@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=DM+Sans:wght@400;500;600;700&family=Noto+Serif+SC:wght@400;500;600&display=swap');

:root{color-scheme:dark;--bg:#0c161e;--surface:#111f28;--surface-2:#172630;--paper:#f2ece0;--paper-dim:#c9c8c2;--muted:#91a3a8;--line:rgba(213,228,221,.16);--line-strong:rgba(218,236,228,.29);--accent:#e2b781;--accent-strong:#f2d0a2;--deep:#0b171f;--chart-core:#0d1b23;--serif:'Noto Serif SC','Songti SC','SimSun',serif;--sans:'DM Sans','Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;--mono:'DM Mono','SFMono-Regular',Consolas,monospace}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--paper);font-family:var(--sans);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}body.light{color-scheme:light;--bg:#f5f0e8;--surface:#fffaf2;--surface-2:#efe7da;--paper:#162731;--paper-dim:#42545a;--muted:#5a7278;--line:rgba(21,44,53,.15);--line-strong:rgba(25,48,56,.31);--accent:#ac6f36;--accent-strong:#92521a;--deep:#f5f0e8;--chart-core:#f5f0e8}a{color:inherit;text-decoration:none}button{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:4px}::selection{color:var(--deep);background:var(--accent)}.skip-link{position:absolute;left:16px;top:-60px;background:var(--accent);color:var(--deep);padding:9px 14px;z-index:100}.skip-link:focus{top:12px}.site-shell{max-width:1920px;margin:auto;overflow:hidden}.site-header{height:88px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(24px,5.7vw,96px);border-bottom:1px solid var(--line);position:relative;z-index:5;background:var(--bg)}.wordmark{display:inline-flex;align-items:center;gap:12px;letter-spacing:.2em;font-weight:700;font-size:14px}.wordmark-symbol{width:33px;height:33px;color:var(--accent)}.wordmark-symbol svg{height:100%;width:100%}.wordmark-dot,.footer-brand span{color:var(--accent)}.primary-nav{display:flex;align-items:center;gap:36px;margin-left:auto;margin-right:50px}.primary-nav a{color:var(--paper-dim);font-size:12px;letter-spacing:.08em;transition:color .25s}.primary-nav a:hover{color:var(--accent)}.theme-toggle{width:40px;height:40px;display:grid;place-items:center;color:var(--paper);border:1px solid var(--line);border-radius:50%;background:transparent;cursor:pointer;transition:border-color .2s,color .2s}.theme-toggle:hover{border-color:var(--accent);color:var(--accent)}.theme-toggle svg{width:17px;height:17px}.sun-icon{display:none}.light .sun-icon{display:block}.light .moon-icon{display:none}
.hero{min-height:730px;display:grid;grid-template-columns:minmax(0,1.13fr) minmax(0,.87fr);position:relative;border-bottom:1px solid var(--line);isolation:isolate}.hero-grain{position:absolute;inset:0;z-index:-1;background-image:radial-gradient(circle at 72% 40%,rgba(92,124,127,.11),transparent 35%),linear-gradient(90deg,transparent 50%,rgba(255,255,255,.015) 50%);background-size:cover,9px 9px;pointer-events:none}.hero-content{padding:clamp(65px,8.1vw,145px) 38px 110px clamp(24px,9vw,150px);position:relative;z-index:2}.eyebrow,.hero-signature,.hero-bottom,.section-index,.section-kicker,.quote-mark,.card-top,.card-foot,.sheet-top,.sheet-bottom,.site-footer,.chart-caption,.chart-coordinate,.chart-cardinal{font-family:var(--mono);font-size:10px;letter-spacing:.13em}.eyebrow{display:flex;align-items:center;gap:13px;color:var(--accent)}.eyebrow-line{width:27px;height:1px;background:var(--accent)}.eyebrow-separator{color:var(--muted)}.hero-overline{font-family:var(--serif);font-size:14px;letter-spacing:.15em;color:var(--paper-dim);margin:52px 0 21px}.hero h1{font-family:var(--serif);font-weight:500;letter-spacing:-.057em;line-height:1.48;font-size:clamp(40px,4.5vw,75px);margin:0;white-space:nowrap}.hero h1 em,h2 em,.serif-italic{font-weight:400;font-style:normal;color:var(--accent)}.hero-lede{max-width:515px;color:var(--paper-dim);font-size:15px;line-height:2.1;margin:31px 0 37px}.hero-actions{display:flex;align-items:center;gap:32px}.button{min-height:48px;display:inline-flex;align-items:center;justify-content:center;gap:36px;padding:0 22px;border-radius:0;font-size:12px;font-weight:600;letter-spacing:.075em;cursor:pointer;transition:transform .2s,background .2s,color .2s,border-color .2s}.button:hover{transform:translateY(-2px)}.button-primary{background:var(--accent);color:var(--deep);border:1px solid var(--accent)}.button-primary:hover{background:var(--accent-strong)}.text-link{font-size:12px;color:var(--paper-dim);border-bottom:1px solid var(--line-strong);padding-bottom:6px;transition:color .2s}.text-link:hover{color:var(--accent)}.text-link span{margin-left:16px}.hero-signature{margin-top:76px;color:var(--muted);display:flex;gap:14px;align-items:center;letter-spacing:.07em}.signature-line{height:1px;width:30px;background:var(--line-strong)}
.hero-chart{position:relative;overflow:hidden;min-height:700px;border-left:1px solid var(--line);background:radial-gradient(circle at 49% 47%,rgba(159,194,189,.04),transparent 43%),linear-gradient(130deg,rgba(239,211,170,.015),transparent 60%)}.chart-ring{position:absolute;border:1px solid rgba(194,215,209,.16);border-radius:50%;left:50%;top:47%;transform:translate(-50%,-50%)}.chart-ring-one{width:min(30vw,440px);height:min(30vw,440px)}.chart-ring-two{width:min(41vw,590px);height:min(41vw,590px);border-style:dashed;border-color:rgba(194,215,209,.10)}.chart-ring-three{width:min(54vw,800px);height:min(54vw,800px);border-color:rgba(194,215,209,.08)}.chart-axis{position:absolute;background:rgba(194,215,209,.09)}.chart-axis-vertical{width:1px;height:100%;left:50%;top:0}.chart-axis-horizontal{height:1px;width:100%;left:0;top:47%}.chart-diagonal{position:absolute;width:140%;height:1px;left:-20%;top:47%;transform:rotate(-37deg);background:rgba(194,215,209,.06)}.chart-cardinal{position:absolute;color:var(--accent);font-size:12px}.cardinal-n{left:50%;top:14%;transform:translateX(-50%)}.cardinal-s{left:50%;top:76%;transform:translateX(-50%)}.cardinal-w{left:17%;top:47%;transform:translateY(-50%)}.cardinal-e{right:17%;top:47%;transform:translateY(-50%)}.chart-compass{position:absolute;width:min(28vw,410px);height:min(28vw,410px);left:50%;top:47%;transform:translate(-50%,-50%) rotate(10deg);color:var(--accent);opacity:.85;animation:compassFloat 16s ease-in-out infinite alternate}.chart-orbit-point{position:absolute;height:7px;width:7px;border-radius:50%;background:var(--accent);left:calc(50% + min(15vw,220px));top:47%;box-shadow:0 0 0 5px rgba(226,183,129,.12),0 0 28px rgba(226,183,129,.35)}.chart-coordinate{position:absolute;left:11%;color:var(--muted)}.coordinate-top{top:12%}.coordinate-bottom{bottom:14%}.chart-caption{position:absolute;bottom:43px;left:10%;right:10%;display:flex;justify-content:space-between;color:var(--paper-dim)}.hero-bottom{position:absolute;bottom:0;left:0;width:100%;height:47px;border-top:1px solid var(--line);display:flex;align-items:center;gap:22px;padding:0 clamp(24px,5.7vw,96px);color:var(--muted);z-index:3}.hero-bottom .down-arrow{font:18px var(--sans);color:var(--accent)}.hero-bottom span:last-child{margin-left:auto}
.section-wrap{padding-left:clamp(24px,9vw,150px);padding-right:clamp(24px,9vw,150px)}.section-index{padding-top:26px;display:flex;gap:24px;border-top:1px solid var(--line);color:var(--muted)}.section-index span:first-child{color:var(--accent)}.section-kicker{color:var(--accent);margin:0 0 19px}.intro{padding-top:106px;padding-bottom:116px}.intro-layout{display:grid;grid-template-columns:1fr 1fr;gap:9vw;padding-top:63px}.intro h2,.explore-heading h2,.journal h2,.closing h2{font-family:var(--serif);font-size:clamp(32px,3.6vw,55px);line-height:1.55;font-weight:500;letter-spacing:-.055em;margin:0}.intro-copy{padding-top:28px;max-width:460px;color:var(--paper-dim);font-size:15px;line-height:2.1}.intro-copy p{margin:0 0 18px}.intro-copy strong{color:var(--paper)}.quote-mark{display:flex;align-items:center;gap:15px;margin-top:36px;color:var(--accent);font-size:10px;white-space:nowrap}.quote-rule{width:28px;height:1px;background:var(--accent)}
.explorations{padding-top:80px;padding-bottom:116px;background:var(--surface)}.explore-heading{display:flex;justify-content:space-between;align-items:end;gap:35px;padding:55px 0 44px}.explore-heading p:last-child{color:var(--muted);font-size:13px;margin:0;line-height:2.0}.explore-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.explore-card{min-height:390px;background:var(--bg);border:1px solid var(--line);padding:29px 31px 25px;display:flex;flex-direction:column;transition:transform .3s,border-color .3s}.explore-card:hover{transform:translateY(-4px);border-color:var(--line-strong)}.card-top,.card-foot{display:flex;justify-content:space-between;color:var(--muted)}.card-top span:last-child{font-family:var(--serif);font-size:18px;color:var(--accent);line-height:1}.card-illustration{height:134px;position:relative;color:var(--accent);overflow:hidden}.math-art svg{position:absolute;width:210px;height:110px;top:18px;left:50%;transform:translateX(-50%)}.code-art{display:flex;flex-direction:column;justify-content:center;align-items:flex-start;padding-left:20%;gap:7px;font-family:var(--mono);color:var(--accent);font-size:12px;letter-spacing:0}.code-indent{padding-left:19px;color:var(--paper-dim)}.code-cursor{width:6px;height:12px;background:var(--accent);margin-left:19px;animation:blink 1.2s step-end infinite}.science-art{display:grid;place-items:center}.science-orbit{position:absolute;width:170px;height:50px;border:1px solid var(--accent);border-radius:50%;left:50%;top:50%;opacity:.67}.science-orbit-a{transform:translate(-50%,-50%) rotate(0deg)}.science-orbit-b{transform:translate(-50%,-50%) rotate(60deg)}.science-orbit-c{transform:translate(-50%,-50%) rotate(120deg)}.science-nucleus{width:12px;height:12px;background:var(--accent);border-radius:50%;box-shadow:0 0 0 9px rgba(226,183,129,.08)}.photo-art{display:grid;place-items:center}.photo-frame{width:180px;height:105px;border:1px solid var(--accent);position:relative;overflow:hidden;background:linear-gradient(180deg,rgba(226,183,129,.09),transparent)}.photo-horizon{position:absolute;top:61%;left:0;width:100%;height:1px;background:var(--accent);opacity:.5}.photo-sun{width:26px;height:26px;border:1px solid var(--accent);border-radius:50%;position:absolute;top:23px;right:34px}.photo-hill{position:absolute;bottom:-55px;width:145px;height:120px;border-radius:50%;border:1px solid var(--accent);background:var(--surface);opacity:.7}.photo-hill.one{left:-35px}.photo-hill.two{right:-40px;bottom:-68px}.explore-card h3{font-family:var(--serif);font-weight:500;font-size:19px;letter-spacing:-.02em;margin:6px 0 8px}.explore-card p{font-size:13px;line-height:1.9;color:var(--paper-dim);margin:0 0 26px;max-width:400px}.card-foot{margin-top:auto;border-top:1px solid var(--line);padding-top:18px;font-size:9px}.card-foot span:last-child{color:var(--accent);font-size:15px}
.journal{padding-top:106px;padding-bottom:126px}.journal-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:11%;padding-top:70px}.journal-heading>p:not(.section-kicker){font-size:14px;color:var(--paper-dim);line-height:2;max-width:315px;margin:25px 0 30px}.button-outline{background:transparent;border:1px solid var(--line-strong);color:var(--paper);gap:28px}.button-outline:hover{border-color:var(--accent);color:var(--accent)}.question-sheet{min-height:360px;border:1px solid var(--line-strong);background:linear-gradient(140deg,rgba(226,183,129,.07),transparent 70%);padding:25px 29px 22px;display:flex;flex-direction:column;position:relative}.sheet-top,.sheet-bottom{display:flex;justify-content:space-between;color:var(--muted)}.sheet-bottom{border-top:1px solid var(--line);padding-top:18px}.sheet-content{flex:1;display:flex;align-items:center;position:relative;z-index:1}.question-mark{position:absolute;font-family:var(--serif);font-size:220px;opacity:.06;color:var(--accent);right:6px;top:-105px;z-index:-1}.sheet-content p{font-family:var(--serif);font-size:clamp(22px,2vw,29px);font-weight:500;letter-spacing:-.03em;line-height:1.85;max-width:420px;margin:0;transition:opacity .12s}.sheet-content p.fade{opacity:0}
.closing{text-align:center;padding-top:106px;padding-bottom:120px;background:radial-gradient(ellipse at 50% 60%,rgba(226,183,129,.07),transparent 47%);border-top:1px solid var(--line)}.closing h2{font-size:clamp(34px,4.1vw,66px);margin-top:20px}.closing>p:not(.section-kicker){font-size:14px;color:var(--paper-dim);margin:26px 0 34px}.back-top{font-size:12px;color:var(--accent);border-bottom:1px solid var(--accent);padding-bottom:8px}.back-top span{margin-left:20px}.site-footer{padding:31px clamp(24px,5.7vw,96px);border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:20px;color:var(--muted);font-size:9px}.footer-brand{color:var(--paper);font-family:var(--sans);font-weight:700;font-size:13px;letter-spacing:.17em}.footer-coordinates{max-width:300px;text-align:right}
@keyframes compassFloat{from{transform:translate(-50%,-50%) rotate(10deg)}to{transform:translate(-50%,-50%) rotate(15deg)}}@keyframes blink{50%{opacity:0}}
@media (max-width:1050px){.hero{grid-template-columns:1fr .8fr;min-height:620px}.hero-content{padding-left:55px;padding-top:94px}.hero-chart{min-height:600px}.hero h1{font-size:clamp(34px,4.5vw,54px)}.chart-ring-one{width:280px;height:280px}.chart-ring-two{width:390px;height:390px}.chart-ring-three{width:510px;height:510px}.chart-compass{width:260px;height:260px}.chart-orbit-point{left:calc(50% + 140px)}.site-header{padding:0 35px}.section-wrap{padding-left:55px;padding-right:55px}}
@media (max-width:750px){.site-header{height:70px;padding:0 23px}.wordmark{font-size:12px;gap:8px}.wordmark-symbol{width:29px;height:29px}.primary-nav{display:none}.hero{display:flex;flex-direction:column;min-height:0}.hero-content{padding:58px 27px 58px}.eyebrow{font-size:9px}.hero-overline{margin:40px 0 15px;font-size:12px}.hero h1{font-size:clamp(34px,9.1vw,55px);white-space:normal;line-height:1.55}.hero-lede{font-size:13px;margin:24px 0 30px}.hero-actions{gap:20px;flex-wrap:wrap}.button{gap:18px;min-height:45px}.hero-signature{margin-top:45px;font-size:8px}.hero-chart{height:330px;min-height:330px;border-left:0;border-top:1px solid var(--line)}.chart-ring-one{width:240px;height:240px}.chart-ring-two{width:310px;height:310px}.chart-ring-three{width:425px;height:425px}.chart-compass{width:220px;height:220px}.chart-orbit-point{left:calc(50% + 120px)}.chart-coordinate{font-size:8px}.coordinate-top{top:8%}.coordinate-bottom{bottom:17%}.cardinal-n{top:4%}.cardinal-s{top:83%}.cardinal-w{left:10%}.cardinal-e{right:10%}.chart-caption{bottom:25px;font-size:8px}.hero-bottom{position:relative;min-height:45px;font-size:8px;padding:0 25px}.section-wrap{padding-left:25px;padding-right:25px}.intro,.journal{padding-top:68px;padding-bottom:75px}.intro-layout,.journal-grid{grid-template-columns:1fr;gap:28px;padding-top:37px}.intro h2,.explore-heading h2,.journal h2{font-size:clamp(28px,7.5vw,42px)}.intro-copy{padding-top:0;font-size:13px}.quote-mark{font-size:8px}.explorations{padding-top:64px;padding-bottom:76px}.explore-heading{padding:35px 0 29px;display:block}.explore-heading>p{margin-top:18px!important;font-size:12px!important}.explore-grid{grid-template-columns:1fr;gap:12px}.explore-card{min-height:310px;padding:23px 24px 19px}.card-illustration{height:110px}.explore-card h3{font-size:18px}.explore-card p{font-size:12px}.journal-grid{gap:33px}.journal-heading>p:not(.section-kicker){font-size:13px;margin:17px 0 25px}.question-sheet{min-height:300px;padding:20px}.sheet-content p{font-size:22px}.sheet-top,.sheet-bottom{font-size:9px}.closing{padding-top:80px;padding-bottom:84px}.closing h2{font-size:clamp(30px,8vw,43px)}.closing>p:not(.section-kicker){font-size:12px}.site-footer{padding:27px 25px;flex-wrap:wrap}.footer-coordinates{display:none}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}