/* UI3-LIVE-C1-B2 — How It Works + Platform recomposition
   Jurisdiction: how-it-works.html and platform.html. No cognition runtime authority. */

:root {
  --b2-wide: 1320px;
  --b2-editorial: 730px;
  --b2-ink: #171a17;
  --b2-muted: #666d66;
  --b2-paper: #f4f1e9;
  --b2-white: #fff;
  --b2-line: #d7dbd4;
  --b2-dark: #111410;
  --b2-dark-2: #191d18;
  --b2-mineral: #e9e5dc;
  --b2-green: #2b6f49;
  --b2-green-soft: #e5f0e8;
  --b2-amber: #8a5c11;
  --b2-amber-soft: #fff0ce;
  --b2-red: #9b3330;
  --b2-red-soft: #f8e6e4;
  --b2-blue: #215fa6;
  --b2-blue-soft: #e5effc;
  --b2-purple: #5a3e8b;
  --b2-shadow: 0 24px 70px rgba(13,16,13,.13);
}

body.how-page,
body.platform-page { margin: 0; background: var(--b2-paper); color: var(--b2-ink); }
body.how-page main,
body.platform-page main { overflow: clip; }

.b2-rail { width: min(var(--b2-wide), calc(100% - (var(--pad) * 2))); margin-inline: auto; }
.b2-editorial { width: min(var(--b2-editorial), 100%); }
.b2-dark { background: var(--b2-dark); color: #f4f1e8; }
.b2-mineral { background: var(--b2-mineral); }

.b2-eyebrow { margin: 0 0 15px; color: #6a716a; font-size: 12px; font-weight: 720; letter-spacing: .105em; line-height: 1.2; text-transform: uppercase; }
.b2-dark .b2-eyebrow { color: rgba(244,241,232,.58); }
.b2-display { margin: 0; max-width: 940px; font-size: clamp(46px,4.8vw,70px); font-weight: 545; letter-spacing: -.047em; line-height: .99; }
.b2-title { margin: 0; max-width: 850px; font-size: clamp(34px,3.15vw,51px); font-weight: 545; letter-spacing: -.038em; line-height: 1.04; }
.b2-lede,.b2-copy { margin: 0; max-width: 720px; color: var(--b2-muted); font-size: clamp(17px,1.35vw,20px); line-height: 1.56; }
.b2-lede { font-size: clamp(18px,1.5vw,21px); }
.b2-copy + .b2-copy { margin-top: 16px; }
.b2-dark .b2-lede,.b2-dark .b2-copy { color: rgba(244,241,232,.7); }
.b2-text-link { display: inline-flex; gap: 10px; margin-top: 24px; color: inherit; font-size: 14px; font-weight: 670; text-decoration: none; }
.b2-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.b2-button { min-height: 44px; display: inline-flex; align-items: center; gap: 10px; padding: 10px 16px; border: 1px solid rgba(23,26,23,.28); border-radius: 999px; color: var(--b2-ink); font-size: 14px; font-weight: 650; text-decoration: none; }
.b2-button--solid { background: var(--b2-ink); border-color: var(--b2-ink); color: #fff; }
.b2-wide-intro { display: grid; grid-template-columns: minmax(0,1.2fr) minmax(300px,.68fr); gap: clamp(42px,7vw,110px); align-items: end; }
.b2-split { display: grid; grid-template-columns: minmax(300px,.66fr) minmax(0,1.34fr); gap: clamp(48px,7vw,112px); align-items: center; }
.b2-split--figure-first > .b2-editorial { order: 2; justify-self: end; }
.b2-split--figure-first > figure { order: 1; }

/* --------------------------------------------------------------------------
   HOW IT WORKS — one continuous governed act
   -------------------------------------------------------------------------- */

.b2-how-form { padding: clamp(66px,7vw,110px) 0 0; }
.b2-how-form__intro { display: grid; grid-template-columns: minmax(0,.72fr) minmax(520px,1.28fr); gap: clamp(48px,6.5vw,104px); align-items: center; }
.b2-how-form__copy { padding-bottom: 26px; }
.b2-how-form__copy .b2-lede { margin-top: 25px; color: rgba(244,241,232,.72); }

.b2-act-contract { margin: 0; overflow: hidden; border: 1px solid rgba(255,255,255,.17); border-radius: 15px 15px 0 0; background: #f7f7f4; color: var(--b2-ink); box-shadow: 0 30px 90px rgba(0,0,0,.34); }
.b2-act-contract figcaption { min-height: 48px; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 0 18px; border-bottom: 1px solid var(--b2-line); background: #eef0ec; color: #646a64; font-size: 11px; }
.b2-act-contract figcaption strong { color: var(--b2-green); font-weight: 730; }
.b2-contract__question { padding: 22px 22px 16px; font-size: clamp(25px,2.2vw,34px); font-weight: 660; letter-spacing: -.035em; }
.b2-contract__ledger { margin: 0; padding: 0 22px 22px; }
.b2-contract__ledger > div { display: grid; grid-template-columns: 132px minmax(0,1fr); gap: 18px; padding: 13px 0; border-top: 1px solid var(--b2-line); }
.b2-contract__ledger dt { color: #787e78; font-size: 10px; font-weight: 720; letter-spacing: .07em; text-transform: uppercase; }
.b2-contract__ledger dd { margin: 0; font-size: 13px; line-height: 1.47; }
.b2-contract__footer { min-height: 48px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 0 22px; background: #1d211c; color: rgba(255,255,255,.62); font-size: 11px; }
.b2-contract__footer strong { color: #fff; font-size: 12px; }

.b2-act-spine { display: grid; grid-template-columns: repeat(5,1fr); margin-top: 0; border-top: 1px solid rgba(255,255,255,.13); }
.b2-act-spine span { min-height: 112px; display: grid; grid-template-columns: 30px 1fr; grid-template-rows: auto auto; column-gap: 10px; align-content: center; padding: 20px 18px; border-right: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.48); }
.b2-act-spine span:last-child { border-right: 0; }
.b2-act-spine i { grid-row: 1 / span 2; align-self: start; color: rgba(255,255,255,.35); font-size: 10px; font-style: normal; }
.b2-act-spine strong { color: #fff; font-size: 14px; font-weight: 680; }
.b2-act-spine small { margin-top: 3px; font-size: 10px; line-height: 1.35; }
.b2-act-spine .is-current { background: rgba(255,255,255,.055); }

.b2-how-know,.b2-how-think,.b2-how-authority,.b2-how-settle { padding: clamp(92px,9vw,146px) 0; }

.b2-source-world { margin: 0; border: 1px solid var(--b2-line); background: #fff; box-shadow: var(--b2-shadow); }
.b2-source-world__head { min-height: 62px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 0 20px; border-bottom: 1px solid var(--b2-line); background: #f6f7f4; }
.b2-source-world__head div { display: grid; gap: 4px; }
.b2-source-world__head span { color: #777e77; font-size: 10px; text-transform: uppercase; letter-spacing: .07em; }
.b2-source-world__head strong { font-size: 14px; }
.b2-source-world__head em { color: var(--b2-green); font-size: 11px; font-style: normal; font-weight: 700; }
.b2-source-world__grid { min-height: 480px; display: grid; grid-template-columns: minmax(240px,.72fr) minmax(0,1.28fr); }
.b2-source-list { padding: 10px; border-right: 1px solid var(--b2-line); background: #f7f8f6; }
.b2-source-list article { display: grid; gap: 3px; margin-bottom: 6px; padding: 12px 13px; border: 1px solid transparent; border-radius: 8px; }
.b2-source-list article.is-admitted { background: #fff; border-color: #d9e4dc; }
.b2-source-list article.is-excluded { opacity: .6; }
.b2-source-list span { color: #7b817a; font-size: 9px; font-weight: 690; letter-spacing: .055em; }
.b2-source-list strong { font-size: 12px; }
.b2-source-list small { color: #6f756e; font-size: 10px; }
.b2-source-list article.is-admitted small { color: var(--b2-green); font-weight: 700; }
.b2-source-detail { padding: 22px; }
.b2-source-detail > div { padding: 18px 0; border-bottom: 1px solid var(--b2-line); }
.b2-source-detail > div:last-child { border-bottom: 0; }
.b2-source-detail span { display: block; margin-bottom: 8px; color: #797f79; font-size: 10px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; }
.b2-source-detail strong { display: block; max-width: 650px; font-size: 18px; line-height: 1.35; }
.b2-source-detail p { margin: 5px 0 0; color: var(--b2-muted); font-size: 13px; line-height: 1.5; }
.b2-source-detail__conflict b { display: inline-flex; margin-top: 10px; padding: 5px 8px; border-radius: 999px; background: var(--b2-red-soft); color: var(--b2-red); font-size: 9px; }
.b2-source-detail__need { background: linear-gradient(90deg,var(--b2-amber-soft),transparent 68%); padding-left: 14px !important; }
.b2-source-world figcaption,.b2-think-joint figcaption,.b2-settlement figcaption,.b2-resource-model figcaption,.b2-compose-surface figcaption { padding: 12px 18px; border-top: 1px solid var(--b2-line); color: #737a73; font-size: 11px; line-height: 1.45; }

.b2-think-joint { margin: 0; overflow: hidden; border: 1px solid #cfcac0; background: #fff; box-shadow: var(--b2-shadow); }
.b2-think-joint__work { padding: 20px 22px 14px; }
.b2-think-joint__work header { display: flex; justify-content: space-between; gap: 20px; margin-bottom: 12px; padding-bottom: 14px; border-bottom: 1px solid var(--b2-line); }
.b2-think-joint__work header span { color: #737a73; font-size: 10px; text-transform: uppercase; letter-spacing: .07em; }
.b2-think-joint__work header strong { font-size: 13px; }
.b2-work-line { display: grid; grid-template-columns: 126px minmax(0,1fr) auto; gap: 14px; align-items: center; padding: 10px 0; border-bottom: 1px solid #eceeea; }
.b2-work-line span { color: #70766f; font-size: 10px; font-weight: 700; }
.b2-work-line strong { font-size: 12px; }
.b2-work-line em { color: var(--b2-green); font-size: 10px; font-style: normal; }
.b2-work-result { display: flex; justify-content: space-between; gap: 24px; margin-top: 14px; padding: 13px 15px; background: #eff4f0; }
.b2-work-result span { color: #6d746d; font-size: 10px; text-transform: uppercase; letter-spacing: .065em; }
.b2-work-result strong { font-size: 13px; }
.b2-human-joint { padding: 26px 24px; background: #181c17; color: #f7f4ec; }
.b2-human-joint__label { color: #9fc6aa; font-size: 10px; font-weight: 720; letter-spacing: .08em; text-transform: uppercase; }
.b2-human-joint h3 { margin: 10px 0 14px; max-width: 620px; font-size: clamp(25px,2.5vw,36px); font-weight: 560; letter-spacing: -.035em; line-height: 1.08; }
.b2-human-joint p { margin: 8px 0; max-width: 680px; color: rgba(255,255,255,.68); font-size: 12px; line-height: 1.5; }
.b2-human-joint p strong { color: #fff; }
.b2-human-joint__choices { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.b2-human-joint__choices span { padding: 8px 11px; border: 1px solid rgba(255,255,255,.24); border-radius: 999px; font-size: 10px; }
.b2-human-joint__choices .is-primary { background: #f3efe4; border-color: #f3efe4; color: #171a17; }

.b2-how-authority .b2-wide-intro { align-items: start; }
.b2-authority-line { display: grid; grid-template-columns: minmax(0,1fr) 28px minmax(0,1fr) 28px minmax(0,1fr) 28px minmax(0,1fr); gap: 0; margin: 52px 0 0; }
.b2-authority-line article { min-height: 272px; display: flex; flex-direction: column; padding: 23px; border: 1px solid rgba(255,255,255,.15); background: rgba(255,255,255,.035); }
.b2-authority-line article span { color: rgba(255,255,255,.45); font-size: 10px; letter-spacing: .07em; text-transform: uppercase; }
.b2-authority-line article strong { margin-top: 20px; font-size: 21px; line-height: 1.18; letter-spacing: -.025em; }
.b2-authority-line article p { margin: 10px 0 0; color: rgba(255,255,255,.62); font-size: 12px; line-height: 1.48; }
.b2-authority-line article em { margin-top: auto; padding-top: 18px; color: #a7c9af; font-size: 10px; font-style: normal; font-weight: 700; }
.b2-authority-line > i { align-self: center; position: relative; height: 1px; background: rgba(255,255,255,.28); }
.b2-authority-line > i::after { content: ''; position: absolute; right: -1px; top: -3px; width: 6px; height: 6px; border-top: 1px solid rgba(255,255,255,.5); border-right: 1px solid rgba(255,255,255,.5); transform: rotate(45deg); }
.b2-authority-note { display: grid; grid-template-columns: 150px minmax(0,1fr) minmax(260px,.62fr); gap: 24px; align-items: baseline; margin-top: 18px; padding: 18px 22px; border-left: 2px solid #abcab3; background: rgba(255,255,255,.05); }
.b2-authority-note span { color: rgba(255,255,255,.48); font-size: 10px; text-transform: uppercase; letter-spacing: .07em; }
.b2-authority-note strong { font-size: 17px; }
.b2-authority-note p { margin: 0; color: rgba(255,255,255,.62); font-size: 12px; line-height: 1.45; }

.b2-settlement { margin: 0; overflow: hidden; border: 1px solid var(--b2-line); background: #fff; box-shadow: var(--b2-shadow); }
.b2-settlement > header { min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 0 22px; border-bottom: 1px solid var(--b2-line); background: #f7f8f5; }
.b2-settlement > header div { display: grid; gap: 4px; }
.b2-settlement > header span { color: #747b74; font-size: 10px; text-transform: uppercase; letter-spacing: .065em; }
.b2-settlement > header strong { font-size: 15px; }
.b2-settlement > header b { padding: 6px 10px; border-radius: 999px; background: var(--b2-green-soft); color: var(--b2-green); font-size: 10px; }
.b2-settlement__timeline { display: grid; grid-template-columns: repeat(3,1fr); padding: 20px 20px 0; }
.b2-settlement__timeline > div { min-height: 130px; padding: 16px; border: 1px solid var(--b2-line); border-right: 0; }
.b2-settlement__timeline > div:last-child { border-right: 1px solid var(--b2-line); }
.b2-settlement__timeline .is-terminal { background: #eff6f1; }
.b2-settlement__timeline time { color: #747a74; font-size: 10px; }
.b2-settlement__timeline span { display: block; margin: 16px 0 5px; color: #747a74; font-size: 9px; text-transform: uppercase; letter-spacing: .07em; }
.b2-settlement__timeline strong { font-size: 13px; line-height: 1.35; }
.b2-settlement__receipt { margin: 0; padding: 20px; }
.b2-settlement__receipt > div { display: grid; grid-template-columns: 145px minmax(0,1fr); gap: 16px; padding: 13px 0; border-top: 1px solid var(--b2-line); }
.b2-settlement__receipt dt { color: #747a74; font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; }
.b2-settlement__receipt dd { margin: 0; font-size: 12px; line-height: 1.48; }

/* --------------------------------------------------------------------------
   PLATFORM — distinct products, common substrate
   -------------------------------------------------------------------------- */

.b2-platform-products { padding: clamp(64px,6.5vw,98px) 0 clamp(92px,8vw,130px); background: #f5f2e9; }
.b2-platform-products__intro { display: grid; grid-template-columns: minmax(0,1.05fr) minmax(330px,.72fr); gap: clamp(42px,7vw,112px); align-items: end; }
.b2-platform-products__intro .b2-lede { margin-top: 0; }
.b2-mobile-handoff { display: none; }
.b2-app-theatre { display: grid; grid-template-columns: .72fr 1.15fr 1.27fr; gap: 22px; align-items: end; margin-top: 56px; }
.b2-app { min-width: 0; }
.b2-app__meta { min-height: 62px; display: grid; grid-template-columns: 1fr auto; grid-template-rows: auto auto; gap: 2px 12px; align-items: end; padding: 0 2px 12px; }
.b2-app__meta span { font-size: 13px; font-weight: 740; }
.b2-app__meta strong { grid-row: 1 / span 2; align-self: center; padding: 6px 9px; border: 1px solid #b9beb7; border-radius: 999px; font-size: 10px; text-transform: uppercase; letter-spacing: .08em; }
.b2-app__meta em { color: #747a73; font-size: 10px; font-style: normal; }
.b2-app > a { display: flex; justify-content: space-between; gap: 12px; margin-top: 10px; color: var(--b2-ink); font-size: 11px; font-weight: 680; text-decoration: none; }

/* Company Answers — iPhone / SwiftUI */
.b2-phone { width: min(100%,290px); margin-inline: auto; overflow: hidden; border: 8px solid #161817; border-radius: 34px; background: #f4f6f9; box-shadow: 0 20px 55px rgba(13,16,13,.17); }
.b2-phone__status { height: 24px; display: flex; align-items: center; justify-content: space-between; padding: 0 14px; background: #f4f6f9; font-size: 8px; font-weight: 700; }
.b2-phone__nav { min-height: 38px; display: grid; grid-template-columns: 28px 1fr 28px; align-items: center; padding: 0 8px; border-bottom: 1px solid #d8dee6; background: rgba(246,248,251,.96); color: #1c1f23; font-size: 9px; text-align: center; }
.b2-phone__nav > span { color: #0674df; font-size: 14px; }
.b2-phone__body { min-height: 470px; padding: 17px 14px 22px; }
.b2-ios-chip { display: inline-flex; padding: 4px 7px; border-radius: 999px; background: #dfeeff; color: #0864bd; font-size: 8px; font-weight: 700; }
.b2-phone h2 { margin: 14px 0 13px; font-size: 18px; line-height: 1.15; letter-spacing: -.03em; }
.b2-ios-answer { padding: 12px; border-radius: 13px; background: #fff; box-shadow: 0 5px 18px rgba(30,45,60,.08); }
.b2-ios-answer small { color: #6b7480; font-size: 8px; text-transform: uppercase; letter-spacing: .06em; }
.b2-ios-answer strong { display: block; margin-top: 6px; font-size: 12px; line-height: 1.3; }
.b2-ios-answer p { margin: 7px 0 0; color: #626a73; font-size: 9px; line-height: 1.45; }
.b2-ios-source { display: grid; grid-template-columns: 22px 1fr auto; gap: 8px; align-items: center; margin-top: 9px; padding: 9px 0; border-bottom: 1px solid #dde2e7; }
.b2-ios-source > span { width: 20px; height: 20px; display: grid; place-items: center; border-radius: 5px; background: #e8eef6; color: #176cc0; font-size: 8px; font-weight: 700; }
.b2-ios-source strong { display: block; font-size: 9px; }
.b2-ios-source small { color: #737b84; font-size: 7px; }
.b2-ios-source em { color: #1c6f47; font-size: 7px; font-style: normal; font-weight: 700; }
.b2-ios-source.is-conflict em { color: #9a4a20; }

/* Vendor Risk — Material 3 */
.b2-material-app { overflow: hidden; border: 1px solid #d7d3e0; border-radius: 18px; background: #fbf9ff; box-shadow: 0 22px 60px rgba(31,21,48,.13); }
.b2-material-app > header { min-height: 48px; display: flex; align-items: center; gap: 10px; padding: 0 14px; background: #f1edfa; color: #352f41; font-size: 9px; }
.b2-material-logo { width: 25px; height: 25px; display: grid; place-items: center; border-radius: 8px; background: #6749a1; color: #fff; font-size: 8px; font-weight: 800; }
.b2-material-app > header i { flex: 1; }
.b2-material-app > header b { font-size: 8px; font-weight: 600; }
.b2-material-layout { min-height: 520px; display: grid; grid-template-columns: 94px minmax(0,1fr); }
.b2-material-layout > aside { padding: 12px 8px; background: #f4f1f9; }
.b2-material-layout > aside span { display: block; margin-bottom: 3px; padding: 8px 9px; border-radius: 999px; color: #625c69; font-size: 8px; }
.b2-material-layout > aside .is-active { background: #e8dff6; color: #4b3178; font-weight: 700; }
.b2-material-layout > section { padding: 18px; }
.b2-material-title { display: flex; justify-content: space-between; gap: 12px; }
.b2-material-title small { color: #776f7c; font-size: 8px; }
.b2-material-title h2 { margin: 4px 0 0; font-size: 19px; line-height: 1.15; letter-spacing: -.03em; }
.b2-material-title > span { align-self: start; padding: 5px 8px; border-radius: 999px; background: #ffebc9; color: #704e11; font-size: 7px; font-weight: 700; }
.b2-material-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; margin-top: 18px; }
.b2-material-grid article { min-height: 140px; display: flex; flex-direction: column; padding: 11px; border: 1px solid #ded8e8; border-radius: 12px; background: #fff; }
.b2-material-grid small { color: #7a7280; font-size: 7px; text-transform: uppercase; letter-spacing: .05em; }
.b2-material-grid strong { margin-top: 8px; color: #7a322f; font-size: 13px; }
.b2-material-grid p { margin: 8px 0 0; color: #6c6570; font-size: 8px; line-height: 1.45; }
.b2-material-grid em { margin-top: auto; color: #6749a1; font-size: 7px; font-style: normal; font-weight: 700; }
.b2-material-decision { margin-top: 10px; padding: 13px; border-radius: 13px; background: #eee8f6; }
.b2-material-decision span { color: #746b7a; font-size: 7px; text-transform: uppercase; letter-spacing: .05em; }
.b2-material-decision strong { display: block; margin: 4px 0; font-size: 12px; }
.b2-material-decision p { margin: 0; color: #655e69; font-size: 8px; line-height: 1.4; }

/* Release Readiness — Carbon */
.b2-carbon-app { overflow: hidden; border: 1px solid #bfc3c3; background: #f4f4f4; box-shadow: 0 24px 64px rgba(0,0,0,.16); }
.b2-carbon-app > header { min-height: 46px; display: flex; align-items: center; gap: 12px; padding: 0 14px; background: #161616; color: #f4f4f4; font-size: 9px; }
.b2-carbon-app > header i { flex: 1; }
.b2-carbon-app > header b { font-size: 8px; font-weight: 500; }
.b2-carbon-layout { min-height: 526px; display: grid; grid-template-columns: 102px minmax(0,1fr); }
.b2-carbon-layout > aside { padding: 9px 0; background: #262626; color: #c6c6c6; }
.b2-carbon-layout > aside span { display: block; padding: 9px 12px; border-left: 3px solid transparent; font-size: 8px; }
.b2-carbon-layout > aside .is-active { border-color: #0f62fe; background: #393939; color: #fff; }
.b2-carbon-layout > section { padding: 18px; }
.b2-carbon-title { display: grid; grid-template-columns: 1fr auto; align-items: start; }
.b2-carbon-title small { grid-column: 1; color: #6f6f6f; font-size: 8px; }
.b2-carbon-title h2 { grid-column: 1; margin: 4px 0 0; font-size: 21px; letter-spacing: -.03em; }
.b2-carbon-title > span { grid-column: 2; grid-row: 1 / span 2; padding: 5px 8px; background: #ffd7d9; color: #a2191f; font-size: 7px; font-weight: 700; }
.b2-carbon-app table { width: 100%; margin-top: 18px; border-collapse: collapse; font-size: 8px; }
.b2-carbon-app th,.b2-carbon-app td { padding: 10px 8px; border-top: 1px solid #d6d6d6; text-align: left; }
.b2-carbon-app th { font-weight: 600; }
.b2-carbon-app td:last-child { font-weight: 700; }
.b2-carbon-app .is-good { color: #198038; }
.b2-carbon-app .is-bad { color: #da1e28; }
.b2-carbon-callout { margin-top: 16px; padding: 13px 14px; border-left: 3px solid #da1e28; background: #fff; }
.b2-carbon-callout strong { font-size: 11px; }
.b2-carbon-callout p { margin: 5px 0 0; color: #525252; font-size: 8px; line-height: 1.45; }

.b2-platform-gradient,.b2-platform-resources,.b2-platform-compose,.b2-platform-proof,.b2-platform-close { padding: clamp(92px,9vw,146px) 0; }
.b2-gradient-lines { margin-top: 48px; border-top: 1px solid rgba(255,255,255,.18); }
.b2-gradient-lines article { display: grid; grid-template-columns: 105px minmax(240px,.62fr) minmax(0,1.38fr); gap: 28px; align-items: start; padding: 26px 0; border-bottom: 1px solid rgba(255,255,255,.14); }
.b2-gradient-lines article > span { color: #a9cdb3; font-size: 12px; font-weight: 760; text-transform: uppercase; letter-spacing: .1em; }
.b2-gradient-lines article > div strong { font-size: 20px; }
.b2-gradient-lines article > div p { margin: 5px 0 0; color: rgba(255,255,255,.62); font-size: 12px; line-height: 1.5; }
.b2-gradient-lines dl { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin: 0; }
.b2-gradient-lines dl > div { padding-left: 14px; border-left: 1px solid rgba(255,255,255,.15); }
.b2-gradient-lines dt { color: rgba(255,255,255,.42); font-size: 8px; text-transform: uppercase; letter-spacing: .065em; }
.b2-gradient-lines dd { margin: 5px 0 0; color: #f0ede5; font-size: 10px; line-height: 1.4; }

.b2-resource-model { margin: 0; overflow: hidden; border: 1px solid var(--b2-line); background: #fff; box-shadow: var(--b2-shadow); }
.b2-resource-model > header { min-height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 0 20px; border-bottom: 1px solid var(--b2-line); background: #f6f7f4; }
.b2-resource-model > header span { color: #747b74; font-size: 10px; text-transform: uppercase; letter-spacing: .065em; }
.b2-resource-model > header strong { font-size: 13px; }
.b2-resource-model__apps { display: grid; grid-template-columns: repeat(3,1fr); border-bottom: 1px solid var(--b2-line); }
.b2-resource-model__apps span { padding: 12px 14px; border-right: 1px solid var(--b2-line); color: #555d55; font-size: 10px; font-weight: 680; text-align: center; }
.b2-resource-model__apps span:last-child { border-right: 0; }
.b2-resource-model__spine { padding: 12px 20px 18px; }
.b2-resource-model__spine article { display: grid; grid-template-columns: 30px 180px minmax(0,1fr); gap: 14px; align-items: center; padding: 13px 0; border-bottom: 1px solid #eceeea; }
.b2-resource-model__spine article:last-child { border-bottom: 0; }
.b2-resource-model__spine i { color: #899089; font-size: 9px; font-style: normal; }
.b2-resource-model__spine span { display: block; color: #767d76; font-size: 8px; text-transform: uppercase; letter-spacing: .06em; }
.b2-resource-model__spine strong { font-size: 11px; }
.b2-resource-model__spine p { margin: 0; color: #687068; font-size: 10px; line-height: 1.4; }

.b2-compose-surface { display: grid; grid-template-columns: minmax(0,1fr) 92px minmax(0,.9fr); margin-top: 48px; overflow: hidden; border: 1px solid #cfcac0; background: #fff; box-shadow: var(--b2-shadow); }
.b2-compose-code { min-width: 0; background: #171a17; color: #e9eee8; }
.b2-compose-code > header { min-height: 56px; display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 0 18px; border-bottom: 1px solid rgba(255,255,255,.12); background: #101210; }
.b2-compose-code > header div { display: grid; gap: 2px; }
.b2-compose-code > header span { color: rgba(255,255,255,.46); font-size: 9px; }
.b2-compose-code > header strong { font-size: 11px; }
.b2-compose-code > header em { color: #9bc2a5; font-size: 9px; font-style: normal; }
.b2-compose-code pre { margin: 0; min-height: 390px; padding: 24px; overflow: auto; font-size: 11px; line-height: 1.68; tab-size: 2; }
.b2-compose-code code { font-family: ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace; }
.tok-key { color: #c6a0f6; }.tok-fn { color: #8bd5ca; }.tok-str { color: #eed49f; }
.b2-compose-files { display: flex; gap: 0; overflow: auto; border-top: 1px solid rgba(255,255,255,.12); }
.b2-compose-files span { flex: none; padding: 11px 12px; border-right: 1px solid rgba(255,255,255,.1); color: rgba(255,255,255,.46); font-size: 8px; }
.b2-compose-files .is-active { color: #fff; background: rgba(255,255,255,.07); }
.b2-compose-arrow { display: grid; place-items: center; align-content: center; gap: 8px; border-inline: 1px solid var(--b2-line); background: #f0eee8; color: #676e67; text-align: center; }
.b2-compose-arrow span { font-size: 8px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.b2-compose-arrow i { font-size: 28px; font-style: normal; color: #252a25; }
.b2-compose-arrow small { width: 62px; font-size: 8px; line-height: 1.35; }
.b2-compose-product { min-width: 0; }
.b2-compose-product > header { min-height: 56px; display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 0 18px; border-bottom: 1px solid var(--b2-line); background: #f3eff8; color: #3d3545; font-size: 9px; }
.b2-compose-product > header strong { font-size: 11px; }
.b2-compose-product__body { padding: 18px; }
.b2-compose-req { display: grid; grid-template-columns: 86px 95px 1fr; gap: 10px; align-items: start; padding: 12px 0; border-bottom: 1px solid var(--b2-line); }
.b2-compose-req span { color: #747b74; font-size: 9px; }
.b2-compose-req strong { color: #8d3633; font-size: 10px; }
.b2-compose-req p { margin: 0; color: #626962; font-size: 9px; line-height: 1.4; }
.b2-compose-recommendation { margin-top: 16px; padding: 16px; border-radius: 12px; background: #eee8f6; }
.b2-compose-recommendation small { color: #746c79; font-size: 8px; text-transform: uppercase; letter-spacing: .05em; }
.b2-compose-recommendation strong { display: block; margin: 6px 0; font-size: 17px; }
.b2-compose-recommendation p { margin: 0; color: #625b67; font-size: 10px; line-height: 1.45; }
.b2-compose-surface figcaption { grid-column: 1 / -1; }

.b2-proof-packet { margin: 0; overflow: hidden; border: 1px solid var(--b2-line); background: #fff; box-shadow: var(--b2-shadow); }
.b2-proof-packet > header { min-height: 66px; display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 0 20px; border-bottom: 1px solid var(--b2-line); background: #f6f7f4; }
.b2-proof-packet > header div { display: grid; gap: 3px; }
.b2-proof-packet > header span { color: #757b75; font-size: 9px; text-transform: uppercase; letter-spacing: .06em; }
.b2-proof-packet > header strong { font-size: 13px; }
.b2-proof-packet > header b { padding: 6px 9px; border-radius: 999px; background: var(--b2-amber-soft); color: var(--b2-amber); font-size: 9px; }
.b2-proof-packet__summary { padding: 20px; border-bottom: 1px solid var(--b2-line); }
.b2-proof-packet__summary span { color: #757b75; font-size: 9px; text-transform: uppercase; letter-spacing: .06em; }
.b2-proof-packet__summary strong { display: block; margin: 7px 0; font-size: 24px; letter-spacing: -.03em; }
.b2-proof-packet__summary p { margin: 0; color: #656c65; font-size: 11px; line-height: 1.45; }
.b2-proof-packet__ledger { margin: 0; padding: 0 20px; }
.b2-proof-packet__ledger > div { display: grid; grid-template-columns: 132px minmax(0,1fr) 95px; gap: 14px; align-items: start; padding: 13px 0; border-bottom: 1px solid var(--b2-line); }
.b2-proof-packet__ledger dt { color: #747b74; font-size: 9px; font-weight: 700; }
.b2-proof-packet__ledger dd { margin: 0; font-size: 10px; line-height: 1.45; }
.b2-proof-packet__ledger em { color: var(--b2-green); font-size: 9px; font-style: normal; font-weight: 700; text-align: right; }
.b2-proof-packet > footer { display: flex; justify-content: space-between; gap: 18px; padding: 15px 20px; background: #1a1e19; color: rgba(255,255,255,.55); font-size: 9px; }
.b2-proof-packet > footer strong { color: #fff; }

.b2-platform-close__grid { display: grid; grid-template-columns: minmax(0,.75fr) minmax(480px,1.25fr); gap: clamp(52px,8vw,124px); align-items: start; }
.b2-deep-routes { border-top: 1px solid rgba(255,255,255,.18); }
.b2-deep-routes a { display: grid; grid-template-columns: 160px 1fr 28px; gap: 18px; align-items: center; padding: 18px 0; border-bottom: 1px solid rgba(255,255,255,.15); color: #f4f1e8; text-decoration: none; }
.b2-deep-routes span { color: rgba(255,255,255,.47); font-size: 10px; text-transform: uppercase; letter-spacing: .065em; }
.b2-deep-routes strong { font-size: 13px; line-height: 1.4; }
.b2-deep-routes i { font-style: normal; text-align: right; }

@media (max-width: 1120px) {
  .b2-how-form__intro,.b2-platform-products__intro,.b2-wide-intro,.b2-split,.b2-platform-close__grid { grid-template-columns: 1fr; }
  .b2-how-form__copy,.b2-platform-products__intro > div { max-width: 820px; }
  .b2-platform-products__intro > div:last-child { max-width: 800px; }
  .b2-split--figure-first > .b2-editorial,.b2-split--figure-first > figure { order: initial; }
  .b2-editorial { width: min(800px,100%); }
  .b2-app-theatre { grid-template-columns: .75fr 1.25fr; align-items: start; }
  .b2-app--release { grid-column: 1 / -1; width: min(860px,100%); justify-self: center; }
  .b2-authority-line { grid-template-columns: 1fr 24px 1fr; row-gap: 24px; }
  .b2-authority-line article:nth-of-type(3) { grid-column: 1; }
  .b2-authority-line article:nth-of-type(4) { grid-column: 3; }
  .b2-authority-line > i:nth-of-type(3) { display: none; }
  .b2-authority-note { grid-template-columns: 130px 1fr; }
  .b2-authority-note p { grid-column: 2; }
  .b2-compose-surface { grid-template-columns: 1fr; }
  .b2-compose-arrow { min-height: 74px; display: flex; justify-content: center; gap: 16px; border-inline: 0; border-block: 1px solid var(--b2-line); }
  .b2-compose-arrow i { transform: rotate(90deg); }
  .b2-compose-arrow small { width: auto; }
  .b2-platform-close__grid { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  body.how-page .masthead,body.platform-page .masthead { position: relative; inset: auto; }
  .b2-how-form,.b2-platform-products { padding-top: 54px; }
  .b2-how-form__intro { gap: 40px; }
  .b2-display { max-width: 760px; font-size: clamp(44px,7vw,61px); }
  .b2-title { font-size: clamp(34px,5.5vw,46px); }
  .b2-act-spine { grid-template-columns: 1fr; }
  .b2-act-spine span { min-height: 62px; grid-template-columns: 30px 130px 1fr; grid-template-rows: 1fr; align-items: center; padding: 12px 16px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.1); }
  .b2-act-spine i { grid-row: auto; }
  .b2-act-spine small { margin: 0; }
  .b2-source-world__grid { grid-template-columns: 1fr; }
  .b2-source-list { display: grid; grid-template-columns: 1fr 1fr; gap: 5px; border-right: 0; border-bottom: 1px solid var(--b2-line); }
  .b2-source-list article { margin: 0; }
  .b2-authority-line { grid-template-columns: 1fr; }
  .b2-authority-line article,.b2-authority-line article:nth-of-type(3),.b2-authority-line article:nth-of-type(4) { grid-column: auto; min-height: auto; }
  .b2-authority-line > i { width: 1px; height: 24px; justify-self: center; }
  .b2-authority-line > i::after { right: -3px; top: auto; bottom: -1px; transform: rotate(135deg); }
  .b2-authority-line > i:nth-of-type(3) { display: block; }
  .b2-authority-note { grid-template-columns: 1fr; }
  .b2-authority-note p { grid-column: auto; }
  .b2-settlement__timeline { grid-template-columns: 1fr; }
  .b2-settlement__timeline > div { min-height: auto; border-right: 1px solid var(--b2-line); border-bottom: 0; }
  .b2-settlement__timeline > div:last-child { border-bottom: 1px solid var(--b2-line); }
  .b2-app-theatre { grid-template-columns: 1fr; gap: 48px; }
  .b2-app { width: min(760px,100%); justify-self: center; }
  .b2-app--company { width: min(330px,100%); justify-self: start; }
  .b2-app--release { grid-column: auto; }
  .b2-gradient-lines article { grid-template-columns: 90px 1fr; }
  .b2-gradient-lines dl { grid-column: 2; }
  .b2-resource-model__spine article { grid-template-columns: 28px 170px 1fr; }
}

@media (max-width: 640px) {
  .b2-rail { width: calc(100% - 36px); }
  .b2-display { font-size: clamp(40px,12.2vw,52px); line-height: .98; }
  .b2-title { font-size: clamp(31px,9vw,40px); }
  .b2-lede,.b2-copy { font-size: 16px; line-height: 1.55; }
  .b2-how-form { padding-top: 46px; }
  .b2-how-form__intro { gap: 34px; }
  .b2-act-contract figcaption,.b2-source-world__head,.b2-settlement > header,.b2-proof-packet > header { align-items: flex-start; flex-direction: column; justify-content: center; padding-block: 13px; }
  .b2-contract__question { font-size: 25px; }
  .b2-contract__ledger > div,.b2-settlement__receipt > div { grid-template-columns: 1fr; gap: 5px; }
  .b2-act-spine span { grid-template-columns: 26px 105px 1fr; }
  .b2-how-know,.b2-how-think,.b2-how-authority,.b2-how-settle,.b2-platform-gradient,.b2-platform-resources,.b2-platform-compose,.b2-platform-proof,.b2-platform-close { padding: 82px 0; }
  .b2-source-list { grid-template-columns: 1fr; }
  .b2-source-world__grid { min-height: 0; }
  .b2-work-line { grid-template-columns: 1fr auto; gap: 5px 10px; }
  .b2-work-line span { grid-column: 1 / -1; }
  .b2-work-result { flex-direction: column; gap: 5px; }
  .b2-human-joint { padding: 22px 18px; }
  .b2-authority-line { margin-top: 36px; }
  .b2-authority-line article { padding: 19px; }
  .b2-platform-products { padding-top: 44px; }
  .b2-platform-products__intro { gap: 24px; }
  .b2-mobile-handoff { display: grid; margin-top: 26px; border-block: 1px solid var(--b2-line); }
  .b2-how-mobile-handoff { gap: 9px; padding: 15px 0; border-color: rgba(255,255,255,.18); color: #f4f1e8; }
  .b2-how-mobile-handoff > span { color: rgba(255,255,255,.52); font-size: 10px; letter-spacing: .055em; text-transform: uppercase; }
  .b2-how-mobile-handoff > strong { font-size: 19px; line-height: 1.1; letter-spacing: -.025em; }
  .b2-how-mobile-handoff > div { display: flex; flex-wrap: wrap; gap: 6px 10px; }
  .b2-how-mobile-handoff em { color: rgba(255,255,255,.66); font-size: 10px; font-style: normal; }
  .b2-how-form .b2-act-contract { display: none; }
  .b2-platform-mobile-index { gap: 0; }
  .b2-platform-mobile-index > span { display: grid; grid-template-columns: 50px 1fr; gap: 2px 10px; padding: 11px 0; border-bottom: 1px solid var(--b2-line); }
  .b2-platform-mobile-index > span:last-child { border-bottom: 0; }
  .b2-platform-mobile-index b { grid-row: 1 / span 2; align-self: center; color: var(--b2-green); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
  .b2-platform-mobile-index strong { font-size: 13px; line-height: 1.15; }
  .b2-platform-mobile-index em { color: #747b74; font-size: 10px; font-style: normal; }
  .b2-platform-products .b2-display { font-size: clamp(39px,11.4vw,48px); }
  .b2-app-theatre { margin-top: 42px; }
  .b2-app__meta { min-height: 54px; }
  .b2-phone { width: min(288px,100%); }
  .b2-phone__body { min-height: 430px; }
  .b2-material-layout,.b2-carbon-layout { grid-template-columns: 1fr; min-height: 0; }
  .b2-material-layout > aside,.b2-carbon-layout > aside { display: flex; gap: 4px; overflow: auto; padding: 8px; }
  .b2-material-layout > aside span,.b2-carbon-layout > aside span { flex: none; padding: 7px 9px; border: 0; border-radius: 999px; }
  .b2-carbon-layout > aside .is-active { background: #393939; }
  .b2-material-grid { grid-template-columns: 1fr; }
  .b2-material-grid article { min-height: 95px; }
  .b2-carbon-app table { font-size: 7px; }
  .b2-carbon-app th,.b2-carbon-app td { padding: 9px 6px; }
  .b2-gradient-lines article { grid-template-columns: 1fr; gap: 10px; }
  .b2-gradient-lines dl { grid-column: auto; grid-template-columns: 1fr; gap: 8px; }
  .b2-gradient-lines dl > div { padding: 9px 0 0; border-left: 0; border-top: 1px solid rgba(255,255,255,.12); }
  .b2-resource-model > header { align-items: flex-start; flex-direction: column; justify-content: center; padding-block: 13px; }
  .b2-resource-model__apps { grid-template-columns: 1fr; }
  .b2-resource-model__apps span { border-right: 0; border-bottom: 1px solid var(--b2-line); text-align: left; }
  .b2-resource-model__apps span:last-child { border-bottom: 0; }
  .b2-resource-model__spine article { grid-template-columns: 24px 1fr; }
  .b2-resource-model__spine p { grid-column: 2; }
  .b2-compose-code pre { min-height: 330px; padding: 18px; font-size: 9px; }
  .b2-compose-arrow { min-height: 62px; }
  .b2-compose-req { grid-template-columns: 80px 1fr; }
  .b2-compose-req p { grid-column: 1 / -1; }
  .b2-proof-packet__ledger > div { grid-template-columns: 1fr auto; gap: 5px 10px; }
  .b2-proof-packet__ledger dd { grid-column: 1 / -1; }
  .b2-proof-packet__ledger em { grid-column: 2; grid-row: 1; }
  .b2-deep-routes a { grid-template-columns: 1fr 24px; }
  .b2-deep-routes span { grid-column: 1; }
  .b2-deep-routes strong { grid-column: 1; }
  .b2-deep-routes i { grid-column: 2; grid-row: 1 / span 2; }
}