@font-face {
  font-family: "Xingcui Hero";
  src: url("./fonts/noto-sans-sc-hero-450-650.woff2") format("woff2");
  font-style: normal;
  font-weight: 450 650;
  font-display: swap;
  unicode-range: U+3002, U+4E00, U+4E0B, U+4E2A, U+4E3A, U+4EBA, U+4F1A, U+53D1, U+53EF, U+540C, U+5947, U+597D, U+5F97, U+5FC3, U+60F3, U+6210, U+65B0, U+66F4, U+6709, U+673A, U+6B65, U+6CD5, U+73B0, U+7684, U+80FD, U+89C1, U+8BA9, U+8D70, U+8DEF, U+8FDC, U+9047, U+FF0C;
}
:root {
  color-scheme: light;
  --ink: var(--xc-ink);
  --muted: var(--xc-ink);
  --paper: #fff;
  --canvas: var(--xc-canvas);
  --line: var(--xc-silver);
  --link: var(--ink);
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", "Microsoft YaHei", sans-serif;
  --display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--font); -webkit-font-smoothing: antialiased; }
::selection { background: var(--xc-wash); color: var(--xc-ink); }
button, input { font: inherit; }
a { color: inherit; text-decoration: none; }
button, summary { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
button:disabled { cursor: default; }
button, a, summary { touch-action: manipulation; }
button:focus-visible, a:focus-visible, summary:focus-visible, [tabindex]:focus-visible { outline: 3px solid var(--link); outline-offset: 6px; }
main:focus, main>section:focus, .hero-scene:focus { outline: none; }
[hidden] { display: none !important; }
img, svg { display: block; max-width: 100%; }
figure, h1, h2, h3, p { margin: 0; }
.content-width { max-width: 1200px; margin-inline: auto; }
.skip-link { position: fixed; z-index: 20; top: 10px; left: 20px; padding: 12px 20px; background: white; border-radius: 12px; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.welcome-header { position: sticky; z-index: 10; top: 0; background: rgb(255 255 255 / 94%); border-bottom: 1px solid var(--xc-line); backdrop-filter: blur(20px); }
.header-inner { min-height: 62px; max-width: 1440px; margin: auto; padding: 0 52px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; justify-self: start; gap: 10px; min-height: 44px; font-size: 20px; font-weight: 600; white-space: nowrap; }
.brand-symbol { display: inline-grid; place-items: center; width: 31px; height: 31px; background: var(--ink); color: white; border-radius: 10px; font-size: 16px; font-weight: 650; letter-spacing: -.06em; }
.brand-symbol svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; }
.desktop-links { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 28px; }
.desktop-links > a:first-child { justify-self: end; }
.desktop-links > a:last-child { justify-self: start; }
.desktop-links a { display: flex; align-items: center; min-height: 48px; font-size: 12px; color: var(--xc-ink); }
.desktop-links a:hover { color: var(--link); }
.desktop-links a[aria-current="location"], .mobile-menu a[aria-current="location"] { color: var(--link); }
.desktop-links a { position: relative; }
.desktop-links a:after { content: ""; position: absolute; bottom: 5px; inset-inline: 0; height: 2px; background: currentColor; transform: scaleX(0); transition: transform .22s ease; }
.desktop-links a[aria-current="location"]:after { transform: scaleX(1); }
.desktop-links a.nav-opc, .mobile-menu a.nav-opc { color: var(--ink); }
.desktop-links a.nav-opc { font-size: 14px; }
.nav-opc span { display: inline-flex; align-items: center; justify-content: center; min-height: 32px; padding-inline: 16px; border: 1px solid var(--xc-field); border-radius: 8px; background: linear-gradient(180deg, var(--xc-canvas) 0%, var(--xc-wash) 50%, var(--xc-silver) 100%); box-shadow: inset 0 1px 0 rgb(255 255 255 / 85%), inset 0 -1px 0 rgb(34 35 33 / 18%), 0 1px 2px rgb(34 35 33 / 10%); font-weight: 600; transition: background .18s ease, border-color .18s ease, box-shadow .18s ease; }
.nav-opc:hover span { background: linear-gradient(180deg, var(--xc-wash) 0%, var(--xc-silver) 50%, var(--xc-silver) 100%); border-color: var(--xc-field); box-shadow: inset 0 1px 0 rgb(255 255 255 / 90%), inset 0 -1px 0 rgb(34 35 33 / 18%), 0 2px 4px rgb(34 35 33 / 13%); }
.desktop-links a.nav-opc[aria-current="location"], .mobile-menu a.nav-opc[aria-current="location"] { color: var(--link); }
.nav-opc[aria-current="location"] span { background: linear-gradient(180deg, var(--xc-wash) 0%, var(--xc-wash) 50%, var(--xc-silver) 100%); border-color: var(--xc-field); }
.desktop-links .nav-opc:after { background: var(--link); }
.header-actions { display: flex; align-items: center; justify-self: end; gap: 14px; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 14px; min-height: 48px; padding: 13px 25px; border-radius: 999px; background: var(--ink); color: white; font-size: 16px; line-height: 1.3; font-weight: 400; transition: background .18s ease, transform .18s ease; white-space: nowrap; }
.button:hover { background: var(--xc-ink); transform: translateY(-1px); }
.button:active { transform: translateY(0); }
.button-platform { background: var(--ink); }
.button-platform:hover { background: var(--xc-ink); }
.button-platform:active { background: var(--xc-ink); }
.button-small { min-height: 36px; font-size: 12px; padding: 10px 19px; gap: 9px; }
.text-link { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; color: var(--link); font-size: 17px; line-height: 1.5; }
.text-link:hover { text-decoration: underline; text-underline-offset: 5px; }
.mobile-menu { display: none; }

.hero { position: relative; overflow: clip; background: var(--canvas); padding: 65px 0 35px; }
.hero-copy { position: relative; z-index: 2; text-align: center; padding: 0 24px; }
.hero-eyebrow { font-size: 18px; font-weight: 600; line-height: 1.4; margin-bottom: 20px; }
.hero h1 { display: grid; grid-auto-flow: column; column-gap: .4em; width: max-content; margin-inline: auto; text-align: center; font-family: "SF Pro SC", "PingFang SC", "Xingcui Hero", var(--display); font-size: clamp(64px, 6.4vw, 92px); font-weight: 600; line-height: 1.16; letter-spacing: 0; }
.hero-title-line { display: block; white-space: nowrap; }
.hero-description { color: var(--xc-ink); font-family: "Xingcui Hero", var(--font); font-size: 19px; font-weight: 450; line-height: 1.8; letter-spacing: 0; margin: 28px 0; }
.hero-actions { display: flex; justify-content: center; gap: 16px; align-items: center; }
.hero-actions > a { min-width: 144px; }
.hero-actions .text-link { position: relative; justify-content: center; min-height: 48px; padding: 12px 16px; border: 1px solid var(--xc-line); border-radius: 999px; background: #fff; color: var(--ink); box-shadow: 0 1px 2px rgb(34 35 33 / 4%), inset 0 1px 0 rgb(255 255 255 / 95%); font-size: 16px; line-height: 1.3; white-space: nowrap; transition: background .18s ease, border-color .18s ease, box-shadow .18s ease, transform .18s ease; }
.hero-actions .text-link:after { content: ""; position: absolute; left: 50%; bottom: -6px; width: 12px; height: 12px; border: solid; border-width: 0 1px 1px 0; border-color: inherit; border-bottom-right-radius: 2px; background: inherit; transform: translateX(-50%) rotate(45deg); }
.hero-actions .text-link:hover { text-decoration: none; border-color: var(--xc-field); box-shadow: 0 3px 8px rgb(34 35 33 / 7%); transform: translateY(-1px); }
.hero-actions .text-link:active { background: var(--xc-canvas); border-color: var(--xc-field); box-shadow: inset 0 1px 2px rgb(34 35 33 / 5%); transform: translateY(0); }
.hero-scene { position: relative; width: min(1160px, 100%); height: calc(510px * var(--deck-scale)); margin: 26px auto 0; --deck-scale: 1; }
.scene-ground { position: absolute; inset: auto 10% 22px; height: 60px; border-radius: 50%; background: radial-gradient(ellipse, rgb(34 35 33 / 12%), transparent 70%); }
/* The link stays still; only its face moves, so pointer and keyboard targets never drift. */
.idea-sheet { display: block; position: absolute; width: 350px; height: 360px; bottom: calc(53px * var(--deck-scale)); perspective: 1400px; transform: scale(var(--deck-scale)); transform-origin: 50% 100%; }
.sheet-face { position: relative; width: 100%; height: 100%; padding: 28px 27px; overflow: hidden; border: 1px solid var(--xc-line); border-radius: 28px; background: var(--card-paper, #fff); transform-origin: 50% 75%; transform: translate3d(var(--card-x, 0px), var(--card-y, 0px), var(--card-z, 0px)) rotateX(var(--card-pitch, 0deg)) rotate(var(--card-roll, 0deg)) scale(var(--card-scale, 1)); box-shadow: 0 9px 22px -13px rgb(34 35 33 / 18%), inset 0 1px 0 rgb(255 255 255 / 80%); transition: transform .78s cubic-bezier(.22,1,.3,1), opacity .45s ease, box-shadow .65s ease, border-color .35s ease; }
.sheet-face:before { content: ""; position: absolute; inset: 0; pointer-events: none; border-radius: inherit; background: linear-gradient(135deg, rgb(255 255 255 / 38%), transparent 55%); opacity: .3; transition: opacity .65s ease; }
.idea-sheet.is-active, .idea-sheet.is-hovered { z-index: 5; }
.idea-sheet.is-active .sheet-face, .idea-sheet.is-hovered .sheet-face { border-color: var(--xc-line); box-shadow: 0 34px 48px -24px rgb(34 35 33 / 30%), 0 12px 20px -15px rgb(34 35 33 / 22%), inset 0 1px 0 #fff; }
.idea-sheet.is-active .sheet-face:before, .idea-sheet.is-hovered .sheet-face:before { opacity: 1; }
.idea-sheet:focus-visible { outline: none; }
.idea-sheet:focus-visible .sheet-face { outline: 3px solid var(--link); outline-offset: 6px; }
.sheet-label { position: relative; display: block; font-size: 15px; font-weight: 600; line-height: 1.5; color: var(--xc-ink); letter-spacing: .015em; }
.sheet-subtitle { display: block; font-size: 13px; font-weight: 450; color: var(--xc-text); letter-spacing: 0; margin-top: 5px; }
.sheet-main { z-index: 3; left: calc(50% - 231px); width: 462px; height: 378px; --card-y: -24px; }
.sheet-main .sheet-face { padding: 29px 33px; }
.idea-statement { position: absolute; left: 33px; right: 30px; bottom: 100px; font-family: var(--display); font-size: 28px; font-weight: 600; letter-spacing: -.025em; line-height: 1.45; }
.sheet-bottom { position: absolute; bottom: 25px; left: 33px; right: 30px; display: flex; align-items: center; justify-content: space-between; gap: 10px; color: var(--xc-ink); font-size: 13px; }
.sheet-arrow { color: var(--ink); font-size: 27px; }
.sheet-entry { position: absolute; left: 27px; right: 27px; bottom: 23px; display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--ink); }
.sheet-entry > span { font-size: 23px; }
.sheet-entry > span, .sheet-arrow { transition: transform .5s cubic-bezier(.16,1,.3,1); }
.scene-touch-hint { display: none; }
.sheet-opc { z-index: 1; left: calc(50% - 320px * var(--deck-scale) - 175px); --card-paper: var(--xc-canvas); --card-roll: -10deg; --card-y: 16px; }
.sheet-explore { z-index: 2; right: calc(50% - 320px * var(--deck-scale) - 175px); --card-paper: var(--xc-wash); --card-roll: 10deg; --card-y: 16px; }
.sheet-opc .sheet-face:before, .sheet-explore .sheet-face:before { background: none; }
.idea-sheet:not(.sheet-main) .sheet-face>p { font-size: 28px; line-height: 1.35; font-weight: 600; letter-spacing: -.035em; position: absolute; bottom: 91px; }
.idea-sheet small { max-width: calc(100% - 54px); font-size: 13px; line-height: 1.6; position: absolute; bottom: 64px; color: var(--xc-text); }
.sheet-explore .sheet-label { text-align: right; }
.idea-sheet.sheet-explore .sheet-face>p, .sheet-explore small { right: 27px; text-align: right; }
.sheet-explore small { max-width: 222px; }
.sheet-explore .sheet-entry { justify-content: flex-end; }
.sheet-art { position: absolute; top: 65px; left: 27px; width: 164px; height: 112px; overflow: visible; stroke-linecap: round; stroke-linejoin: round; transform: translate3d(var(--art-x, 0px), calc(var(--art-y, 0px) + var(--art-lift, 0px)), 0) rotate(var(--art-turn, 0deg)); transition: transform .24s ease-out; }
.sheet-main .sheet-art { top: 79px; left: calc(50% - 84px); width: 168px; }
.sheet-explore .sheet-art { left: auto; right: 27px; }
.sheet-art .art-piece { transform-box: fill-box; transform-origin: center; transition: transform .5s cubic-bezier(.22,1,.3,1), opacity .5s ease; }
.scroll-cue { display: flex; flex-direction: column; align-items: center; gap: 9px; width: fit-content; margin: 3px auto 0; padding: 8px 16px; font-size: 11px; color: var(--xc-text); }
.scroll-cue svg { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 1.2; }

.intro-section { padding: 140px 52px 150px; background: white; text-align: center; }
.section-eyebrow { font-size: 17px; line-height: 1.6; font-weight: 600; margin-bottom: 22px; }
.statement { font-family: var(--display); font-size: clamp(36px, 4.2vw, 64px); font-weight: 650; line-height: 1.34; letter-spacing: -.05em; }
.statement span { color: var(--xc-muted); }
.intro-body { font-size: 20px; color: var(--muted); line-height: 1.85; margin: 36px auto 0; max-width: 680px; }
.explore-section { padding: 115px 52px 125px; background: var(--canvas); }
.interest-layout { max-width: 1360px; display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 64px; align-items: center; }
.interest-intro { padding-left: 12px; }
.section-heading h2 { font-family: "SF Pro SC", "PingFang SC", "Xingcui Hero", var(--display); font-size: clamp(40px, 4.4vw, 64px); font-weight: 600; line-height: 1.16; letter-spacing: 0; }
.section-heading>p:last-child { font-size: 18px; color: var(--xc-text); margin-top: 26px; line-height: 1.8; }
.experience-tabs { position: relative; isolation: isolate; display: grid; gap: 8px; margin-top: 33px; max-width: 420px; }
.interest-tab-indicator { position: absolute; top: 0; left: 0; z-index: 1; pointer-events: none; border: 1px solid var(--xc-line); border-radius: 17px; background: white; box-shadow: 0 9px 22px -18px rgb(34 35 33 / 28%); }
.experience-tabs button { position: relative; }
.experience-tabs button>span { position: relative; z-index: 2; }
.has-interest-indicator .interest-tab-indicator { transition: transform .38s cubic-bezier(.22,.8,.24,1), width .2s ease, height .2s ease; }
.experience-tabs.has-interest-indicator button[aria-selected=true] { background: transparent; border-color: transparent; box-shadow: none; }
.experience-tabs button { display: grid; grid-template-columns: 42px minmax(0, 1fr) 20px; align-items: center; gap: 16px; min-height: 86px; padding: 15px 18px; border: 1px solid transparent; border-radius: 17px; background: transparent; color: var(--ink); text-align: left; transition: background .2s ease, border-color .2s ease, box-shadow .2s ease; }
.experience-tabs button:hover { background: rgb(255 255 255 / 60%); }
.experience-tabs button[aria-selected=true] { background: white; border-color: var(--xc-line); box-shadow: 0 9px 22px -18px rgb(34 35 33 / 28%); }
.experience-tabs strong { display: block; font-size: 20px; line-height: 1.4; font-weight: 600; }
.experience-tabs small { display: block; color: var(--muted); font-size: 12px; line-height: 1.6; margin-top: 4px; }
.interest-tab-icon { width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid var(--xc-line); border-radius: 12px; background: var(--xc-surface); color: var(--xc-muted); transition: background .2s, color .2s, transform .2s ease; }
.experience-tabs button:active .interest-tab-icon { transform: scale(.94); }
.interest-tab-icon svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.45; stroke-linecap: round; stroke-linejoin: round; }
[aria-selected=true] .interest-tab-icon { background: var(--ink); border-color: var(--ink); color: white; }
.interest-tab-arrow { color: var(--xc-muted); font-size: 23px; transition: color .2s, transform .2s; }
[aria-selected=true] .interest-tab-arrow { color: var(--ink); transform: translate(2px, -2px); }
.experience-stage { display: grid; }
.experience-stage > .experience-panel { grid-area: 1 / 1; }
/* Inactive panels reserve the same space while staying hidden and inert. */
.experience-stage > .experience-panel[hidden] { display: flex !important; visibility: hidden; pointer-events: none; }
.experience-panel { display: flex; flex-direction: column; min-width: 0; padding: 27px 30px 0; background: white; border: 1px solid var(--xc-line); border-radius: 28px; overflow: clip; box-shadow: 0 20px 45px -34px rgb(34 35 33 / 20%); }
.interest-preview-heading { display: flex; justify-content: space-between; align-items: center; gap: 12px; font-size: 13px; color: var(--xc-text); margin-bottom: 20px; }
.interest-demo { border: 1px solid var(--xc-line); border-radius: 5px; padding: 3px 7px; color: var(--xc-muted); font-size: 10px; white-space: nowrap; }
.interest-feature { display: block; }
.interest-cover { position: relative; height: 184px; overflow: hidden; border-radius: 16px; isolation: isolate; }
.interest-live-image img { display:block; width:100%; height:100%; object-fit:cover; }
.interest-live-template { display:flex; flex-direction:column; justify-content:center; gap:12px; padding:22px 26px; }
.interest-live-template small { font-size:11px; opacity:.75; }.interest-live-template strong { font-size:24px; line-height:1.45; overflow:hidden; display:-webkit-box; -webkit-line-clamp:3; -webkit-box-orient:vertical; overflow-wrap:anywhere; }
.interest-live-graphic { display:flex; flex-direction:column; justify-content:center; align-items:center; gap:10px; background:var(--xc-canvas); color:var(--xc-text); }.interest-live-graphic>span { font-size:12px; }.interest-live-symbol { font-size:64px; line-height:1; }.interest-live-graphic>small { font-size:10px; color:var(--xc-muted); }
.interest-feature h3 .interest-live-title { flex:1; min-width:0; font-weight:600; color:var(--xc-ink); transform:none; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; overflow-wrap:anywhere; }
.interest-feature-copy>p { display:-webkit-box; -webkit-line-clamp:3; -webkit-box-orient:vertical; overflow:hidden; overflow-wrap:anywhere; }.interest-reading-list strong { display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; overflow-wrap:anywhere; }
.cover-notes { background: var(--xc-canvas); }
.cover-caption { position: absolute; bottom: 12px; left: 16px; right: 16px; text-align: center; font-size: 10px; color: var(--xc-muted); }
.note-fragments { position: absolute; width: 140px; left: calc(50% - 173px); top: 33px; transform: rotate(-7deg); }
.note-fragments span { display: block; width: 112px; margin: 0 0 7px; padding: 9px 14px; background: #fff; border: 1px solid var(--xc-line); border-radius: 7px; color: var(--xc-muted); font-size: 11px; box-shadow: 0 5px 8px -6px var(--xc-ink); }
.note-fragments span:nth-child(2) { margin-left: 15px; }.note-fragments span:nth-child(3) { margin-left: 5px; }
.cover-flow { position: absolute; left: calc(50% - 20px); top: 65px; color: var(--xc-muted); font-size: 30px; font-weight: 300; }
.note-report { position: absolute; width: 134px; height: 134px; top: 17px; left: calc(50% + 26px); padding: 17px 16px; border: 1px solid var(--xc-line); border-radius: 9px; background: #fff; box-shadow: 0 12px 19px -12px var(--xc-ink); transform: rotate(6deg); transition: transform .3s ease; }
.note-report>span { color: var(--xc-ink); font-size: 12px; font-weight: 600; }.note-report>i { display: block; height: 3px; margin-top: 10px; border-radius: 3px; background: var(--xc-wash); }.note-report>i:nth-of-type(2) { width: 80%; }.note-report>i:nth-of-type(3) { width: 88%; }
.note-report>div { display: flex; gap: 5px; margin-top: 13px; }.note-report b { height: 16px; flex: 1; border-radius: 3px; background: var(--xc-wash); }.note-report b:nth-child(2) { background: var(--xc-silver); }.note-report b:nth-child(3) { background: var(--xc-muted); }
.interest-feature:hover .note-report { transform: translateY(-4px) rotate(3deg); }
.cover-conversation { background: var(--xc-wash); }
.conversation-question { position: absolute; left: calc(50% - 146px); top: 29px; width: 97px; height: 103px; display: grid; place-items: center; border: 1px solid #d6c9b7; border-radius: 23px 23px 7px; background: var(--xc-surface); color: #9f8665; font-size: 67px; font-weight: 450; transform: rotate(-8deg); transition: transform .3s ease; }
.conversation-reply { position: absolute; left: calc(50% - 8px); top: 47px; width: 170px; padding: 17px; border: 1px solid #d5c7b5; border-radius: 17px 17px 17px 5px; background: #e4d8c7; transform: rotate(4deg); transition: transform .3s ease; }.conversation-reply span { font-size: 11px; color: #79664e; }.conversation-reply i { display: block; height: 3px; margin-top: 10px; border-radius: 3px; background: #cbb9a0; }.conversation-reply i:last-child { width: 75%; }
.conversation-spark { position: absolute; top: 17px; left: calc(50% + 149px); font-size: 29px; color: #b39c7c; }.cover-conversation .cover-caption { color: #8b7b66; }
.interest-feature:hover .conversation-question { transform: translate(-4px, -3px) rotate(-11deg); }.interest-feature:hover .conversation-reply { transform: translate(4px, -3px) rotate(1deg); }
.cover-project { background: var(--xc-wash); }
.project-paper { position: absolute; left: calc(50% - 135px); top: 24px; width: 263px; height: 116px; border: 1px solid var(--xc-line); border-radius: 12px; padding: 20px; background: #fff; box-shadow: 0 12px 20px -16px var(--xc-ink); transform: rotate(-4deg); transition: transform .3s ease; }.project-paper>span { font-size: 12px; color: var(--xc-text); }.project-steps { display: flex; justify-content: space-between; align-items: center; margin-top: 19px; color: var(--xc-text); font-size: 10px; }.project-steps span { display: flex; align-items: center; gap: 6px; }.project-steps i { display: block; width: 13px; height: 13px; border: 1px solid var(--xc-field); border-radius: 4px; background: var(--xc-wash); }.project-steps span:first-child i { background: var(--xc-ink); border-color: var(--xc-ink); }.project-steps b { font-size: 16px; font-weight: 400; color: var(--xc-muted); }
.project-cube { position: absolute; width: 34px; height: 34px; left: calc(50% + 108px); top: 12px; background: linear-gradient(135deg, var(--xc-canvas), var(--xc-muted)); border: 1px solid var(--xc-field); border-radius: 8px; box-shadow: 5px 6px 0 var(--xc-ink); transform: rotate(13deg); }.interest-feature:hover .project-paper { transform: translateY(-3px) rotate(-1deg); }
.interest-feature-copy { padding: 20px 0 22px; }.interest-kind { color: var(--xc-muted); font-size: 11px; }.interest-feature h3 { display: flex; align-items: start; justify-content: space-between; gap: 18px; color: var(--xc-ink); font-size: 26px; font-weight: 600; line-height: 1.4; margin-top: 9px; }.interest-feature h3 span { flex-shrink: 0; font-weight: 400; color: var(--xc-text); transition: transform .2s; }.interest-feature:hover h3 span { transform: translate(2px, -2px); }.interest-feature-copy>p { color: var(--xc-muted); font-size: 13px; line-height: 1.8; margin-top: 9px; }
.interest-reading-list { margin-top: auto; }.interest-reading-list>a { display: grid; grid-template-columns: 38px minmax(0, 1fr) 17px; gap: 13px; align-items: center; min-height: 75px; padding: 13px 0; border-top: 1px solid var(--xc-line); }.interest-row-mark { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 9px; background: var(--xc-canvas); color: var(--xc-muted); font-size: 13px; }.interest-row-mark svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }.interest-reading-list small { display: block; color: var(--xc-muted); font-size: 10px; margin-bottom: 4px; }.interest-reading-list strong { display: block; font-size: 14px; line-height: 1.5; font-weight: 500; }.interest-reading-list>a>span:last-child { color: var(--xc-muted); }.interest-reading-list>a:hover strong { color: var(--xc-text); }
.interest-preview-footer { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 65px; margin-top: 4px; border-top: 1px solid var(--xc-line); }.interest-preview-footer>span { font-size: 11px; color: var(--xc-muted); }.interest-preview-footer a { display: inline-flex; align-items: center; gap: 13px; min-height: 44px; font-size: 13px; white-space: nowrap; }.interest-preview-footer a:hover { text-decoration: underline; text-underline-offset: 4px; }
.interest-row-mark, .interest-reading-list>a>span:last-child, .interest-preview-footer a>span { transition: transform .22s ease; }
.interest-reading-list>a:is(:hover, :focus-visible) .interest-row-mark { transform: translateY(-2px); }
.interest-reading-list>a:is(:hover, :focus-visible)>span:last-child, .interest-preview-footer a:is(:hover, :focus-visible)>span { transform: translate(2px, -2px); }
.closing-section { padding: 130px 28px 140px; background: var(--canvas); text-align: center; }
.closing-section h2 { font-family: var(--display); font-size: clamp(44px, 5.7vw, 80px); font-weight: 700; line-height: 1.25; letter-spacing: 0; }
.closing-line { display: block; position: relative; width: max-content; margin-inline: auto; white-space: nowrap; }
/* Center the words themselves; full-width trailing marks hang outside the line. */
.closing-punctuation { position: absolute; left: 100%; top: 0; }
.closing-section .button { position: relative; padding-inline: 42px; }
.closing-section .button>span { position: absolute; right: 16px; }
.closing-section h2+p { color: var(--muted); margin: 28px 0 25px; font-size: 19px; }
.closing-section .section-eyebrow { color: var(--muted); font-size: 16px; }
.welcome-footer { padding: 44px 52px 35px; background: var(--canvas); }
.footer-content { border-top: 1px solid var(--xc-line); padding-top: 33px; display: grid; grid-template-columns: auto 1fr; align-items: center; column-gap: 50px; row-gap: 25px; }
.welcome-footer .brand { font-size: 18px; }
.welcome-footer .brand-symbol { width: 27px; height: 27px; font-size: 14px; }
.welcome-footer nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 28px; font-size: 12px; }
.welcome-footer nav a { min-height: 32px; display: flex; align-items: center; }
.welcome-footer nav a:hover { color: var(--link); }
.welcome-footer p { grid-column: 1/-1; font-size: 11px; color: var(--muted); }
.motion-ready [data-reveal] { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s cubic-bezier(.2,.65,.3,1); transition-delay: var(--reveal-delay, 0ms); }
.statement, .closing-section h2 { --reveal-delay: 70ms; }
.intro-body, .closing-section h2+p { --reveal-delay: 140ms; }
.motion-ready [data-reveal].is-visible, .motion-ready [data-reveal]:focus-within { opacity: 1; transform: translateY(0); }

@media (min-width: 761px) {
  .motion-enabled .hero-scene[data-active-card="opc"] .sheet-main { --card-x: 18px; --card-y: 7px; --card-roll: 1deg; --card-scale: .975; }
  .motion-enabled .hero-scene[data-active-card="explore"] .sheet-main { --card-x: -18px; --card-y: 7px; --card-roll: -1deg; --card-scale: .975; }
  .motion-enabled .hero-scene[data-active-card]:not([data-active-card=""]) .idea-sheet:not(.is-active):not(.sheet-main) { --card-y: 18px; --card-scale: .975; }
  .motion-enabled .hero-scene[data-active-card]:not([data-active-card=""]) .sheet-opc:not(.is-active) { --card-x: -8px; }
  .motion-enabled .hero-scene[data-active-card]:not([data-active-card=""]) .sheet-explore:not(.is-active) { --card-x: 8px; }
  .motion-enabled .hero-scene .idea-sheet.is-active { --card-x: 0px; --card-y: -38px; --card-z: 26px; --card-roll: 0deg; --card-scale: 1.015; }
  .motion-enabled .hero-scene .idea-sheet:active { --card-y: -29px; --card-z: 8px; --card-scale: 1; }
  .idea-sheet:active .sheet-face { transition-duration: .16s; }
}
.motion-enabled .hero-scene.is-staged .idea-sheet { --card-y: 82px; --card-z: -100px; --card-pitch: 12deg; --card-scale: .94; }
.motion-enabled .hero-scene.is-staged .sheet-opc { --card-x: 90px; --card-roll: -14deg; }
.motion-enabled .hero-scene.is-staged .sheet-explore { --card-x: -90px; --card-roll: 14deg; }
.motion-enabled .hero-scene.is-staged .sheet-face { opacity: 0; }
.motion-enabled .hero-scene.is-entering .sheet-face { transition-duration: 1.05s, .65s, .65s, .35s; }
.motion-enabled .hero-scene.is-entering .sheet-opc .sheet-face { transition-delay: .1s; }
.motion-enabled .hero-scene.is-entering .sheet-explore .sheet-face { transition-delay: .18s; }
.motion-enabled .is-active .sheet-art { --art-lift: -3px; }
.motion-enabled .is-hovered .sheet-art { --art-lift: -5px; }
.motion-enabled .is-active .art-door { transform: translateY(-7px); }
.motion-enabled .is-active .art-step { transform: translate(3px, 2px); }
.motion-enabled .is-active .art-star { transform: rotate(16deg) scale(1.04); }
.motion-enabled .is-active .art-path-left { transform: translate(-8px, -4px) rotate(-8deg); }
.motion-enabled .is-active .art-path-right { transform: translate(8px, -4px) rotate(8deg); }
.motion-enabled .is-active .art-path-center { transform: translateY(-9px); }
.motion-enabled .is-active .art-shadow { transform: scaleX(.88); opacity: .08; }
.motion-enabled .is-active .sheet-entry > span, .motion-enabled .is-active .sheet-arrow, .motion-enabled .is-hovered .sheet-entry > span, .motion-enabled .is-hovered .sheet-arrow { transform: translate(3px, -3px); }
@media (max-width: 1100px) {
  .hero-scene { --deck-scale: .85; }
  .header-inner { padding-inline: 32px; }
  .hero { padding-top: 58px; }
  .intro-section, .explore-section, .community-section { padding-inline: 36px; }
  .interest-layout { gap: 30px; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); }
  .interest-intro { padding-left: 0; }.section-heading h2 { font-size: clamp(34px, 4.1vw, 44px); }
  .experience-tabs button { padding-inline: 12px; gap: 12px; }.experience-tabs strong { font-size: 17px; }.experience-tabs small { font-size: 11px; }
  .experience-panel { padding-inline: 23px; }.interest-feature h3 { font-size: 23px; }
}
@media (max-width: 760px) {
  html { scroll-padding-top: 80px; }
  .header-inner { min-height: 59px; padding: 0 21px; gap: 16px; grid-template-columns: 1fr auto; }
  .brand { font-size: 18px; gap: 8px; }.brand-symbol { width: 27px; height: 27px; font-size: 14px; }.brand-symbol svg { width: 19px; height: 19px; }
  .desktop-links { display: none; }.header-actions { gap: 11px; }.button-small { min-height: 34px; font-size: 11px; padding: 9px 14px; gap: 6px; }
  .mobile-menu { display: block; }.mobile-menu summary { width: 44px; min-height: 44px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; cursor: pointer; list-style: none; }.mobile-menu summary::-webkit-details-marker { display: none; }.mobile-menu summary span { display: block; width: 19px; height: 1px; background: var(--ink); transition: transform .18s ease; }.mobile-menu[open] summary span:first-child { transform: translateY(3px) rotate(45deg); }.mobile-menu[open] summary span:last-child { transform: translateY(-3px) rotate(-45deg); }
  .mobile-menu nav { position: absolute; top: 59px; left: 0; right: 0; background: white; padding: 14px 26px 23px; border-bottom: 1px solid var(--xc-line); display: grid; }.mobile-menu nav a { padding: 14px 0; min-height: 46px; font-size: 15px; }
  .mobile-menu nav .nav-opc { justify-self: start; padding-block: 7px; }.mobile-menu .nav-opc span { min-height: 34px; }
  .hero { padding: 48px 0 21px; }
  .hero-copy { padding-inline: 18px; }.hero-eyebrow { font-size: 15px; margin-bottom: 18px; }
  .hero h1 { font-size: clamp(32px, 10.2vw, 64px); }
  .hero-description { font-size: 15px; margin: 24px 0 26px; line-height: 1.8; }
  .hero-actions > a { min-width: 128px; }.hero-actions .text-link { min-height: 44px; padding: 10px 14px; gap: 8px; font-size: 14px; }.button { min-height: 44px; padding: 12px 21px; font-size: 14px; }.button-small { min-height: 44px; padding: 9px 14px; font-size: 11px; }
  .scroll-cue { margin-top: 15px; font-size: 10px; gap: 6px; }
  .intro-section { padding: 85px 25px 90px; }.section-eyebrow { font-size: 12px; margin-bottom: 21px; }
  .statement { font-size: clamp(29px, 7.8vw, 42px); letter-spacing: -.055em; line-height: 1.5; }
  .intro-body { font-size: 14px; line-height: 1.95; margin-top: 25px; }.desktop-break { display: none; }
  .explore-section { padding: 83px 24px 80px; }.interest-layout { grid-template-columns: 1fr; gap: 24px; }.section-heading h2 { font-size: clamp(34px, 9.6vw, 50px); line-height: 1.2; }.section-heading>p:last-child { font-size: 15px; line-height: 1.85; margin-top: 22px; }
  .experience-tabs { grid-template-columns: repeat(3, minmax(0, 1fr)); max-width: none; gap: 6px; margin-top: 25px; }.experience-tabs button { display: block; padding: 11px 5px; min-height: 46px; border-radius: 11px; border-color: var(--xc-line); background: #fff; text-align: center; white-space: nowrap; }.experience-tabs strong { font-size: clamp(11px, 3.1vw, 13px); font-weight: 500; }.experience-tabs button[aria-selected=true] { background: var(--ink); border-color: var(--ink); color: white; box-shadow: none; }.experience-tabs small, .interest-tab-icon, .interest-tab-arrow { display: none; }
  .interest-tab-indicator { background: var(--ink); border-color: var(--ink); border-radius: 11px; box-shadow: none; }
  .experience-tabs .interest-tab-indicator { background:var(--xc-surface); border-color:var(--xc-line); box-shadow:inset 0 -2px var(--xc-copper); }
  .experience-panel { padding: 20px 18px 0; border-radius: 23px; }.interest-preview-heading { font-size: 11px; margin-bottom: 16px; }.interest-demo { font-size: 9px; padding: 3px 5px; }.interest-cover { height: 165px; border-radius: 12px; }
  .note-fragments { left: calc(50% - 126px); top: 32px; width: 97px; }.note-fragments span { width: 83px; padding: 7px 11px; font-size: 10px; margin-bottom: 6px; }.note-fragments span:nth-child(2) { margin-left: 10px; }.cover-flow { left: calc(50% - 18px); top: 60px; font-size: 23px; }.note-report { left: calc(50% + 16px); width: 105px; height: 117px; padding: 12px; }.note-report>span { font-size: 10px; }.note-report>i { margin-top: 9px; }.note-report>div { margin-top: 11px; }.note-report b { height: 12px; }.cover-caption { font-size: 9px; bottom: 10px; }
  .conversation-question { left: calc(50% - 119px); width: 76px; height: 90px; font-size: 56px; top: 27px; }.conversation-reply { left: calc(50% - 15px); top: 41px; width: 133px; padding: 13px; }.conversation-reply span { font-size: 9px; }.conversation-spark { left: calc(50% + 99px); font-size: 24px; top: 15px; }
  .project-paper { left: calc(50% - 117px); width: 224px; height: 105px; padding: 16px; top: 23px; }.project-paper>span { font-size: 10px; }.project-steps { font-size: 9px; margin-top: 18px; }.project-steps span { gap: 4px; }.project-steps i { width: 11px; height: 11px; }.project-cube { left: calc(50% + 88px); width: 27px; height: 27px; }
  .interest-feature-copy { padding: 18px 0; }.interest-kind { font-size: 10px; }.interest-feature h3 { font-size: 22px; gap: 12px; line-height: 1.45; }.interest-feature-copy>p { font-size: 12px; }.interest-reading-list>a { gap: 10px; grid-template-columns: 32px minmax(0, 1fr) 14px; min-height: 74px; }.interest-row-mark { width: 30px; height: 32px; font-size: 11px; }.interest-reading-list strong { font-size: 12px; }.interest-reading-list small { font-size: 9px; }.interest-preview-footer { gap: 8px; min-height: 62px; }.interest-preview-footer>span { font-size: 9px; }.interest-preview-footer a { font-size: 12px; gap: 7px; }
  .closing-section { padding: 90px 22px 95px; }.closing-section .section-eyebrow { font-size: 12px; }.closing-section h2 { font-size: clamp(31px, 9.4vw, 43px); }.closing-section h2+p { font-size: 15px; margin: 25px 0 26px; }
  .welcome-footer { padding: 0 24px 26px; }.footer-content { grid-template-columns: 1fr; gap: 22px; padding-top: 26px; }.welcome-footer nav { justify-content: flex-start; gap: 8px 20px; font-size: 11px; }.welcome-footer p { font-size: 10px; }
}
@media (min-width: 761px) and (max-width: 900px) {
  .hero-scene { --deck-scale: .66; }
}
@media (max-width: 760px) {
  .hero-scene { --card-width: min(330px, calc(100vw - 80px)); height: 420px; margin-top: 28px; }
  .hero-scene .idea-sheet { width: var(--card-width); height: 350px; left: calc(50% - var(--card-width) / 2); right: auto; bottom: 34px; transform: none; --card-z: 0px; }
  .sheet-main { --card-x: 0px; --card-y: -10px; }
  .sheet-opc { --card-x: -34px; --card-y: 8px; --card-roll: -11deg; --card-scale: .9; }
  .sheet-explore { --card-x: 34px; --card-y: 8px; --card-roll: 11deg; --card-scale: .9; }
  .hero-scene[data-active-card="opc"] .sheet-main { --card-x: 24px; --card-y: 9px; --card-roll: 6deg; --card-scale: .94; }
  .hero-scene[data-active-card="explore"] .sheet-main { --card-x: -24px; --card-y: 9px; --card-roll: -6deg; --card-scale: .94; }
  .hero-scene .idea-sheet.is-active { --card-x: 0px; --card-y: -12px; --card-roll: 0deg; --card-scale: 1; }
  .idea-sheet .sheet-face { padding: 24px; border-radius: 24px; }
  .idea-sheet.is-active .sheet-face, .idea-sheet.is-hovered .sheet-face { box-shadow: 0 18px 28px -18px rgb(34 35 33 / 23%), 0 4px 12px -9px rgb(34 35 33 / 16%), inset 0 1px 0 #fff; }
  .sheet-label { font-size: 14px; }.sheet-subtitle { font-size: 12px; }
  .idea-statement { left: 24px; right: 24px; bottom: 105px; font-size: clamp(17px, 5.2vw, 23px); }
  .sheet-bottom, .sheet-entry { left: 24px; right: 24px; bottom: 22px; font-size: 12px; }
  .idea-sheet:not(.sheet-main) .sheet-face>p { font-size: 26px; bottom: 112px; }
  .idea-sheet small { max-width: calc(100% - 48px); font-size: 12px; bottom: 66px; }
  .sheet-art { top: 63px; left: 24px; width: 144px; height: 98px; }
  .sheet-main .sheet-art { top: 79px; left: calc(50% - 74px); width: 148px; }
  .sheet-explore .sheet-art, .idea-sheet.sheet-explore .sheet-face>p, .sheet-explore small { right: 24px; }
  .sheet-explore small { max-width: calc(100% - 48px); }
  .scene-ground { display: none; }.scene-touch-hint { display: block; text-align: center; color: var(--xc-text); font-size: 11px; margin-top: 1px; }
  .scene-controls { display: flex; align-items: center; justify-content: center; gap: 0; margin-top: -8px; }
  .scene-controls button { display: grid; place-items: center; width: 44px; height: 44px; padding: 0; border: 0; border-radius: 14px; background: transparent; }
  .scene-controls button span { width: 6px; height: 6px; border-radius: 99px; background: var(--xc-silver); transition: width .5s cubic-bezier(.22,1,.3,1), background .35s ease; }
  .scene-controls button[aria-pressed="true"] span { width: 24px; background: var(--xc-ink); }
}
@media (max-width: 760px) {
  .motion-enabled .hero-scene .idea-sheet.is-active.is-hovered { --card-scale: 1.012; --card-y: -18px; }
  .motion-enabled .hero-scene.is-staged .idea-sheet { --card-x: 0px; --card-y: 35px; --card-pitch: 0deg; --card-roll: 0deg; }
}
@media (max-width: 380px) {
  .header-inner { padding-inline: 16px; }.hero-description { font-size: 14px; }.section-heading h2 { font-size: 34px; }.statement { font-size: 28px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *:before, *:after { transition-duration: 0s !important; transition-delay: 0s !important; animation-duration: 0s !important; }
  .motion-ready [data-reveal] { opacity: 1; transform: none; }
  .motion-enabled .hero-scene .sheet-face { transition-duration: .2s !important; transition-timing-function: ease-out; }
  .motion-enabled .hero-scene .sheet-art, .motion-enabled .hero-scene .art-piece { transition-duration: .2s !important; transition-timing-function: ease-out; }
  .motion-enabled .hero-scene .idea-sheet.is-active,
  .motion-enabled .hero-scene .idea-sheet.is-active.is-hovered { --card-z: 0px; --card-scale: 1; }
}