:root{--bg:#000;--ink:#f5f5f7;--muted:#a1a1a6;--accent:#2997ff;--surface:#101012;--ease:cubic-bezier(.16,1,.3,1)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:74px;overflow-x:clip}body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65,-apple-system,BlinkMacSystemFont,"Helvetica Neue","PingFang SC","Microsoft YaHei",sans-serif;font-family:-apple-system,BlinkMacSystemFont,"Helvetica Neue","PingFang SC","Microsoft YaHei",sans-serif;overflow-x:clip}a{color:inherit;text-decoration:none}img{display:block;width:100%;height:100%;object-fit:cover}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible{outline:3px solid var(--accent);outline-offset:6px}h1,h2,p{margin:0}h1,h2{font-weight:600;letter-spacing:-.04em;line-height:1.15}em{font-style:normal}p{font-size:17px;line-height:1.75}.page-width{width:min(1120px,calc(100% - 80px));margin-inline:auto}.site-header{height:64px;display:flex;align-items:center;justify-content:space-between;width:min(1120px,calc(100% - 80px));margin:auto;position:relative;z-index:10;font-size:14px}.wordmark{font-size:14px;font-weight:600;letter-spacing:.02em}.wordmark-symbol{display:none}.desktop-nav{display:flex;gap:32px}.desktop-nav a,.header-contact{min-height:44px;display:inline-flex;align-items:center}.header-contact{color:var(--accent)}.page-progress{position:fixed;z-index:30;inset:0 0 auto;height:2px}.page-progress span{height:100%;display:block;background:var(--accent);transform-origin:left;transform:scaleX(0)}
.hero{position:relative;min-height:920px;height:auto;display:flex;flex-direction:column;align-items:center;isolation:isolate;padding:60px 0 0;overflow:clip}.hero-content{position:relative;z-index:2;text-align:center;padding:0;width:min(900px,calc(100% - 48px))}.hero h1{font-size:clamp(48px,6.4vw,88px);line-height:1.12}.hero-bottom{margin:30px auto 0;display:flex;flex-direction:column;align-items:center;gap:21px}.hero-bottom p{font-size:19px;color:var(--muted);line-height:1.7}.round-link{display:inline-flex;align-items:center;gap:12px;min-height:44px;font-size:17px;color:var(--accent)}.round-link:hover{color:#80c2ff}.hero-photo{position:relative;order:2;width:min(1000px,calc(100% - 80px));height:460px;margin:42px auto 0;perspective:1400px;overflow:clip}.hero-photo img{object-position:50% 50%;transform-origin:center;object-fit:cover}.hero-photo-shade{display:none}.section-space{padding-block:110px}.section-top{display:flex;justify-content:space-between;margin-bottom:44px}.section-top h2{font-size:48px}.eyebrow,.mono-note,.project-type,.hero-index,.resource-number,.about-mark,.gallery-foot>span{display:none}.feature-layout{display:grid;grid-template-columns:1fr;gap:44px}.feature-copy{display:grid;grid-template-columns:1fr 1fr;column-gap:90px;align-items:start}.feature-copy h2{font-size:clamp(40px,4.1vw,58px);grid-row:1/4}.project-description{font-size:19px;color:var(--muted);margin-bottom:20px}.arrow-link{color:var(--accent);font-size:17px;display:inline-flex;gap:12px;align-items:center;min-height:44px;justify-self:start}.arrow-link:hover span{transform:translate(3px,-3px)}.arrow-link span{transition:transform .3s}.spec-row{grid-column:1/-1;display:flex;justify-content:space-around;margin-top:54px;gap:32px}.spec-row div{display:flex;flex-direction:column;text-align:center}.spec-row strong{font-size:32px;letter-spacing:-.03em}.spec-row span{font-size:15px;color:var(--muted)}.feature-image{position:relative;display:block;width:100%;aspect-ratio:16/9;overflow:clip;background:var(--surface);perspective:1400px}.feature-image img{object-position:50% 50%}.image-caption{position:absolute;bottom:22px;left:26px;right:26px;display:flex;justify-content:space-between;color:#fff;font-size:13px}.image-open{position:absolute;top:24px;right:24px;width:44px;height:44px;background:#222;color:white;display:grid;place-items:center;border-radius:50%}.work-gallery{background:#f5f5f7;color:#1d1d1f}.gallery-heading{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:50px}.gallery-heading h2{font-size:clamp(36px,4vw,56px)}.gallery-heading p{color:#65656a;max-width:390px}.gallery-track{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:24px;padding:8px max(40px,calc((100vw - 1120px)/2)) 32px;scrollbar-width:thin;scrollbar-color:#bbb transparent}.gallery-tile{position:relative;flex:0 0 min(650px,76vw);height:460px;overflow:clip;scroll-snap-align:center;background:#e8e8ed}.gallery-tile img{transition:scale .8s var(--ease)}.gallery-tile:hover img{scale:1.035}.gallery-tile>span{position:absolute;bottom:20px;left:22px;background:#fff;color:#222;padding:8px 14px;font-size:15px}.gallery-foot{display:flex;justify-content:end;margin-top:24px}.recent-section{background:#f5f5f7;color:#1d1d1f;padding-top:40px}.recent-track{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;width:min(1120px,calc(100% - 80px));margin:auto}.recent-card{display:block;height:300px;overflow:clip}.recent-card img{transition:scale .8s var(--ease)}.recent-card:hover img{scale:1.035}.recent-card span{display:none}.about-section{display:block;max-width:900px}.about-copy h2{font-size:clamp(36px,4vw,56px);margin-bottom:32px}.about-copy>p{font-size:21px;color:var(--muted);line-height:1.8}.skill-list{display:flex;gap:28px;flex-wrap:wrap;margin-top:32px;color:var(--ink);font-size:14px}.resources{background:var(--surface)}.resource-row{display:grid;grid-template-columns:1fr auto 24px;gap:24px;align-items:center;min-height:92px;padding:12px 0}.resource-title{font-size:21px}.resource-meta{font-size:15px;color:var(--muted)}.resource-arrow{color:var(--accent);font-size:24px}.resource-row:hover .resource-title{color:var(--accent)}.contact-section{background:#000;padding:100px 0}.contact-art{display:none}.contact-inner h2{font-size:clamp(36px,4vw,56px);margin-bottom:24px}.contact-inner>p{color:var(--muted);margin-bottom:20px}.contact-button{color:var(--accent);font-size:21px;display:inline-flex;gap:30px;align-items:center;min-height:48px}.site-footer{display:flex;justify-content:space-between;align-items:center;gap:20px;padding-block:32px;color:var(--muted);font-size:13px}.site-footer .wordmark{color:var(--ink)}.icp{display:block;text-align:center;background:var(--surface);font-size:13px;padding:16px;color:var(--muted)}.reveal{opacity:1;transform:none}
@media(max-width:850px){.page-width,.site-header{width:calc(100% - 48px)}.hero{min-height:810px;padding-top:50px}.hero-photo{width:calc(100% - 48px);height:380px}.hero-bottom p{font-size:17px}.feature-copy{grid-template-columns:1fr;gap:24px}.feature-copy h2{grid-row:auto}.spec-row{margin-top:20px}.gallery-tile{height:380px;flex-basis:80vw}.recent-track{width:calc(100% - 48px);grid-template-columns:repeat(2,minmax(0,1fr))}.recent-card{height:270px}.section-space{padding-block:80px}.resource-row{grid-template-columns:1fr 24px}.resource-meta{grid-column:1;grid-row:2}.resource-arrow{grid-column:2;grid-row:1/3}.resource-title{font-size:19px}.site-footer{flex-wrap:wrap}.gallery-heading{align-items:start;flex-direction:column;gap:20px}}
@media(max-width:500px){.page-width,.site-header{width:calc(100% - 40px)}.site-header{height:60px}.wordmark{font-size:12px}.desktop-nav{gap:16px}.desktop-nav a{font-size:14px}.desktop-nav a:nth-child(2),.desktop-nav a:nth-child(4){display:none}.header-contact{font-size:14px}.hero{padding-top:40px;min-height:740px}.hero h1{font-size:46px;letter-spacing:-.04em}.hero-bottom{margin-top:25px;gap:12px}.hero-bottom p{font-size:16px;max-width:330px}.hero-bottom br{display:none}.hero-photo{height:300px;width:calc(100% - 40px);margin-top:35px}.section-space{padding-block:64px}.feature-copy h2,.gallery-heading h2,.about-copy h2,.section-top h2,.contact-inner h2{font-size:34px}.project-description{font-size:17px}.spec-row{gap:12px}.spec-row strong{font-size:23px}.spec-row span{font-size:13px}.feature-image{aspect-ratio:4/3}.image-caption{font-size:11px;left:16px;right:16px;bottom:16px}.gallery-heading{margin-bottom:30px}.gallery-track{padding-inline:20px;gap:16px}.gallery-tile{height:330px;flex-basis:86vw}.gallery-foot{margin-top:10px}.recent-section{padding-top:15px}.recent-track{width:100%;padding:0 20px 16px;display:flex;overflow:auto;scroll-snap-type:x mandatory;gap:16px}.recent-card{flex:0 0 76vw;height:300px;scroll-snap-align:center}.about-copy>p{font-size:18px}.skill-list{gap:14px;font-size:12px}.resource-row{gap:4px 16px;margin-top:12px;min-height:92px}.resource-title{font-size:18px}.resource-meta{font-size:14px}.contact-section{padding-block:70px}.contact-button{font-size:18px}.site-footer{font-size:12px}.site-footer .wordmark{width:100%}.icp{font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.reveal,.hero-photo,.hero-photo img,.feature-image,.feature-image img{transform:none!important;opacity:1!important}}

/* Rare UI-inspired interaction language: clipped reveals, magnetic cards and quiet state changes. */
.rare-reveal{clip-path:inset(0 0 100% 0);animation:rare-reveal 1.15s cubic-bezier(.16,1,.3,1) .12s forwards}
@keyframes rare-reveal{to{clip-path:inset(0 0 0 0)}}
.project-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:64px}
.project-card{position:relative;min-height:260px;padding:28px;background:#151518;overflow:hidden;transition:background .45s var(--ease),transform .45s var(--ease)}
.project-card::after{content:"";position:absolute;inset:auto 0 0;height:3px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .55s var(--ease)}
.project-card:hover{background:#1d1d21;transform:translateY(-8px)}.project-card:hover::after{transform:scaleX(1)}
.card-index{display:block;color:var(--accent);font-size:14px;margin-bottom:72px}.project-card h3{font-size:27px;letter-spacing:-.03em;margin:0 0 10px}.project-card p{color:var(--muted);font-size:16px;line-height:1.65;max-width:28ch}.card-arrow{position:absolute;right:26px;top:25px;color:var(--accent);font-size:20px;transition:transform .45s var(--ease)}.project-card:hover .card-arrow{transform:translate(4px,-4px)}
.architecture-section{background:#101012}.architecture-layout{display:grid;grid-template-columns:minmax(260px,.8fr) minmax(0,1.2fr);gap:80px;align-items:center}.architecture-layout h2{font-size:clamp(38px,4.2vw,60px);max-width:8ch}.architecture-layout p{color:var(--muted);margin-top:28px;max-width:30ch}.architecture-flow{display:grid;grid-template-columns:1fr 40px 1fr 40px 1fr;align-items:center;gap:10px}.architecture-flow>div{min-height:190px;padding:22px;background:#1a1a1e;display:flex;flex-direction:column;justify-content:space-between;transition:transform .5s var(--ease),background .5s var(--ease)}.architecture-flow>div:hover{transform:translateY(-7px);background:#222228}.architecture-flow span{color:var(--accent);font-size:13px}.architecture-flow strong{font-size:26px}.architecture-flow small{color:var(--muted);font-size:14px}.architecture-flow i{font-style:normal;color:var(--accent);font-size:24px;text-align:center}
@media(max-width:850px){.project-grid{grid-template-columns:1fr;margin-top:40px}.project-card{min-height:190px}.card-index{margin-bottom:34px}.architecture-layout{grid-template-columns:1fr;gap:42px}.architecture-layout h2{max-width:14ch}.architecture-flow{grid-template-columns:1fr;gap:10px}.architecture-flow i{transform:rotate(90deg);height:20px}.architecture-flow>div{min-height:130px}}
@media(prefers-reduced-motion:reduce){.rare-reveal{animation:none;clip-path:none}.project-card,.architecture-flow>div{transform:none!important}}

/* Content-led portfolio sections */
.section-kicker{display:block;color:var(--accent);font-size:14px;margin-bottom:22px}.section-side-note{color:var(--muted);font-size:14px;max-width:260px;text-align:right}.project-detail{display:grid;grid-template-columns:minmax(260px,.8fr) minmax(0,1.2fr);gap:80px;margin-top:110px;padding-top:52px;background:var(--surface);padding:52px 56px 56px}.detail-intro h3{font-size:clamp(30px,3.5vw,48px);line-height:1.15;margin:18px 0 22px}.detail-intro>p{color:var(--muted);max-width:38ch}.detail-intro>span{color:var(--accent);font-size:14px}.detail-columns{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;align-items:start}.detail-columns>div{padding-top:26px;border-top:2px solid #2a2a2e}.detail-columns strong{font-size:17px}.detail-columns p{color:var(--muted);font-size:15px;line-height:1.7;margin-top:14px}
.capability-section{background:#f5f5f7;color:#1d1d1f}.capability-head{display:grid;grid-template-columns:1fr 300px;gap:80px;align-items:end;margin-bottom:64px}.capability-head h2{font-size:clamp(40px,5vw,70px);max-width:10ch}.capability-head>p{color:#65656a}.capability-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0}.capability-item{min-height:315px;padding:28px 30px 24px;border-left:1px solid #d5d5da;position:relative}.capability-item:last-child{border-right:1px solid #d5d5da}.capability-item>span{font-size:14px;color:#777;margin-bottom:80px;display:block}.capability-item h3{font-size:28px;margin:0 0 12px}.capability-item p{font-size:16px;line-height:1.65;color:#65656a;max-width:28ch}.capability-item small{display:block;color:#777;font-size:13px;margin-top:18px}.capability-bar{height:3px;background:#d6d6db;margin-top:28px;overflow:hidden}.capability-bar i{display:block;width:var(--level);height:100%;background:var(--accent);transform:scaleX(0);transform-origin:left}
.method-track{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:94px;position:relative}.method-line{position:absolute;top:0;left:0;right:0;height:2px;background:#303036}.method-line i{display:block;width:0;height:100%;background:var(--accent)}.method-step{padding-top:28px;position:relative;opacity:.42;transition:opacity .35s,color .35s}.method-step::before{content:"";position:absolute;top:-5px;left:0;width:12px;height:12px;border-radius:50%;background:#303036}.method-step.is-active{opacity:1;color:var(--ink)}.method-step.is-active::before{background:var(--accent);box-shadow:0 0 0 7px rgba(41,151,255,.14)}.method-step strong{display:block;font-size:21px}.method-step span{display:block;color:var(--muted);font-size:15px;line-height:1.65;margin-top:10px;max-width:28ch}.resources .section-top{align-items:end}.resource-arrow{color:var(--accent);font-size:22px}.resource-row{grid-template-columns:1fr minmax(240px,.8fr) 24px;transition:padding-left .45s var(--ease),background .45s var(--ease)}.resource-row:hover{padding-left:18px;background:#17171b}.resource-row:hover .resource-title{color:var(--accent)}
@media(max-width:850px){.project-detail{grid-template-columns:1fr;gap:44px;margin-top:70px;padding:34px 24px 38px}.detail-columns{grid-template-columns:1fr;gap:22px}.detail-columns>div{padding-top:18px}.capability-head{grid-template-columns:1fr;gap:24px;margin-bottom:40px}.capability-grid{grid-template-columns:1fr}.capability-item,.capability-item:last-child{border-right:1px solid #d5d5da;border-bottom:1px solid #d5d5da;min-height:250px}.capability-item>span{margin-bottom:36px}.method-track{grid-template-columns:1fr;margin-top:64px;gap:30px;padding-left:26px}.method-line{top:0;bottom:0;left:5px;width:2px;height:auto;right:auto}.method-line i{width:100%;height:0}.method-step{padding-top:0;padding-left:0}.method-step::before{top:3px;left:-26px}.section-side-note{text-align:left;max-width:none}.resource-row{grid-template-columns:1fr 24px}.resource-meta{grid-column:1}.resource-arrow{grid-column:2;grid-row:1/3}}
@media(max-width:500px){.detail-intro h3{font-size:30px}.capability-head h2{font-size:38px}.capability-item{padding:24px 20px}.resource-row{padding-block:18px}.resource-title{font-size:18px}.resource-meta{font-size:14px}.section-top h2{font-size:34px}}

/* Rare UI patterns adapted to the portfolio's content: rail TOC, grid image reveal, gravity title and step player. */
.scroll-rail{position:fixed;right:24px;top:50%;z-index:20;transform:translateY(-50%);display:grid;justify-items:end;gap:10px}.scroll-rail-toggle{display:inline-flex;align-items:center;gap:9px;border:0;background:transparent;color:var(--ink);font:inherit;cursor:pointer;padding:8px 0}.scroll-rail-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 5px rgba(41,151,255,.14)}.scroll-rail-label{font-size:12px;color:var(--muted);writing-mode:vertical-rl;opacity:.85}.scroll-rail-menu{display:grid;gap:8px;max-height:0;overflow:hidden;opacity:0;transform:translateY(8px);transition:max-height .4s var(--ease),opacity .25s ease,transform .4s var(--ease);text-align:right}.scroll-rail[data-open="true"] .scroll-rail-menu{max-height:220px;opacity:1;transform:none}.scroll-rail-menu a{font-size:12px;color:var(--muted);transition:color .2s,transform .35s var(--ease)}.scroll-rail-menu a:hover,.scroll-rail-menu a.is-active{color:var(--ink);transform:translateX(-4px)}
.gravity-title span{display:inline-block;will-change:transform}.gravity-title span span{display:inline-block}.method-player{display:flex;align-items:center;gap:18px;margin-top:34px;color:var(--muted)}.method-player-control{width:44px;height:44px;border:1px solid #393940;border-radius:50%;background:transparent;color:var(--ink);display:grid;place-items:center;cursor:pointer;transition:background .2s,border-color .2s,transform .2s}.method-player-control:hover{background:#1b1b20;border-color:var(--accent)}.method-player-control:active{transform:scale(.92)}.method-player-control span{display:block;width:0;height:0;border-top:6px solid transparent;border-bottom:6px solid transparent;border-left:9px solid currentColor;margin-left:2px}.method-player[data-playing="true"] .method-player-control span{width:10px;height:12px;border:0;border-left:3px solid currentColor;border-right:3px solid currentColor;margin:0}.method-player-track{display:flex;gap:5px;flex:0 1 180px;height:4px}.method-player-track i{display:block;flex:1;background:#34343b;position:relative;overflow:hidden}.method-player-track i::after{content:"";position:absolute;inset:0;background:var(--accent);transform:scaleX(0);transform-origin:left}.method-player-track i.is-done::after{transform:scaleX(1)}.method-player-track i.is-current::after{transform:scaleX(var(--step-progress,0))}.method-player-label{font-size:14px;min-width:5em}.project-evidence{margin-top:92px}.evidence-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:28px}.evidence-heading span{color:var(--accent);font-size:14px}.evidence-heading p{color:var(--muted);font-size:15px}.evidence-track{display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:16px;align-items:end}.evidence-frame{margin:0;background:#151518;overflow:clip}.evidence-frame img{height:300px;object-fit:cover;transition:transform .9s var(--ease)}.evidence-result img{height:410px;object-position:center}.evidence-process img{object-position:center}.evidence-validation img{object-position:center}.evidence-frame:hover img{transform:scale(1.035)}.evidence-frame figcaption{display:flex;justify-content:space-between;gap:12px;padding:16px 18px;color:var(--muted);font-size:13px}.evidence-frame strong{color:var(--ink);font-size:16px}.capability-bar{display:none}
@media(max-width:850px){.scroll-rail{right:14px}.method-player{margin-top:28px}.evidence-track{grid-template-columns:1fr 1fr;gap:12px}.evidence-result{grid-column:1/-1}.evidence-result img{height:300px}.evidence-frame img{height:220px}.evidence-heading{display:block}.evidence-heading p{margin-top:8px}}
@media(max-width:500px){.scroll-rail{top:auto;right:18px;bottom:18px;transform:none}.scroll-rail-label{writing-mode:horizontal-tb}.scroll-rail-menu{position:absolute;right:0;bottom:38px;background:#111114;padding:10px 12px;min-width:70px}.evidence-track{grid-template-columns:1fr}.evidence-result,.evidence-process,.evidence-validation{grid-column:auto}.evidence-frame img,.evidence-result img{height:240px}.evidence-frame figcaption{display:block}.evidence-frame figcaption span{display:block;margin-top:4px}.method-player{gap:10px}.method-player-track{flex-basis:100px}.method-player-label{font-size:13px}}
@media(prefers-reduced-motion:reduce){.scroll-rail-menu,.method-player-control,.evidence-frame img{transition:none}.gravity-title span{transform:none!important}.method-player-track i::after{transition:none}}

/* The worldview line is intentionally the hero's only large statement. */
.hero h1{font-size:clamp(58px,6vw,82px);max-width:22ch;margin-inline:auto;text-wrap:balance;line-height:1.14}
@media(max-width:500px){.hero h1{font-size:34px;line-height:1.22;max-width:11ch}}