:root {
  --livonne-gray: #4b4b4d;
  --livonne-pink: #c971a1;
  --pink-deep: #8b3f69;
  --livonne-blue: #506e8c;
  --blue-deep: #38536e;
  --ink: #303136;
  --muted: #66676d;
  --paper: #ffffff;
  --paper-soft: #f7f7f8;
  --paper-pink: #fbf4f8;
  --line: #dcdce1;
  --shadow: 0 22px 60px rgba(54, 54, 62, .12);
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --wrap: min(1180px, calc(100% - 40px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); font-size: 18px; line-height: 1.62; }
body.menu-open, body.drawer-open { overflow: hidden; }
body.drawer-open { position: fixed; right: 0; left: 0; width: 100%; }
img { display: block; max-width: 100%; }
a { color: inherit; text-underline-offset: .2em; }
button, audio { font: inherit; }
:focus-visible { outline: 3px solid var(--livonne-blue); outline-offset: 4px; border-radius: 3px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; }
.skip-link { position: fixed; z-index: 1000; top: 10px; left: 10px; padding: 10px 16px; background: #fff; color: var(--ink); transform: translateY(-180%); box-shadow: var(--shadow); }
.skip-link:focus { transform: none; }
.wrap { width: var(--wrap); margin-inline: auto; }
.narrow { width: min(760px, calc(100% - 40px)); margin-inline: auto; }
.small { font-size: .82rem; }
.kicker, .eyebrow { margin: 0 0 12px; color: var(--pink-deep); font-size: .72rem; font-weight: 800; letter-spacing: .14em; line-height: 1.35; text-transform: uppercase; }
.light { color: #fff; }
h1, h2, h3 { margin: 0; color: var(--ink); font-family: var(--serif); font-weight: 400; letter-spacing: -.038em; line-height: 1.04; text-wrap: balance; }
h1 { font-size: clamp(3rem, 6vw, 5.3rem); }
h2 { font-size: clamp(2.3rem, 4.2vw, 4.2rem); }
h3 { font-size: clamp(1.45rem, 2.2vw, 2rem); }
p { margin: 0 0 1em; }
.lede { font-size: clamp(1.08rem, 1.6vw, 1.35rem); line-height: 1.55; }
.section { padding: clamp(68px, 8vw, 104px) 0; }
.section-neutral { background: var(--paper-soft); }
.section-blue { color: #fff; background: var(--livonne-blue); }
.section-blue h2, .section-blue h3, .section-blue p, .section-blue .kicker { color: inherit; }
.section-head { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr); gap: clamp(32px, 7vw, 90px); align-items: end; margin-bottom: 44px; }
.section-head > p { margin: 0; }
.relationship-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(42px, 9vw, 120px); align-items: start; }
.relationship-grid > div:last-child > :last-child { margin-bottom: 0; }

.site-header { position: sticky; z-index: 80; top: 0; display: flex; align-items: center; height: 76px; padding: 0 max(28px, calc((100vw - 1180px) / 2)); border-bottom: 1px solid transparent; background: rgba(255, 255, 255, .95); backdrop-filter: blur(16px); }
.site-header.is-scrolled { border-bottom-color: var(--line); }
.brand { display: inline-block; width: 160px; }
.brand img { width: 100%; height: auto; }
.primary-nav { display: flex; gap: clamp(20px, 2.3vw, 34px); margin-left: auto; }
.primary-nav a { position: relative; color: var(--ink); font-size: .78rem; font-weight: 750; text-decoration: none; }
.primary-nav a::after { position: absolute; right: 0; bottom: -8px; left: 0; height: 2px; content: ""; background: var(--livonne-pink); transform: scaleX(0); transition: transform .2s ease; }
.primary-nav a:hover::after, .primary-nav a[aria-current="page"]::after { transform: scaleX(1); }
.menu-button { display: none; width: 46px; height: 46px; margin-left: auto; border: 1px solid var(--line); border-radius: 50%; background: #fff; color: var(--ink); }
.menu-button span { display: block; width: 20px; height: 2px; margin: 5px auto; background: currentColor; }
.mobile-menu { position: fixed; z-index: 79; inset: 76px 0 0; padding: 26px 24px; background: rgba(255, 255, 255, .99); }
.mobile-menu[hidden] { display: none; }
.mobile-menu a { display: block; padding: 13px 0; border-bottom: 1px solid var(--line); font-family: var(--serif); font-size: 1.65rem; text-decoration: none; }

.hero { position: relative; display: grid; min-height: calc(100svh - 76px); align-items: end; overflow: hidden; color: #fff; background: var(--livonne-gray); }
.hero-media { position: absolute; inset: 0; }
.hero-media picture, .hero-media img { width: 100%; height: 100%; }
.hero-media img { object-fit: cover; object-position: center; }
.hero-media::after { position: absolute; inset: 0; content: ""; background: linear-gradient(90deg, rgba(25, 26, 30, .88) 0%, rgba(25, 26, 30, .58) 46%, rgba(25, 26, 30, .12) 80%); }
.hero .wrap { position: relative; z-index: 1; }
.hero-copy { width: min(660px, 100%); padding: clamp(70px, 9vh, 112px) 0; }
.hero h1 { margin-bottom: 24px; color: #fff; font-size: clamp(4rem, 8vw, 7.2rem); }
.hero .lede { max-width: 650px; }
.hero-actions, .button-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 30px; }
.button { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; padding: 12px 22px; border: 1px solid var(--livonne-gray); border-radius: 999px; color: var(--ink); font-size: .78rem; font-weight: 800; text-decoration: none; }
.button-primary, .button-pink { border-color: var(--livonne-pink); background: var(--livonne-pink); color: #26262a; }
.button-blue { border-color: var(--livonne-blue); background: var(--livonne-blue); color: #fff; }
.button-dark { border-color: var(--livonne-gray); background: var(--livonne-gray); color: #fff; }
.button-light { border-color: rgba(255, 255, 255, .78); color: #fff; }
.text-link { color: var(--pink-deep); font-weight: 800; text-decoration-thickness: 1px; }
.section-blue .text-link { color: #fff; }
.status { display: inline-block; margin: 0 0 18px; padding: 5px 10px; border: 1px solid #b9bac0; border-radius: 999px; color: var(--livonne-gray); font-size: .63rem; font-weight: 800; letter-spacing: .1em; line-height: 1.2; text-transform: uppercase; }

.page-hero { padding: clamp(48px, 6vw, 74px) 0; background: var(--paper-pink); }
.page-hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(360px, .86fr); gap: clamp(42px, 7vw, 88px); align-items: center; }
.page-hero h1 { margin: 16px 0 22px; font-size: clamp(3rem, 5vw, 4.8rem); }
.page-hero .button-row { margin-top: 26px; }
.expression-logo { width: auto; max-width: min(310px, 80%); max-height: 66px; margin-bottom: 20px; }
.image-frame { overflow: hidden; border: 1px solid var(--line); background: #ececef; box-shadow: var(--shadow); }
.image-frame picture, .image-frame img { width: 100%; }
.image-frame img { height: 100%; object-fit: cover; }
.page-hero .image-frame img { aspect-ratio: 4 / 3; }
.editorial-scene { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: clamp(42px, 8vw, 96px); align-items: center; }
.editorial-scene.reverse > :first-child { order: 2; }
.editorial-scene.reverse > :last-child { order: 1; }

.system-stage { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(300px, .6fr); gap: 28px; }
.system-scene { overflow: hidden; border: 1px solid var(--line); background: #fff; }
.system-scene img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.caption-copy { display: grid; gap: 3px; padding: 18px 22px; margin: 0; }
.caption-copy span { color: var(--muted); font-size: .86rem; }
.system-pieces { display: grid; gap: 18px; }
.companion-note { padding: 24px; border-left: 4px solid var(--livonne-pink); background: var(--paper-pink); }
.companion-note p { margin: 5px 0 0; font-size: .86rem; }
.product-composition { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.product-tile { padding: 22px; border: 1px solid var(--line); background: #fff; }
.product-tile picture, .product-tile img { width: 100%; }
.product-tile img { height: 210px; object-fit: contain; }
.product-tile h3 { margin: 18px 0 8px; }
.product-tile p { margin: 0; color: var(--muted); font-size: .86rem; }
.note { margin-top: 24px; padding: 20px 24px; border-left: 4px solid var(--livonne-pink); background: var(--paper-pink); }

.privacy-home { background: #fff; }
.continuity-band { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border: 1px solid var(--line); background: #fff; }
.continuity-band a { display: grid; gap: 10px; min-height: 185px; padding: 26px; border-right: 1px solid var(--line); text-decoration: none; }
.continuity-band a:last-child { border-right: 0; }
.continuity-band a:hover { background: var(--paper-pink); }
.continuity-band b { color: var(--pink-deep); font-family: var(--serif); font-size: 1.6rem; font-weight: 400; }
.continuity-band span { color: var(--muted); font-size: .82rem; }
.moment-grid, .source-scenes, .device-groups { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.moment, .source-scenes article, .device-groups article { padding: 28px; border: 1px solid var(--line); background: #fff; }
.moment span, .source-scenes span { color: var(--pink-deep); font-size: .7rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.moment h3, .source-scenes h3, .device-groups h3 { margin: 38px 0 10px; }
.moment p, .source-scenes p, .device-groups p { margin: 0; color: var(--muted); font-size: .86rem; }
.device-groups img { width: 100%; height: 210px; object-fit: contain; }
.state-row, .presence-strip { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.state-row span, .presence-strip span { padding: 8px 13px; border: 1px solid var(--line); border-radius: 999px; background: #fff; font-size: .72rem; font-weight: 800; }
.legacy-section { background: var(--paper-pink); }
.legacy-mark { display: grid; grid-template-columns: repeat(2, 1fr); overflow: hidden; border: 1px solid var(--line); border-radius: 50%; aspect-ratio: 1; background: #fff; }
.legacy-mark span { display: grid; place-items: center; padding: 16px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); color: var(--pink-deep); font-family: var(--serif); text-align: center; }
.legacy-mark span:nth-child(even) { border-right: 0; }
.legacy-mark span:nth-child(n+3) { border-bottom: 0; }
.family-presence { background: var(--paper-pink); }
.presence-strip span { border-color: rgba(201, 113, 161, .5); }
.baby-section { background: #fff; }
.travel-grid { display: grid; grid-template-columns: .8fr .8fr 1.1fr; gap: 22px; align-items: stretch; }
.travel-copy { padding: 28px; border: 1px solid rgba(255,255,255,.35); }
.section-blue .product-tile h3 { color: var(--ink); }
.trust-sequence, .clean-steps { padding: 0; margin: 0; list-style: none; counter-reset: item; }
.trust-sequence { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); }
.trust-sequence li { position: relative; min-height: 220px; padding: 62px 24px 24px; border-right: 1px solid var(--line); counter-increment: item; }
.trust-sequence li:last-child { border-right: 0; }
.trust-sequence li::before { position: absolute; top: 20px; content: "0" counter(item); color: var(--livonne-pink); font-family: var(--serif); font-size: 1.35rem; }
.trust-sequence b, .trust-sequence span { display: block; }
.trust-sequence b { margin-bottom: 10px; font-family: var(--serif); font-size: 1.35rem; font-weight: 400; }
.trust-sequence span { color: var(--muted); font-size: .82rem; }
.clean-steps { display: grid; gap: 10px; }
.clean-steps li { position: relative; padding: 13px 16px 13px 52px; border: 1px solid var(--line); background: #fff; counter-increment: item; }
.clean-steps li::before { position: absolute; left: 17px; content: counter(item); color: var(--pink-deep); font-weight: 800; }
.clean-list { padding: 0; margin: 0; list-style: none; }
.clean-list li { padding: 10px 0; border-bottom: 1px solid var(--line); }
.light-list li { border-color: rgba(255,255,255,.28); }
.privacy-demo { display: grid; grid-template-columns: .9fr 1.1fr; gap: 20px; margin-top: 30px; }
.privacy-choices { display: grid; }
.privacy-choices button { padding: 18px; border: 1px solid var(--line); border-bottom: 0; background: #fff; color: var(--ink); text-align: left; cursor: pointer; }
.privacy-choices button:last-child { border-bottom: 1px solid var(--line); }
.privacy-choices button[aria-pressed="true"] { background: var(--livonne-gray); color: #fff; }
.privacy-result { padding: 30px; background: var(--paper-soft); }
.privacy-result > span { color: var(--pink-deep); font-family: var(--serif); font-size: 1.7rem; }
.founder-hero { padding: clamp(54px, 7vw, 88px) 0; background: var(--paper-pink); }
.founder-grid { display: grid; grid-template-columns: 1.15fr .7fr; gap: clamp(46px, 9vw, 120px); align-items: center; }
.founder-hero h1 { margin: 14px 0 28px; }
.founder-note { max-width: 680px; font-family: var(--serif); font-size: clamp(1.15rem, 1.8vw, 1.42rem); line-height: 1.56; }
.founder-portrait { margin: 0; }
.founder-portrait img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; object-position: 50% 28%; }
.founder-portrait figcaption { padding-top: 10px; color: var(--muted); font-size: .72rem; }
.story-masthead { padding: clamp(68px, 9vw, 112px) 0; border-bottom: 1px solid var(--line); background: var(--paper-pink); }
.story-masthead .wrap { max-width: 920px; }
.story-masthead h1 { margin-bottom: 22px; }

.story-hero { position: relative; display: grid; min-height: min(780px, calc(100svh - 76px)); align-items: end; overflow: hidden; color: #fff; background: var(--livonne-gray); }
.story-hero-media { position: absolute; inset: 0; }
.story-hero-media picture, .story-hero-media img { width: 100%; height: 100%; }
.story-hero-media img { object-fit: cover; }
.story-hero-media::after { position: absolute; inset: 0; content: ""; background: linear-gradient(90deg, rgba(35,35,39,.9), rgba(35,35,39,.25)); }
.story-hero-copy { position: relative; z-index: 1; padding-bottom: clamp(60px, 9vw, 104px); }
.story-hero h1 { margin-bottom: 20px; color: #fff; }
.story-hero-copy > p:not(.kicker) { max-width: 620px; }
.audio-inline { color: #fff; font-size: .78rem; font-weight: 700; }
.part-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.part-card { overflow: hidden; border: 1px solid var(--line); background: #fff; }
.part-card > picture, .part-card > picture img { width: 100%; }
.part-card > picture img { aspect-ratio: 16 / 10; object-fit: cover; }
.part-card-copy { padding: 24px; }
.part-card-copy > span { color: var(--pink-deep); font-size: .67rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.part-card h3 { margin: 12px 0 14px; }
.part-card p { color: var(--muted); font-size: .85rem; }
.audio-state { display: flex; gap: 12px; align-items: center; margin: 22px 0; padding: 12px; background: var(--paper-soft); }
.audio-state > span { display: grid; width: 34px; height: 34px; place-items: center; border: 1px solid var(--line); border-radius: 50%; color: var(--pink-deep); }
.audio-state b, .audio-state p { display: block; margin: 0; font-size: .72rem; }
.audio-player { margin: 24px 0; padding: 16px; border: 1px solid var(--line); background: var(--paper-soft); }
.audio-player p { margin: 0 0 8px; }
.audio-player audio { width: 100%; }

.reader-mobile-toggle { display: none; }
.reader-layout { display: grid; grid-template-columns: 276px minmax(0, 1fr); max-width: 1480px; margin: 0 auto; }
.reader-rail { position: sticky; top: 76px; height: calc(100svh - 76px); overflow-y: auto; padding: 34px 26px; border-right: 1px solid var(--line); background: var(--paper-soft); }
.reader-back { display: inline-block; margin-bottom: 38px; color: var(--pink-deep); font-size: .75rem; font-weight: 800; text-decoration: none; }
.reader-rail h2 { margin-bottom: 28px; font-size: 2rem; }
.reader-rail nav { display: grid; gap: 3px; }
.reader-chapter-link { display: grid; grid-template-columns: 28px 1fr; gap: 7px; padding: 9px 7px; color: var(--muted); font-size: .72rem; line-height: 1.35; text-decoration: none; }
.reader-chapter-link span { color: #9a9aa0; }
.reader-chapter-link[aria-current="page"] { background: #fff; color: var(--ink); font-weight: 800; }
.reader-rail .audio-state { margin-top: 32px; }
.reader-pane { min-width: 0; }
.reader-chapter { width: min(100%, 1040px); margin: 0 auto; padding: clamp(34px, 5vw, 72px); }
.reader-hero { overflow: hidden; margin: 0 0 clamp(38px, 6vw, 70px); border: 1px solid var(--line); }
.reader-hero picture, .reader-hero img { width: 100%; }
.reader-hero img { max-height: 570px; aspect-ratio: 16 / 9; object-fit: cover; }
.reader-heading, .chapter-body { width: min(730px, 100%); margin-inline: auto; }
.reader-heading h1 { margin-bottom: 22px; font-size: clamp(3rem, 6vw, 5.4rem); }
.chapter-meta { display: flex; flex-wrap: wrap; gap: 8px 18px; color: var(--muted); font-size: .68rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.progress-row { display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: center; margin: 18px 0 44px; color: var(--muted); font-size: .7rem; }
progress { width: 100%; height: 5px; border: 0; background: #e1e1e5; accent-color: var(--livonne-pink); }
progress::-webkit-progress-bar { background: #e1e1e5; }
progress::-webkit-progress-value { background: var(--livonne-pink); }
.chapter-body p, .chapter-body li { font-family: var(--serif); font-size: clamp(1.08rem, 1.3vw, 1.18rem); line-height: 1.78; }
.chapter-body h3 { margin: 2.3em 0 .75em; font-size: 2rem; }
.chapter-body blockquote { margin: 2.2em 0; padding-left: 22px; border-left: 3px solid var(--livonne-pink); }
.chapter-body blockquote p { font-size: 1.32rem; }
.chapter-nav { display: flex; justify-content: space-between; gap: 26px; margin-top: 66px; padding-top: 26px; border-top: 1px solid var(--line); }
.chapter-nav a { max-width: 48%; color: var(--pink-deep); font-size: .82rem; font-weight: 800; text-decoration: none; }
.reader-drawer[hidden] { display: none; }
.reader-drawer { position: fixed; z-index: 300; inset: 0; }
.reader-drawer-scrim { position: absolute; inset: 0; width: 100%; border: 0; background: rgba(35,35,39,.58); }
.reader-drawer-panel { position: absolute; top: 0; right: 0; bottom: 0; width: min(88vw, 380px); overflow-y: auto; padding: 26px 20px; background: #fff; box-shadow: -20px 0 60px rgba(35,35,39,.22); }
.reader-drawer-head { display: flex; justify-content: space-between; gap: 18px; align-items: flex-start; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.reader-drawer-head p { margin: 0; color: var(--pink-deep); font-size: .65rem; font-weight: 800; text-transform: uppercase; }
.reader-drawer-head h2 { font-size: 1.8rem; }
.reader-drawer-head button { border: 0; background: transparent; color: var(--pink-deep); font-weight: 800; cursor: pointer; }
.reader-drawer-panel nav { display: grid; margin-top: 18px; }
.reader-drawer-link { display: grid; grid-template-columns: 32px 1fr; padding: 13px 6px; border-bottom: 1px solid var(--line); text-decoration: none; }
.reader-drawer-link[aria-current="page"] { color: var(--pink-deep); font-weight: 800; }
.reader-drawer-home { display: inline-block; margin-top: 28px; color: var(--pink-deep); font-weight: 800; }

.site-footer { padding: 66px 0 24px; border-top: 5px solid var(--livonne-pink); background: #ededf0; color: var(--ink); }
.footer-grid { display: grid; grid-template-columns: 1.35fr .7fr .7fr; gap: 48px; }
.footer-grid .brand { margin-bottom: 18px; }
.footer-grid .small { max-width: 430px; color: var(--muted); }
.footer-links { display: grid; align-content: start; gap: 8px; }
.footer-links b { margin-bottom: 8px; color: var(--pink-deep); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; }
.footer-links a { font-size: .82rem; text-decoration: none; }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; margin-top: 48px; padding-top: 20px; border-top: 1px solid #cfcfd4; color: var(--muted); font-size: .68rem; }
.footer-bottom p:first-child { max-width: 760px; }

@media (max-width: 1024px) {
  .primary-nav { gap: 18px; }
  .section-head { gap: 46px; }
  .continuity-band { grid-template-columns: repeat(2, 1fr); }
  .continuity-band a:nth-child(2) { border-right: 0; }
  .continuity-band a:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .trust-sequence { grid-template-columns: repeat(2, 1fr); }
  .trust-sequence li:nth-child(2) { border-right: 0; }
  .trust-sequence li:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .travel-grid { grid-template-columns: repeat(2, 1fr); }
  .travel-copy { grid-column: 1 / -1; }
}

@media (max-width: 980px) {
  .primary-nav { display: none; }
  .menu-button { display: block; }
  .page-hero-grid, .editorial-scene, .editorial-scene.reverse, .system-stage, .privacy-demo, .founder-grid { grid-template-columns: 1fr; }
  .editorial-scene.reverse > :first-child, .editorial-scene.reverse > :last-child { order: initial; }
  .page-hero .image-frame { max-width: 720px; }
  .founder-portrait { max-width: 520px; }
  .part-grid { grid-template-columns: 1fr; }
  .part-card { display: grid; grid-template-columns: .8fr 1.2fr; }
  .part-card > picture img { height: 100%; aspect-ratio: auto; }
}

@media (max-width: 760px) {
  :root { --wrap: min(100% - 28px, 1180px); }
  body { font-size: 17px; }
  .site-header { height: 70px; padding-inline: 14px; }
  .site-header .brand { width: 142px; }
  .mobile-menu { inset-block-start: 70px; }
  .section { padding: 60px 0; }
  .section-head, .relationship-grid, .product-composition, .moment-grid, .source-scenes, .device-groups, .footer-grid, .travel-grid { grid-template-columns: 1fr; }
  .page-hero { padding: 42px 0 54px; }
  .page-hero-grid { gap: 34px; }
  .page-hero h1 { font-size: clamp(2.8rem, 13vw, 4rem); }
  .expression-logo { max-height: 56px; }
  .hero { min-height: calc(100svh - 70px); }
  .hero-media::after { background: linear-gradient(0deg, rgba(25,26,30,.91) 0%, rgba(25,26,30,.55) 70%, rgba(25,26,30,.18)); }
  .hero-copy { padding: 160px 0 70px; }
  .hero h1 { font-size: clamp(3.8rem, 18vw, 5.5rem); }
  .button { width: 100%; }
  .continuity-band, .trust-sequence { grid-template-columns: 1fr; }
  .continuity-band a, .continuity-band a:nth-child(2), .trust-sequence li, .trust-sequence li:nth-child(2) { min-height: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .continuity-band a:last-child, .trust-sequence li:last-child { border-bottom: 0; }
  .legacy-mark { max-width: 420px; }
  .part-card { display: block; }
  .story-hero { min-height: calc(100svh - 70px); }
  .reader-mobile-toggle { position: sticky; z-index: 60; top: 70px; display: flex; width: 100%; justify-content: space-between; padding: 12px 16px; border: 0; border-block: 1px solid var(--line); background: rgba(255,255,255,.96); color: var(--ink); cursor: pointer; }
  .reader-mobile-toggle span { color: var(--pink-deep); font-size: .68rem; font-weight: 800; text-transform: uppercase; }
  .reader-layout { display: block; }
  .reader-rail { display: none; }
  .reader-chapter { padding: 20px 14px 58px; }
  .reader-hero { margin-bottom: 36px; }
  .reader-hero img { aspect-ratio: 4 / 3; }
  .reader-heading h1 { font-size: clamp(2.8rem, 14vw, 4rem); }
  .chapter-nav { align-items: flex-start; flex-direction: column; }
  .chapter-nav a { max-width: 100%; }
  .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}