); box-shadow: 0 0 0 2px var(--paper); opacity: .25; transform: scale(.7); transition: opacity .4s, transform .5s var(--ease-spring); transition-delay: 1.05s; }
.ch-step.in .ch-fan-a { opacity: 1; transform: none; }

/* 04 feed */
.ch-vig-feed { display: grid; place-items: center; padding: 10px; }
.ch-mini { position: relative; width: 56px; height: 96px; border-radius: 10px; overflow: hidden; background: #1A1714; box-shadow: 0 0 0 3px var(--ink); }
.ch-mini span { position: absolute; left: 0; right: 0; height: 100%; background: url(assets/challenges/airrack-clip-sm.webp) var(--px) 30% / cover no-repeat; filter: var(--g); }
.ch-mini span:nth-child(1) { top: 0; } .ch-mini span:nth-child(2) { top: 100%; } .ch-mini span:nth-child(3) { top: 200%; } .ch-mini span:nth-child(4) { top: 300%; }
.ch-step.in .ch-mini span { animation: ch-reel 6s cubic-bezier(.7, 0, .2, 1) infinite; }
@keyframes ch-reel { 0%, 20% { transform: translateY(0); } 25%, 45% { transform: translateY(-100%); } 50%, 70% { transform: translateY(-200%); } 75%, 95% { transform: translateY(-300%); } 100% { transform: translateY(-300%); } }

/* 05 hire */
.ch-vig-hire { display: grid; align-content: center; }
.ch-offer { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: center; gap: 4px 10px; }
.ch-offer .hc-av { width: 36px; height: 36px; box-shadow: none; }
.ch-offer .hc-av i { font-size: 12px; }
.ch-offer-t b { display: block; font-size: 13.5px; font-weight: 600; }
.ch-offer-t span { display: block; font-size: 11.5px; color: var(--mute); }
.ch-offer-ok { grid-column: 1 / -1; display: inline-flex; align-items: center; gap: 6px; margin-top: 12px; font-size: 12.5px; font-weight: 600; color: var(--moss-ink); opacity: 0; transform: translateY(6px); transition: opacity .4s, transform .6s var(--ease-spring); transition-delay: .5s; }
.ch-offer-ok svg { width: 14px; height: 14px; padding: 2px; border-radius: 99px; background: var(--moss); color: #fff; }
.ch-step.in .ch-offer-ok { opacity: 1; transform: none; }

/* ================= WHY IT WORKS ================= */
.ch-two { display: grid; gap: 12px; margin-top: 56px; }
@media (min-width: 900px) { .ch-two { grid-template-columns: 1fr 1fr; } }
.ch-side { background: var(--cream); border: 1px solid var(--line); padding: 14px 14px 30px; }
.ch-side-vis { position: relative; border-radius: 20px; background: var(--paper); border: 1px solid var(--line); padding: 22px 18px; height: 228px; display: grid; align-content: center; justify-items: center; gap: 12px; overflow: hidden; }
.ch-side-k { margin: 26px 12px 0; font-size: 12px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--mute); }
.ch-pts { list-style: none; margin: 8px 0 0; padding: 0 12px; display: grid; }
.ch-pts li { padding: 15px 0; border-bottom: 1px solid var(--line); display: grid; gap: 4px; }
.ch-pts li:last-child { border-bottom: 0; padding-bottom: 0; }
.ch-pts b { font-family: var(--font-display); font-weight: 400; font-size: 21px; line-height: 1.2; letter-spacing: -.012em; }
.ch-pts span { font-size: 15px; line-height: 1.5; color: var(--ink-2); }
.ch-same { display: flex; gap: 10px; }
.ch-same span { position: relative; width: clamp(64px, 9vw, 86px); aspect-ratio: 9 / 16; border-radius: 12px; background: url(assets/challenges/airrack-clip-sm.webp) var(--px) 30% / cover no-repeat; filter: var(--g); box-shadow: 0 12px 24px -16px rgba(20,18,16,.6); transform: translateY(8px) rotate(var(--r, 0deg)); opacity: 0; transition: transform .8s var(--ease-spring), opacity .5s; }
.ch-same span:nth-child(1) { --r: -4deg; } .ch-same span:nth-child(3) { --r: 4deg; }
.ch-same span i { position: absolute; left: 6px; bottom: 6px; font: 600 9.5px/1 var(--font-ui); font-style: normal; color: #fff; text-shadow: 0 0 6px rgba(0,0,0,.6); }
.ch-side.in .ch-same span { opacity: 1; transform: rotate(var(--r, 0deg)); }
.ch-side.in .ch-same span:nth-child(2) { transition-delay: .1s; } .ch-side.in .ch-same span:nth-child(3) { transition-delay: .2s; }
.ch-same-c { font-size: 11px; color: var(--mute); }
.ch-badge { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 12px; width: min(100%, 340px); padding: 12px 14px; border-radius: 16px; background: #fff; box-shadow: var(--shadow-ui); opacity: 0; transform: translateY(10px); transition: opacity .5s, transform .8s var(--ease-spring); }
.ch-side.in .ch-badge { opacity: 1; transform: none; }
.ch-side.in .ch-badge-2 { transition-delay: .18s; }
.ch-badge .hc-av { width: 38px; height: 38px; box-shadow: none; }
.ch-badge .hc-av i { font-size: 13px; }
.ch-badge-t b { display: block; font-size: 14px; font-weight: 600; }
.ch-badge-t span { display: block; margin-top: 2px; font-size: 12.5px; line-height: 1.35; color: var(--mute); }
.ch-badge-r { font-family: var(--font-display); font-size: 24px; letter-spacing: -.02em; color: var(--ink); }
.ch-badge-2 { grid-template-columns: auto minmax(0, 1fr); }
.ch-badge-ic { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 99px; background: var(--paper-2); color: var(--ink-2); }
.ch-badge-ic svg { width: 17px; height: 17px; }

/* ================= PROOF ================= */
.ch-cases { display: grid; gap: 12px; margin-top: 56px; }
@media (min-width: 1200px) { .ch-cases { grid-template-columns: repeat(3, minmax(0, 1fr)); } .ch-case-t { min-height: 2.12em; } }
.ch-case { background: var(--cream); border: 1px solid var(--line); padding: 12px; display: grid; gap: 0; overflow: hidden; align-content: start; grid-template-rows: auto 1fr; }
@media (min-width: 700px) and (max-width: 1199px) { .ch-case { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); grid-template-rows: none; align-items: stretch; } .ch-case .ch-case-img { aspect-ratio: auto; min-height: 260px; height: 100%; } }
.ch-case-img { position: relative; border-radius: 20px; overflow: hidden; aspect-ratio: 16 / 9; background: var(--paper-2); }
.ch-case-img img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 28%; transform: scale(1.06); transition: transform 1.4s var(--ease-out) .1s; }
.ch-case.in .ch-case-img img { transform: none; }
.ch-case-b { padding: 22px 12px 14px; display: flex; flex-direction: column; }
@media (min-width: 1024px) { .ch-case-b { padding: 26px 20px 16px; } }
.ch-case-who { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; font-size: 14px; color: var(--mute); }
.ch-case-who b { font-size: 15px; font-weight: 600; color: var(--ink); }
.ch-case-t { margin-top: 10px; font-size: clamp(26px, 2.2vw, 32px); line-height: 1.06; text-wrap: balance; }
.ch-nums { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin: 22px 0 0; padding: 18px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.ch-nums > div { display: flex; flex-direction: column-reverse; justify-content: flex-end; min-width: 0; }
.ch-nums dt { margin-top: 6px; font-size: 12.5px; line-height: 1.3; color: var(--mute); }
.ch-nums dd { margin: 0; font-family: var(--font-display); font-size: clamp(24px, 2vw, 30px); line-height: 1.05; letter-spacing: -.02em; font-variant-numeric: tabular-nums; white-space: nowrap; }
.ch-nums dd.ch-dd-s { font-family: var(--font-ui); font-size: 15px; font-weight: 500; line-height: 1.25; letter-spacing: 0; white-space: normal; padding-top: .35em; }
.ch-case-p { margin-top: 16px; font-size: 14.5px; line-height: 1.5; color: var(--ink-2); }
.ch-case-p span { display: block; font-size: 12px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--mute); margin-bottom: 4px; }
.ch-case-a { margin-top: auto; padding-top: 18px; font-size: 15px; font-weight: 500; gap: 0; align-self: flex-start; }
.ch-case-a svg { width: 14px; height: 14px; margin-left: 6px; transition: transform .45s var(--ease-spring); }
@media (hover: hover) and (pointer: fine) { .ch-case-a:hover svg { transform: translate(2px, -2px); } }

/* ================= PRIZE POOL BUILDER ================= */
.ch-pb { display: grid; gap: 12px; margin-top: 56px; }
@media (min-width: 1024px) { .ch-pb { grid-template-columns: minmax(0, 6fr) minmax(0, 6fr); align-items: start; } }
.ch-pb-ctl { background: var(--cream); border: 1px solid var(--line); padding: 10px 20px 24px; display: grid; gap: 0; align-content: start; }
@media (min-width: 640px) { .ch-pb-ctl { padding: 14px 28px 28px; } }
.ch-seg-f { padding: 18px 0; border-bottom: 1px solid var(--line); min-width: 0; }
.ch-seg-l { display: block; margin-bottom: 12px; font-size: 15px; font-weight: 600; color: var(--ink); }
.ch-seg { position: relative; display: flex; flex-wrap: wrap; gap: 6px; }
.ch-seg button { position: relative; flex: 1 1 auto; min-width: 64px; height: 42px; padding: 0 14px; border-radius: 999px; border: 1px solid var(--line-2); background: transparent; font: 500 14px/1 var(--font-ui); color: var(--ink-2); cursor: pointer; font-variant-numeric: tabular-nums;
  transition: background-color .35s var(--ease-spring), color .35s var(--ease-spring), border-color .35s, transform var(--dur-press) ease-out; }
.ch-seg button:active { transform: scale(.97); }
.ch-seg button[aria-checked="true"] { background: var(--ink); border-color: var(--ink); color: var(--paper); }
@media (hover: hover) and (pointer: fine) { .ch-seg button:not([aria-checked="true"]):hover { background: rgba(20,18,16,.05); border-color: rgba(20,18,16,.3); } }
.ch-pool-f { border-bottom: 0; }
.ch-pool-row { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.ch-pool-row .ch-seg-l { margin: 0; }
.ch-pool-v { font-family: var(--font-display); font-weight: 400; font-size: clamp(30px, 3vw, 40px); line-height: 1; letter-spacing: -.025em; font-variant-numeric: tabular-nums; color: var(--ink); }
.ch-range { -webkit-appearance: none; appearance: none; display: block; width: 100%; height: 44px; margin: 0; background: transparent; cursor: pointer; --r: .077; }
.ch-range:focus-visible { outline: none; }
.ch-range::-webkit-slider-runnable-track { height: 8px; border-radius: 99px; background: linear-gradient(90deg, #FF6A45, #F49AB8) 0 0 / calc(var(--r) * 100%) 100% no-repeat, var(--paper-2); box-shadow: inset 0 0 0 1px var(--line); }
.ch-range::-moz-range-track { height: 8px; border-radius: 99px; background: var(--paper-2); box-shadow: inset 0 0 0 1px var(--line); }
.ch-range::-moz-range-progress { height: 8px; border-radius: 99px; background: linear-gradient(90deg, #FF6A45, #F49AB8); }
.ch-range::-webkit-slider-thumb { -webkit-appearance: none; width: 28px; height: 28px; margin-top: -10px; border-radius: 99px; background: #fff; border: 0; box-shadow: 0 0 0 1px var(--line-2), 0 6px 14px -6px rgba(20,18,16,.5); transition: transform var(--dur-press) ease-out; }
.ch-range::-moz-range-thumb { width: 28px; height: 28px; border-radius: 99px; background: #fff; border: 0; box-shadow: 0 0 0 1px var(--line-2), 0 6px 14px -6px rgba(20,18,16,.5); }
.ch-range:active::-webkit-slider-thumb { transform: scale(1.08); }
.ch-range:focus-visible::-webkit-slider-thumb { box-shadow: 0 0 0 2px var(--paper), 0 0 0 4px var(--ink); }
.ch-range:focus-visible::-moz-range-thumb { box-shadow: 0 0 0 2px var(--paper), 0 0 0 4px var(--ink); }
.ch-range-s { display: flex; justify-content: space-between; font: 500 12px/1 var(--font-mono); color: var(--mute); }
.ch-pb-out { display: grid; gap: 12px; align-content: start; }
.ch-listing { position: relative; overflow: hidden; isolation: isolate; background: #fff; border: 1px solid var(--line); padding: 24px 22px 22px; box-shadow: var(--shadow-ui); }
@media (min-width: 640px) { .ch-listing { padding: 28px 30px 26px; } }
.ch-listing::before { content: ""; position: absolute; z-index: -1; right: -60px; top: -80px; width: 240px; height: 240px; border-radius: 50%; filter: blur(50px); opacity: .5; background: linear-gradient(135deg, #FFB45A, #F49AB8 55%, #B49CF2); }
.ch-listing-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.ch-listing-k { font-size: 12px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--mute); }
.ch-listing-cd { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; color: var(--ink-2); }
.ch-listing-cd::before { content: ""; width: 6px; height: 6px; border-radius: 9px; background: #FF5A4E; }
.ch-listing-t { margin-top: 14px; font-family: var(--font-display); font-weight: 400; font-size: clamp(26px, 2.4vw, 32px); line-height: 1.08; letter-spacing: -.02em; }
.ch-listing-s { margin-top: 8px; font-size: 14.5px; line-height: 1.5; color: var(--ink-2); max-width: 46ch; min-height: 3em; transition: opacity .16s; }
.ch-listing-t, .ch-listing-cd { transition: opacity .16s; }
@media (max-width: 639px) { .ch-listing-t { min-height: 2.16em; } }
.ch-listing .is-swap { opacity: 0; }
.ch-pool { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line); }
.ch-pool-k { font-size: 13px; font-weight: 600; color: var(--ink-2); }
.ch-pool-n { font-family: var(--font-display); font-weight: 400; font-size: clamp(40px, 4vw, 54px); line-height: 1; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.ch-places { list-style: none; margin: 16px 0 0; padding: 0; display: grid; gap: 10px; }
.ch-places li { display: grid; grid-template-columns: 2.6em minmax(0, 1fr) auto; align-items: center; gap: 12px; font-size: 14px; animation: ch-row .5s var(--ease-spring) both; }
.ch-places li > span:first-child { font-family: var(--font-mono); font-size: 12px; color: var(--mute); }
.ch-places .bar { position: relative; height: 8px; border-radius: 99px; background: var(--paper-2); overflow: hidden; }
.ch-places .bar i { position: absolute; inset: 0 auto 0 0; width: calc(var(--w) * 100%); border-radius: inherit; background: linear-gradient(90deg, #FF6A45, #F49AB8); transition: width .7s var(--ease-spring); }
.ch-places b { font-weight: 600; font-variant-numeric: tabular-nums; min-width: 4.4em; text-align: right; }
@keyframes ch-row { from { opacity: 0; transform: translateY(-6px); } }
.ch-perks { list-style: none; margin: 18px 0 0; padding: 14px 0 0; border-top: 1px solid var(--line); display: grid; gap: 8px; font-size: 14px; color: var(--ink-2); }
.ch-perks li { display: flex; align-items: center; gap: 10px; animation: ch-row .5s var(--ease-spring) both; }
.ch-perks li::before { content: ""; width: 6px; height: 6px; border-radius: 9px; flex: none; background: linear-gradient(135deg, var(--coral), var(--apricot)); }
/* ================= PRICING ================= */
.ch-price { display: grid; gap: 36px; background: var(--cream); border: 1px solid var(--line); padding: 32px 20px 20px; position: relative; overflow: hidden; isolation: isolate; }
@media (min-width: 640px) { .ch-price { padding: 44px 40px 40px; } }
@media (min-width: 1024px) { .ch-price { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 48px; align-items: center; padding: 56px; } }
.ch-price::before { content: ""; position: absolute; z-index: -1; left: -120px; bottom: -160px; width: 420px; height: 420px; border-radius: 50%; filter: blur(70px); opacity: .35; background: radial-gradient(closest-side, #FFB45A, transparent); }
.ch-price-p { margin-top: 18px; font-size: 16px; line-height: 1.55; color: var(--ink-2); max-width: 40ch; }
.ch-price-a { margin-top: 22px; font-size: 15px; font-weight: 500; }
.ch-plans { display: grid; gap: 12px; }
@media (min-width: 640px) { .ch-plans { grid-template-columns: 1fr 1fr; } }
.ch-plan { display: flex; flex-direction: column; border-radius: 22px; background: #fff; border: 1px solid var(--line); padding: 24px 22px 22px; box-shadow: var(--shadow-ui); }
.ch-plan-n { font-size: 15px; font-weight: 600; }
.ch-plan-p { margin-top: 10px; display: flex; align-items: baseline; gap: 8px; }
.ch-plan-p b { font-family: var(--font-display); font-weight: 400; font-size: 46px; line-height: 1; letter-spacing: -.03em; }
.ch-plan-p span { font-size: 14px; color: var(--mute); }
.ch-plan ul { list-style: none; margin: 18px 0 22px; padding: 16px 0 0; border-top: 1px solid var(--line); display: grid; gap: 9px; font-size: 14.5px; line-height: 1.4; color: var(--ink-2); }
.ch-plan li { display: grid; grid-template-columns: 6px minmax(0, 1fr); gap: 10px; align-items: baseline; }
.ch-plan li::before { content: ""; width: 6px; height: 6px; border-radius: 9px; transform: translateY(-1px); background: var(--line-2); }
.ch-plan li:first-child::before { background: linear-gradient(135deg, var(--coral), var(--apricot)); }
.ch-plan li b { font-weight: 600; color: var(--ink); }
.ch-plan .btn { margin-top: auto; }

/* ================= FAQ ================= */
.ch-faq { display: grid; gap: 44px; }
@media (min-width: 1024px) { .ch-faq { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 48px; align-items: start; } .ch-faq-stick { position: sticky; top: 112px; } }
.ch-faq-mail { margin-top: 22px; font-size: 15px; color: var(--mute); max-width: 40ch; }
.ch-faq-mail a { color: var(--ink); }
.ch-faq-r { border-top: 1px solid var(--line-2); }
.qa { border-bottom: 1px solid var(--line-2); }
.qa > button { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 24px 0; background: none; border: 0; text-align: left; cursor: pointer; color: var(--ink); font: inherit; }
.qa > button:focus-visible { outline-offset: 4px; }
.qa-q { font-family: var(--font-display); font-size: clamp(21px, 2vw, 27px); line-height: 1.22; letter-spacing: -.015em; transition: transform .5s var(--ease-spring); }
.qa-ic { display: grid; place-items: center; width: 36px; height: 36px; flex: none; border-radius: 99px; border: 1px solid var(--line-2); }
.qa-ic svg { width: 14px; height: 14px; }
.qa .acc-body p { padding: 0 48px 28px 0; font-size: 16px; line-height: 1.65; color: var(--ink-2); max-width: 60ch; }
.qa .acc-body a { color: var(--ink); }
@media (max-width: 639px) { .qa .acc-body p { padding-right: 0; } }
@media (hover: hover) and (pointer: fine) {
  .qa > button:hover .qa-q { transform: translateX(4px); }
  .qa > button:hover .qa-ic { border-color: rgba(20,18,16,.35); }
}

/* ================= FINAL CTA (the page's one dark block) ================= */
.ch-fin { padding: 0 0 24px; }
.ch-meet { position: relative; border-radius: 40px; overflow: hidden; isolation: isolate; background: var(--ink); color: var(--paper); --grain: .2; }
.ch-meet-surf { position: absolute; inset: 0; opacity: .9; }
.ch-meet-in { position: relative; z-index: 3; padding: 96px 22px; text-align: center; }
@media (min-width: 640px) { .ch-meet-in { padding: 132px 48px; } }
.ch-meet-eb { color: rgba(246,243,236,.75); }
.ch-meet-h { margin-top: 22px; font-size: clamp(42px, 7vw, 104px); }
.ch-meet-h em { background: linear-gradient(100deg, #FFD08A, #FFB45A 35%, #F49AB8 70%, #F7E296); -webkit-background-clip: text; background-clip: text; }
.ch-meet-p { margin: 24px auto 0; max-width: 40ch; font-size: 18px; line-height: 1.5; color: rgba(246,243,236,.84); }
.ch-meet-cta { margin-top: 36px; display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 12px 26px; }
.ch-meet-talk { font-weight: 500; color: var(--paper); }
.ch-meet :focus-visible { outline-color: var(--paper); }

/* ================= FOOTER ================= */
.ch-foot { padding: 80px 0 40px; }
.ch-foot-cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 36px 24px; border-top: 1px solid var(--line-2); padding-top: 40px; font-size: 14.5px; }
@media (min-width: 900px) { .ch-foot-cols { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.ch-foot-cols ul { list-style: none; padding: 0; margin: 16px 0 0; display: grid; gap: 10px; }
.ch-foot-cols a { color: var(--ink-2); }
.ch-foot-legal { margin-top: 56px; display: flex; flex-direction: column; gap: 14px; font-size: 13px; color: var(--mute); }
@media (min-width: 640px) { .ch-foot-legal { flex-direction: row; align-items: center; justify-content: space-between; } }
.ch-foot-logo { color: var(--ink); display: inline-flex; }

/* ================= reduced motion: opacity only ================= */
@media (prefers-reduced-motion: reduce) {
  .ch-blob { animation: none; }
  .ch-step .ch-up-b i { animation: none !important; width: 100%; }
  .ch-step .ch-fan-l path { animation: none !important; stroke-dashoffset: 0; }
  .ch-step .ch-mini span { animation: none !important; }
  .ch-cal span.on::before { transform: none; }
  .ch-fan-a, .ch-same span, .ch-badge, .ch-offer-ok, .ch-case-img img { transform: none !important; }
}

/* ================= R8: page start (same on every page: brand.css --hero-top / --hero-eb-gap) ================= */
.ch-hero { padding-top: var(--hero-top); }
.ch-h1 { margin-top: var(--hero-eb-gap); }
.ch-hero-grid { align-items: start; }

/* ================= R8: section rhythm (brand.css --sec-* tokens; gaps measured content to content) ================= */
.ch-hero { padding-bottom: var(--hero-pb); }
.sec, .sec.pt-0 { padding-top: var(--sec-pad); padding-bottom: var(--sec-pad); }
#faq.sec { padding-bottom: var(--sec-pad-tight); }
.ch-fin { padding-top: var(--sec-pad-tight); }