/* An approachable, progressive-enhancement layer for the public design brief. */
[hidden]{display:none!important}
html{scroll-padding-top:28px}
body::before{opacity:.45}
button,summary,a{-webkit-tap-highlight-color:transparent}
button{font:inherit}
button,summary{cursor:pointer}
button:focus-visible,summary:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:5px}
button:disabled{cursor:default;opacity:.5}
.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
.skip-link{position:absolute;top:12px;left:12px;z-index:20;background:var(--text);color:var(--bg);padding:12px 20px;transform:translateY(-180%)}
.skip-link:focus{transform:none}
.explore-link{display:inline-flex;align-items:center;justify-content:space-between;gap:48px;min-height:48px;color:var(--text);text-decoration:none;border-bottom:1px solid var(--accent);padding:8px 0}
.explore-link span{color:var(--accent);font-size:22px}
.brief-nav{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:48px}
.brief-nav a{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:56px;border-top:1px solid var(--line-strong);color:var(--text-2);text-decoration:none;font-size:13px}
.brief-nav a:hover{color:var(--text);border-color:var(--accent)}
.brief-nav span{font:11px var(--mono);color:var(--text-3)}
.section-intro{font-size:17px;max-width:650px;line-height:1.65}
#explore{padding-top:64px}
#explore h2,#roadmap h2{font-size:clamp(32px,4.5vw,52px);letter-spacing:-.035em;font-weight:500}
.experience-shell{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:48px;margin-top:40px;align-items:start}
.journey-picker{display:grid;gap:8px;padding-top:12px}
.journey-picker button{display:flex;align-items:center;gap:16px;text-align:left;width:100%;min-height:108px;padding:22px 18px;border:1px solid transparent;border-radius:10px;background:transparent;color:var(--text-2);transition:background .2s,border-color .2s}
.journey-picker button:hover{background:var(--surface)}
.journey-picker button[aria-pressed="true"]{background:var(--surface);border-color:var(--line-strong);color:var(--text)}
.step-num{font:11px var(--mono);color:var(--text-3);align-self:flex-start;padding-top:7px}
.journey-picker button[aria-pressed="true"] .step-num,.journey-picker button[aria-pressed="true"] .step-arrow{color:var(--accent)}
.journey-picker strong{display:block;font-size:19px;font-weight:500;letter-spacing:-.02em}
.journey-picker small{display:block;font-size:13px;color:var(--text-2);margin-top:5px;line-height:1.5}
.step-arrow{margin-left:auto;font-size:22px}
.experience-preview{min-width:0;background:var(--surface);border:1px solid var(--line-strong);border-radius:16px;padding:28px;box-shadow:0 24px 65px #0003;position:relative}
.preview-top{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-bottom:28px;border-bottom:1px solid var(--line);font:10px var(--mono);color:var(--text-2)}
.mini-wordmark{font:600 13px var(--display);letter-spacing:.15em;color:var(--text);white-space:nowrap}
.mini-wordmark span{color:var(--accent);font-size:23px;vertical-align:-2px;margin-right:8px}
.moment-panel{position:relative;padding-top:32px;min-height:398px}
.moment-panel + .moment-panel{border-top:1px solid var(--line);margin-top:24px}
.experience-ready .moment-panel{margin-top:0;border:0}
.preview-kicker{display:block;color:var(--text-2);font:10px var(--mono);letter-spacing:.15em;text-transform:uppercase;margin-bottom:20px}
.moment-panel h3{font:500 clamp(28px,3vw,36px)/1.15 var(--display);text-transform:none;letter-spacing:-.035em;margin-bottom:18px}
.moment-panel>p{font-size:14px;line-height:1.6}
.sun-art{position:absolute;right:0;top:31px;color:var(--accent);font:36px/1 var(--display)}
.mood-choices{display:flex;gap:8px;margin:28px 0 18px;flex-wrap:wrap}
.mood-choices button{flex:1;min-height:44px;padding:10px 12px;background:var(--surface-2);color:var(--text);border:1px solid var(--line-strong);border-radius:24px;font-size:13px}
.mood-choices button[aria-pressed="true"]{color:var(--accent);border-color:var(--accent)}
.demo-save{display:flex;justify-content:space-between;gap:16px;width:100%;min-height:48px;padding:13px 18px;background:var(--accent);color:var(--bg);border:0;border-radius:5px;font-size:14px;font-weight:500}
.demo-message{min-height:40px;margin-top:12px;font-size:12px;color:var(--text-2)}
.demo-message[data-saved="true"]{color:var(--text)}
.preview-disclosure{border-top:1px solid var(--line);padding-top:18px;margin:8px 0 0;font-size:11px;line-height:1.7;color:var(--text-2)}
.sample-timeline{padding:10px 0 10px 16px;margin-top:22px}
.sample-timeline>div{border-left:1px solid var(--line-strong);padding:0 0 22px 24px;position:relative;display:grid;gap:3px}
.sample-timeline>div:last-child{padding-bottom:4px}
.sample-timeline span:not(.timeline-dot){font:10px var(--mono);color:var(--text-2)}
.sample-timeline strong{font-size:14px}.sample-timeline small{font-size:11px}
.timeline-dot{position:absolute;left:-4px;top:4px;width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 5px var(--surface)}
.sample-reading,.sample-control{margin:24px 0 0;border-top:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong)}
.sample-reading summary,.sample-control summary{display:flex;align-items:center;gap:14px;min-height:68px;padding:16px 0;color:var(--text);font-size:14px;list-style:none}
summary::-webkit-details-marker{display:none}
.sample-reading summary>span:last-child,.sample-control summary>span{margin-left:auto;font-size:20px}
.sample-reading summary small{display:block;font-size:11px;color:var(--text-2);margin-top:5px}
.reading-number{font:13px var(--mono);color:var(--accent)}
.sample-reading>div,.sample-control>p{font-size:13px;padding:0 0 16px}
.sample-label,.preview-footnote{font-size:11px!important;color:var(--text-2)}
.preview-footnote{margin-top:18px}
.sample-control+.sample-control{margin-top:0;border-top:0}
.deep-read{border-top:1px solid var(--line-strong);border-bottom:1px solid var(--line);margin-top:28px}
.deep-read>summary{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px;padding:18px 0;color:var(--text);font-size:16px;list-style:none}
.deep-read>summary span{font:24px var(--mono);color:var(--accent);transition:transform .2s}
.deep-read[open]>summary span{transform:rotate(45deg)}
.deep-content{padding:6px 0 24px;max-width:100%}
.deep-content .cols{margin-top:12px}
.section-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:24px}
.roadmap-date{font:10px var(--mono);white-space:nowrap;border:1px solid var(--line-strong);border-radius:20px;padding:10px 14px;margin-top:5px}
.release-note{display:flex;align-items:flex-start;gap:14px;padding:18px 20px;background:var(--surface);border:1px solid var(--line-strong);border-radius:8px;margin:24px 0 28px;max-width:800px}
.release-note strong{font-size:13px}.release-note p{font-size:12px;margin:4px 0 0;max-width:100%}
.status-dot{width:7px;height:7px;border-radius:50%;background:var(--caution);flex:none;margin-top:9px}
.feature-filters{display:flex;gap:8px;flex-wrap:wrap;margin:28px 0}
.feature-filters button{border:1px solid var(--line-strong);background:transparent;color:var(--text-2);min-height:44px;padding:10px 16px;border-radius:24px;font-size:13px}
.feature-filters button[aria-pressed="true"]{border-color:var(--text);background:var(--text);color:var(--bg)}
.feature-filters span{margin-left:12px;opacity:.65;font:11px var(--mono)}
.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:26px;align-items:start}
.feature-card{background:var(--surface);border:1px solid var(--line-strong);border-radius:10px;overflow:hidden;padding:22px 22px 0;min-width:0}
.feature-meta{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:28px}
.feature-number{font:11px var(--mono);color:var(--text-3)}
.feature-state{font-size:10px;line-height:1.4;display:flex;align-items:center;gap:6px}
.feature-state.live::before{content:"";height:5px;width:5px;border-radius:50%;background:var(--accent)}
.feature-state.planned{border:1px dashed var(--line-strong);padding:3px 7px;border-radius:3px}
.feature-card>h3{font:500 22px/1.2 var(--display);letter-spacing:-.025em;text-transform:none;min-height:53px;margin-bottom:10px}
.feature-card>p{font-size:13px;line-height:1.6;min-height:62px;margin-bottom:24px}
.feature-card details{border-top:1px solid var(--line-strong)}
.feature-card summary{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:58px;font-size:11px;color:var(--text);list-style:none}
.feature-card summary span{font-size:22px;color:var(--text-2)}
.feature-card details[open] summary span{transform:rotate(45deg)}
.feature-detail{padding:0 0 20px;font-size:12px;line-height:1.75}
.feature-detail p:last-child{margin-bottom:0}
.feature-original{color:var(--text);font-weight:500}
.brief-outro{display:flex;justify-content:space-between;gap:24px;align-items:center;padding:30px 0 50px}
.brief-outro p{font-size:clamp(26px,4vw,40px);line-height:1.2;letter-spacing:-.035em;margin:0}
.brief-outro a{display:flex;gap:28px;align-items:center;min-height:48px;color:var(--text);font-size:13px;text-decoration:none;border-bottom:1px solid var(--accent)}
@media(min-width:761px){.experience-shell:not(.experience-ready){display:block}.experience-shell:not(.experience-ready) .experience-preview{max-width:620px}}
@media(max-width:900px){.experience-shell{gap:24px}.feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.journey-picker strong{font-size:17px}.experience-preview{padding:24px}}
@media(max-width:760px){.experience-shell{grid-template-columns:minmax(0,1fr);gap:20px}.journey-picker{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.journey-picker button{padding:14px 12px;min-height:92px;gap:10px}.journey-picker strong{font-size:15px}.journey-picker small,.step-arrow{display:none}.step-num{padding-top:3px}.brief-nav{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 24px}.moment-panel{min-height:375px}.section-heading{display:block}.roadmap-date{display:inline-block;margin-bottom:18px}.brief-outro{align-items:flex-start;flex-direction:column}}
@media(max-width:480px){.feature-grid{grid-template-columns:minmax(0,1fr)}.feature-card>h3,.feature-card>p{min-height:0}.feature-meta{margin-bottom:20px}.feature-card>p{margin-bottom:22px}.preview-top{font-size:9px}.experience-preview{padding:22px}.feature-filters{gap:6px}.feature-filters button{padding:10px 12px;font-size:12px}.feature-filters span{margin-left:7px}.moment-panel h3{font-size:30px}.sun-art{font-size:30px}.hero{padding-top:40px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}

.mini-wordmark{display:inline-flex;align-items:center;gap:8px}.mini-wordmark svg{width:24px;height:24px;flex:none}

/* Public access enquiries use the published support inbox. */
.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:16px 24px}
.request-access{display:inline-flex;align-items:center;justify-content:space-between;gap:28px;min-height:48px;box-sizing:border-box;padding:13px 20px;background:var(--accent);color:var(--bg);border:1px solid var(--accent);border-radius:4px;text-decoration:none;font-size:14px;font-weight:600;transition:background .2s var(--ease)}
.request-access:hover{background:#ff8a55}
.hero-actions .explore-link{gap:24px}
.access-help{font-size:12px;line-height:1.6;margin-top:14px;color:var(--text-2);overflow-wrap:anywhere}
.access-help a{color:inherit;text-underline-offset:3px}
@media(max-width:480px){.hero-actions{align-items:stretch}.request-access{width:100%}.access-help{font-size:12px}}
@media(prefers-reduced-motion:reduce){.request-access{transition:none}}

/* Draw icons explicitly: Unicode arrows can become emoji on iOS. */
.ui-icon{display:inline-block;width:20px;height:20px;flex:none;vertical-align:middle}
.ui-icon-sun{width:36px;height:36px}
.back{display:inline-flex;align-items:center;gap:10px}
.back .ui-icon{width:16px;height:16px}
.hero-copy .lede{margin-bottom:0}
.hero-actions{margin-top:28px;row-gap:20px}
.request-access{min-height:54px;padding:15px 20px}
.hero-actions .explore-link{gap:24px}
.access-help{margin-top:16px}
.demo-save{align-items:center}
@media(max-width:480px){.hero-actions{margin-top:28px;row-gap:20px}.request-access{min-height:56px;padding:16px 20px}.ui-icon-sun{width:30px;height:30px}}

/* Shared by every FT Experiments design brief: the hero carries exactly two actions - Open the app (filled) and Read the brief (outlined) - as pills 52px tall, 14px, weight 500, with the arrow as a text glyph. */
.hero-actions .request-access,.hero-actions .explore-link{justify-content:center;gap:8px;min-height:52px;padding:0 22px;border-radius:999px;font-size:14px;font-weight:500;line-height:1;text-decoration:none;box-sizing:border-box}
.hero-actions .explore-link{border:1px solid rgba(242,239,234,.35);color:var(--text)}
.hero-actions .request-access span,.hero-actions .explore-link span{font-size:inherit;color:inherit}
@media(max-width:480px){.hero-actions .request-access,.hero-actions .explore-link{min-height:52px;padding:0 22px}}