/* WhatsBackUp: a living collection, with motion under the visitor's control. */
:root { --paper:#f5f5f1; --paper-2:#eaeae3; --paper-3:#deded4; --ink:#20221f; --ink-2:#51564d; --ink-3:#666b60; --rule:#d1d3c8; --rule-2:#a5aa9a; --accent:#9b380d; --accent-2:#772900; --on-accent:#fff; --orange:#ff8956; --night:#1b201c; --sans:"Segoe UI",Arial,sans-serif; --maxw:1440px; --gut:clamp(22px,5vw,80px); }
.site-head { position:relative; background:var(--paper); border-bottom-color:var(--rule); }
.site-head .wrap { padding-block:24px; }
.brand .mark { font-weight:800; font-size:23px; letter-spacing:-1px; }
.brand-icon { display:none; }
.brand .mark i { color:inherit; }
.brand::before { content:'↙'; font:700 26px/1 var(--sans); color:var(--accent); margin-right:2px; }
.nav a { font-size:14px; }
.nav .nav-download { border-radius:0; padding:11px 18px; }
.btn { border-radius:0; font-size:16px; min-height:54px; padding:16px 22px; }
.btn-2 { border-color:var(--rule-2); }
.cinema { --ink:#20221f; }
.cinema section { padding:100px 0; }
.cinema .film-hero { background:var(--night); color:#f5f5ef; padding:0; overflow:hidden; position:relative; }
.film-topline { display:flex; justify-content:space-between; gap:24px; padding:26px 0 0; color:#b4c0b2; font:500 12px/1.5 var(--sans); letter-spacing:.12em; text-transform:uppercase; }
.film-topline a { color:#dbe6d8; }
.film-grid { display:grid; grid-template-columns:1.05fr .95fr; min-height:690px; align-items:center; position:relative; }
.film-copy { position:relative; z-index:5; padding:55px 0 75px; pointer-events:none; }
.film-copy a { pointer-events:auto; }
.film-copy h1 { font-size:clamp(68px,8.2vw,118px); font-weight:750; letter-spacing:-.073em; line-height:.93; margin:0 0 32px; max-width:8ch; }
.film-copy h1 em { font-family:Georgia,serif; font-weight:400; letter-spacing:-.065em; color:var(--orange); white-space:nowrap; }
.film-copy .film-lede { max-width:38ch; font-size:18px; line-height:1.65; color:#c7d1c3; margin:0 0 28px; }
.film-copy .film-lede strong { color:#f5f5ef; font-weight:500; }
.film-cta { display:flex; align-items:center; gap:22px; flex-wrap:wrap; }
.film-cta .btn { background:var(--orange); border-color:var(--orange); color:#27190e; }
.film-cta .btn:hover { background:#ffa379; }
.film-cta > a:not(.btn) { color:#e1e9da; font-size:15px; }
.film-small { font-size:13px; color:#a7b5a2; margin:16px 0 0; }
.archive-stage { height:580px; min-width:0; position:relative; perspective:1100px; perspective-origin:50% 45%; isolation:isolate; }
.orbit { position:absolute; inset:0; transform-style:preserve-3d; transform:rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg)); transition:transform .7s ease-out; }
.fragment { position:absolute; margin:0; transform-style:preserve-3d; will-change:auto; box-shadow:8px 25px 40px #0004; backface-visibility:hidden; }
.fragment-photo { width:260px; top:66px; left:28%; background:#f6f4e8; color:#252d22; padding:10px 10px 0; transform:translate3d(0,0,80px) rotate(-9deg) rotateY(-12deg); }
.fragment-photo img { width:100%; height:238px; object-fit:cover; display:block; }
.fragment-photo figcaption { padding:12px 3px 14px; font:500 14px/1.3 var(--sans); }
.fragment-photo figcaption small { display:block; color:#72786a; font-size:12px; margin-top:5px; }
.fragment-chat { top:370px; left:4%; width:260px; background:#d9e7c7; color:#20321c; padding:23px; transform:translate3d(0,0,100px) rotate(5deg) rotateY(9deg); }
.fragment-chat .fragment-source { display:block; font-size:12px; margin-bottom:12px; color:#506249; }
.fragment-chat p { font:500 22px/1.2 Georgia,serif; margin:0; }
.fragment-chat small { display:block; text-align:right; margin-top:12px; font-size:12px; }
.fragment-file { right:-5%; top:350px; padding:19px 22px; width:235px; background:#e6b59b; color:#38261a; transform:translate3d(0,0,40px) rotate(11deg) rotateY(-12deg); }
.fragment-file > span { display:block; font:650 12px/1.4 var(--sans); letter-spacing:.09em; margin-bottom:16px; }
.fragment-file b { font-size:19px; font-weight:550; display:block; }
.fragment-file small { font-size:12px; display:block; margin-top:7px; }
.fragment-idea { left:0; top:52px; width:175px; padding:18px; border:1px solid #87907b; background:#303a2e; transform:translate3d(0,0,-30px) rotate(-15deg); color:#d6e8c4; }
.fragment-idea b { display:block; font:400 25px/1 Georgia,serif; margin:22px 0 12px; }
.fragment-idea small { font-size:12px; }
.archive-label { position:absolute; bottom:0; left:10%; width:85%; display:flex; justify-content:space-between; border-top:1px solid #4c5747; padding-top:14px; font-size:12px; color:#a9b79f; }
.stage-coordinates { position:absolute; top:18px; right:0; font:400 12px/1 var(--mono); color:#82917a; letter-spacing:.1em; }
.film-bottom { display:flex; align-items:center; justify-content:space-between; gap:24px; padding:20px 0 26px; border-top:1px solid #3d4739; color:#adbba4; font-size:13px; }
.film-bottom > a { color:#e1e9da; text-decoration:none; }
.experience-controls { position:fixed; right:18px; bottom:18px; z-index:60; display:flex; gap:5px; padding:5px; background:#1b201cf5; border:1px solid #677460; box-shadow:0 4px 20px #0002; }
.experience-controls button { border:1px solid #66725d; background:none; color:#dce9d1; padding:10px 12px; font:500 12px/1 var(--sans); cursor:pointer; min-height:44px; }
.experience-controls button:hover { border-color:#f9ae84; color:#f9ae84; }
.experience-controls button[aria-pressed=true] { background:#34422e; }
.film-hero :focus-visible { outline-color:var(--orange); }
.motion-on .fragment-photo { animation:float-photo 10s ease-in-out infinite; }
.motion-on .fragment-chat { animation:float-chat 12s ease-in-out infinite; }
.motion-on .fragment-file { animation:float-file 11s ease-in-out infinite; }
.motion-on .fragment-idea { animation:float-idea 14s ease-in-out infinite; }
@keyframes float-photo { 0%,100%{transform:translate3d(0,0,80px) rotate(-9deg) rotateY(-12deg)} 50%{transform:translate3d(5px,-17px,100px) rotate(-5deg) rotateY(4deg)} }
@keyframes float-chat { 0%,100%{transform:translate3d(0,0,100px) rotate(5deg) rotateY(9deg)} 50%{transform:translate3d(-7px,14px,55px) rotate(1deg) rotateY(-4deg)} }
@keyframes float-file { 0%,100%{transform:translate3d(0,0,40px) rotate(11deg) rotateY(-12deg)} 50%{transform:translate3d(5px,-12px,80px) rotate(7deg) rotateY(5deg)} }
@keyframes float-idea { 0%,100%{transform:translate3d(0,0,-30px) rotate(-15deg)} 50%{transform:translate3d(-10px,15px,0) rotate(-8deg)} }
@media(max-width:1100px) { .film-grid { grid-template-columns:1fr 1fr; min-height:650px; } .film-copy h1 { font-size:clamp(68px,8.6vw,96px); } .fragment-photo { width:220px; left:22%; } .fragment-photo img { height:200px; } .fragment-chat { width:225px; left:0; } .fragment-file { width:200px; right:-8%; } .fragment-idea { width:145px; left:-5%; } }
@media(max-width:800px) { .film-grid { grid-template-columns:1fr; } .film-copy { padding:55px 0 15px; } .film-copy h1 { font-size:clamp(66px,12vw,100px); max-width:12ch; } .film-copy .film-lede { max-width:47ch; } .archive-stage { height:470px; width:100%; max-width:580px; margin:auto; } .fragment-photo { top:28px; left:32%; } .fragment-chat { top:275px; left:7%; } .fragment-file { top:285px; right:0; } .fragment-idea { top:45px; left:5%; } .archive-label { bottom:20px; left:7%; width:93%; } .film-bottom { flex-wrap:wrap; } .film-topline { font-size:12px; } }
@media(max-width:480px) { .film-topline > span { max-width:19ch; } .film-topline a { text-align:right; } .film-copy h1 { font-size:clamp(61px,14vw,78px); } .film-copy .film-lede { font-size:17px; } .archive-stage { height:415px; } .fragment-photo { width:190px; left:28%; } .fragment-photo img { height:174px; } .fragment-chat { top:250px; left:0; width:190px; padding:18px; } .fragment-chat p { font-size:19px; } .fragment-idea { width:126px; padding:15px; left:0; } .fragment-idea b { font-size:22px; } .fragment-file { width:160px; top:245px; right:-4%; padding:17px; } .fragment-file b { font-size:16px; } .archive-label { left:0; width:100%; font-size:12px; } .film-bottom { gap:16px; } }
@media(prefers-reduced-motion:reduce) { .fragment { animation:none!important; } .orbit { transform:none!important; transition:none!important; } }

.eyebrow { display:block; font:600 12px/1.6 var(--sans); letter-spacing:.12em; margin-bottom:25px; }
.editorial-intro h2,.index-heading h2,.status-editorial h2,.release-layout h2,.quiet-start h2 { font-size:clamp(36px,4.8vw,68px); line-height:1.06; letter-spacing:-.055em; font-weight:650; }
.editorial-intro h2 em,.index-heading h2 em,.status-editorial h2 em,.release-layout h2 em,.quiet-start h2 em { font:400 1.03em/1.06 Georgia,serif; letter-spacing:-.05em; }
.editorial-intro > p { max-width:55ch; margin:28px 0 0; font-size:18px; color:var(--ink-2); }
.audience-layout { display:grid; grid-template-columns:.85fr 1.15fr; gap:75px; margin-top:55px; }
.audience-tabs { display:flex; flex-direction:column; overflow:visible; gap:0; border:0; padding:0; align-self:start; }
.audience-tabs button { text-align:left; display:flex; align-items:center; gap:20px; border:0; border-top:1px solid var(--rule-2); color:var(--ink-3); font:500 22px/1.25 var(--sans); padding:24px 0; white-space:normal; }
.audience-tabs button:last-child { border-bottom:1px solid var(--rule-2); }
.audience-tabs button > span:first-child { font:400 12px/1 var(--mono); }
.audience-tabs button > span:last-child { margin-left:auto; font-size:24px; }
.audience-tabs button[aria-selected=true] { color:var(--ink); border-color:var(--rule-2); }
.audience-tabs button[aria-selected=true] > span:last-child { color:var(--accent); }
.audience-panels { min-width:0; }
.audience-panel { border-left:3px solid var(--accent); padding:0 0 0 35px; min-height:505px; }
.audience-for { font:600 12px/1.6 var(--sans); letter-spacing:.08em; color:var(--accent); }
.audience-panel h3 { font:600 36px/1.15 var(--sans); letter-spacing:-.04em; margin:20px 0 26px; }
.outcome-list { margin:0 0 25px; }
.outcome-list > div { margin:0 0 21px; }
.outcome-list dt { font-size:16px; font-weight:600; margin-bottom:5px; }
.outcome-list dd { margin:0; font-size:16px; color:var(--ink-2); line-height:1.55; max-width:48ch; }
.text-link { font-size:15px; font-weight:600; text-underline-offset:5px; }
.cinema .archive-story { background:#e4e7dd; padding-bottom:65px; }
.story-layout { display:grid; grid-template-columns:1fr 1fr; gap:90px; margin-top:25px; position:relative; }
.story-chapter { min-height:330px; padding:60px 0; }
.chapter-title { border:0; background:none; padding:0; text-align:left; color:var(--ink); cursor:pointer; display:block; width:100%; }
.chapter-title > span { display:block; color:var(--ink-3); font:500 12px/1.5 var(--mono); letter-spacing:.08em; margin-bottom:18px; }
.chapter-title > strong { display:block; font:600 30px/1.15 var(--sans); letter-spacing:-.035em; }
.chapter-title[aria-pressed=true] > span { color:var(--accent); }
.chapter-title:hover > strong { color:var(--accent); }
.story-chapter p { color:var(--ink-2); font-size:17px; margin:20px 0 0; max-width:44ch; }
.story-chapter .chapter-note { font-size:14px; margin-top:15px; }
.story-stage { position:sticky; top:50px; align-self:start; margin-top:65px; height:460px; background:#253223; color:#edf3df; padding:28px; overflow:hidden; perspective:900px; }
.story-top { display:flex; justify-content:space-between; gap:16px; font:500 12px/1.5 var(--mono); color:#c0cfb6; letter-spacing:.04em; }
.story-top > span:last-child { font:400 24px/1 var(--sans); }
.story-files { position:relative; height:275px; transform-style:preserve-3d; }
.story-file { display:flex; align-items:center; gap:14px; position:absolute; width:100%; left:0; background:#f3f4e9; color:#243521; padding:18px; box-shadow:4px 10px 20px #0002; transform-origin:50% 50%; }
.motion-allowed .story-file { transition:transform .9s cubic-bezier(.2,.65,.25,1),background .6s ease; }
.story-file-1 { top:30px; }
.story-file-2 { top:113px; }
.story-file-3 { top:196px; }
.story-file b { font:600 15px/1.3 var(--sans); overflow-wrap:anywhere; }
.story-file small { display:block; margin-top:5px; font-size:12px; color:#6a7460; }
.file-kind { font:600 12px/1 var(--mono); color:#6f784f; flex:none; }
.file-check { margin-left:auto; opacity:0; color:#305a26; }
.story-stage[data-active="0"] .story-file-1 { transform:translate3d(-16px,12px,25px) rotate(-8deg); }
.story-stage[data-active="0"] .story-file-2 { transform:translate3d(18px,5px,50px) rotate(5deg); }
.story-stage[data-active="0"] .story-file-3 { transform:translate3d(-12px,8px,15px) rotate(-4deg); }
.story-stage[data-active="1"] .story-file { transform:translate3d(0,0,0) rotate(0); }
.story-stage[data-active="2"] .story-file { transform:translate3d(0,0,0) rotate(0); background:#dce9c8; }
.story-stage[data-active="2"] .file-check { opacity:1; }
.story-caption { border-top:1px solid #5b6c4f; padding-top:19px; }
.story-caption p { margin:0; }
.story-caption b { display:block; font:500 20px/1.2 Georgia,serif; }
.story-caption span { display:block; color:#c1cfb4; font-size:13px; margin-top:7px; }
.story-sample { position:absolute; bottom:13px; font-size:12px; color:#9daf8f; }
.index-heading { display:grid; grid-template-columns:1.25fr 1fr; gap:25px 80px; align-items:end; margin-bottom:45px; }
.index-heading .eyebrow { grid-column:1/-1; margin:0; }
.index-heading > p { font-size:17px; color:var(--ink-2); margin:0; }
.tool-ledger { border-top:1px solid var(--rule-2); }
.tool-ledger details { border-bottom:1px solid var(--rule-2); }
.tool-ledger summary { display:grid; grid-template-columns:40px 1fr 1fr 30px; gap:20px; align-items:center; padding:25px 0; list-style:none; cursor:pointer; }
.tool-ledger summary::-webkit-details-marker { display:none; }
.tool-number { font:400 12px/1 var(--mono); color:var(--ink-3); }
.tool-ledger summary strong { font:550 23px/1.3 var(--sans); letter-spacing:-.03em; }
.tool-subtitle { font-size:15px; color:var(--ink-2); }
.tool-plus { font:400 26px/1 var(--sans); color:var(--accent); }
.tool-ledger details[open] .tool-plus { transform:rotate(45deg); }
.tool-ledger details > p { max-width:70ch; margin:0 60px 28px; font-size:17px; color:var(--ink-2); }
.cinema .status-interlude { background:#ed9368; }
.status-editorial { display:grid; grid-template-columns:1.2fr 1fr; gap:90px; align-items:center; }
.status-editorial h2 { font-size:clamp(34px,4vw,57px); }
.status-editorial > div > p { font-size:17px; margin:25px 0; max-width:45ch; color:#4b3526; }
.status-timetable { border-top:2px solid #774629; transform:rotate(2deg); }
.status-timetable > div { display:flex; gap:25px; padding:22px 0; border-bottom:1px solid #a86340; }
.status-timetable time { font:400 28px/1 Georgia,serif; }
.status-timetable > div > span { font-size:18px; }
.status-timetable small { display:block; font-size:14px; margin-top:7px; color:#543826; }
.status-timetable .timetable-head { justify-content:space-between; padding:18px 0; }
.status-timetable .timetable-head span { font-size:12px; }
.status-timetable > p { font-size:13px; margin-top:18px; }
.release-layout { display:grid; grid-template-columns:1fr 1.1fr; gap:90px; }
.release-layout h2 { font-size:clamp(36px,4vw,57px); }
.release-layout > div > p { color:var(--ink-2); font-size:17px; margin:25px 0; }
.release-list { list-style:none; padding:0; margin:0; }
.release-list li { padding:23px 0; border-top:1px solid var(--rule); }
.release-list li:first-child { padding-top:0; border-top:0; }
.release-list b { display:block; font:600 20px/1.3 var(--sans); margin-bottom:10px; }
.release-list span { display:block; font-size:16px; color:var(--ink-2); }
.cinema .quiet-start { text-align:center; background:var(--night); color:#f3f4e9; }
.quiet-start h2 em { color:var(--orange); }
.quiet-start .eyebrow { color:#afbea5; }
.start-line { display:flex; justify-content:center; gap:35px; margin:42px 0 25px; flex-wrap:wrap; }
.start-line p { font-size:15px; color:#c5d0bd; }
.start-line b { display:block; font:400 22px/1.4 Georgia,serif; color:var(--orange); margin-bottom:10px; }
.quiet-start .btn { color:#211b12; background:var(--orange); border-color:var(--orange); }
.quiet-start .btn:hover { background:#ffad80; }
.quiet-start .start-reassurance { font-size:13px; margin:20px auto 0; color:#c2cfb8; max-width:65ch; }
.quiet-start .start-limit { font-size:13px; margin:18px auto 0; color:#acbca0; max-width:68ch; }
.quiet-start :focus-visible { outline-color:var(--orange); }
.cinema .faq-section { padding:90px 0; }
.cinema .faq-layout { gap:75px; }
.cinema .section-kicker { color:var(--ink-3); }
.site-foot { background:#e5e8dc; color:#23301f; }
.site-foot p,.site-foot .colophon,.site-foot .set { color:#56604c!important; }
.site-foot .colophon { border-color:#bac2ad; }
.site-foot h2 { color:#34432a; }
.site-foot :focus-visible { outline-color:var(--accent); }
.cinema .site-foot { padding-bottom:100px; }
.feature-card,.install-notes,.data-table,.table-scroll,.trust-box { border-radius:0; }
.install-notes { background:#e7eadf; border:0; border-top:3px solid #b46336; }
.download-hero { background:#f5f5f1; }
.data-table-head,.table-scroll thead th { background:#e5e8dc; }
.topic-nav a { border-radius:0; background:#e7eadf; }
.data-table-row { background:#fafaf6; }
.audience-tabs button:focus-visible,.chapter-title:focus-visible { outline-offset:6px; }
@media(max-width:1050px) { .audience-layout,.story-layout,.status-editorial,.release-layout { gap:45px; } .story-stage { padding:23px; } .story-file { padding:15px 12px; gap:10px; } .audience-tabs button { font-size:20px; gap:13px; } .audience-panel { padding-left:25px; } .audience-panel h3 { font-size:31px; } }
@media(max-width:800px) { .cinema section { padding:65px 0; } .audience-layout { grid-template-columns:1fr; gap:32px; margin-top:35px; } .audience-tabs { flex-direction:row; flex-wrap:wrap; gap:10px; } .audience-tabs button,.audience-tabs button:last-child { padding:12px 15px; border:1px solid var(--rule-2); font-size:15px; } .audience-tabs button > span { display:none; } .audience-tabs button[aria-selected=true] { background:var(--ink); color:var(--paper); } .audience-panel { min-height:0; } .story-layout { gap:25px; } .story-stage { padding:20px; height:475px; top:25px; } .story-file { gap:8px; padding:14px 10px; } .story-file b { font-size:13px; } .story-file small { font-size:12px; } .file-kind { font-size:12px; } .chapter-title > strong { font-size:26px; } .story-chapter p { font-size:16px; } .index-heading { gap:24px; } .tool-ledger summary { grid-template-columns:25px 1fr 25px; gap:15px; } .tool-subtitle { display:none; } .tool-ledger summary strong { font-size:22px; } .tool-ledger details > p { margin-left:40px; margin-right:10px; font-size:16px; } .status-editorial,.release-layout { grid-template-columns:1fr; gap:45px; } .status-timetable { max-width:600px; transform:none; } .start-line { gap:25px; } }
@media(max-width:600px) { .editorial-intro h2,.index-heading h2,.quiet-start h2 { font-size:37px; } .editorial-intro > p { font-size:17px; } .story-layout { display:flex; flex-direction:column; gap:0; } .story-stage { order:-1; position:relative; top:0; margin:30px 0 10px; height:430px; width:100%; } .story-file b { font-size:15px; } .story-files { height:270px; } .story-chapter { padding:32px 0; min-height:0; border-bottom:1px solid #c4cbb7; } .story-chapter:last-child { border:0; } .story-caption b { font-size:18px; } .story-sample { bottom:9px; } .index-heading { display:block; } .index-heading h2 { margin:22px 0; } .tool-ledger summary strong { font-size:20px; } .tool-ledger summary { padding:21px 0; } .start-line { display:block; text-align:left; max-width:290px; margin:30px auto; } .start-line p { margin-bottom:18px; } .start-line b { display:inline-block; width:30px; margin:0 8px 0 0; } .eyebrow { font-size:12px; } .audience-panel { padding-left:20px; } .audience-panel h3 { font-size:29px; } .cinema .faq-section { padding:65px 0; } }
@media(prefers-reduced-motion:reduce) { .story-file { transition:none!important; } }