:root{
  --bg:#070912;--bg2:#0a0f1d;--panel:rgba(17,24,43,.78);--solid:#10182b;
  --text:#f7f9ff;--muted:#aeb8cf;--dim:#7d89a4;--line:rgba(255,255,255,.1);
  --strong:rgba(255,255,255,.18);--blue:#7ea9ff;--cyan:#67ddff;--violet:#ad8dff;
  --gold:#f7c96f;--max:1220px;--serif:Georgia,"Times New Roman",serif;
  --sans:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif
}
*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--bg);scroll-padding-top:138px}
body{margin:0;min-height:100vh;overflow-x:hidden;color:var(--text);background:radial-gradient(circle at 88% 7%,rgba(103,221,255,.12),transparent 28%),radial-gradient(circle at 12% 18%,rgba(173,141,255,.1),transparent 24%),linear-gradient(180deg,#070912 0%,#0a0f1d 52%,#070912 100%);font-family:var(--sans);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}button,input{font:inherit}.shell{width:min(calc(100% - 40px),var(--max));margin:auto}.skip{position:fixed;left:16px;top:-60px;z-index:999;background:#fff;color:#000;padding:10px 14px;border-radius:10px}.skip:focus{top:16px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.topbar{position:sticky;top:0;z-index:80;background:rgba(7,9,18,.84);border-bottom:1px solid rgba(255,255,255,.07);backdrop-filter:blur(18px)}.nav{min-height:66px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:22px}.brand{display:inline-flex;align-items:center;gap:11px;width:max-content;font-weight:780;letter-spacing:-.02em}.shelfmark{width:32px;height:32px;border-radius:50%;position:relative;border:1px solid rgba(255,255,255,.24);background:radial-gradient(circle at 35% 35%,#fff 0 5%,transparent 6%),radial-gradient(circle at 68% 66%,#8ee4ff 0 7%,transparent 8%),radial-gradient(circle,rgba(126,169,255,.36),transparent 63%);box-shadow:0 0 24px rgba(126,169,255,.24)}.shelfmark i{display:none}.branch{color:var(--muted);font-size:.82rem;font-weight:620}.branch span{display:none}.nav nav{display:flex;justify-content:flex-end;gap:6px}.nav nav a{color:var(--muted);font-size:.88rem;padding:8px 11px;border-radius:999px}.nav nav a:hover,.nav nav a:focus-visible{color:#fff;background:rgba(255,255,255,.07);outline:none}
.topic-dock{border-top:1px solid rgba(255,255,255,.055);background:rgba(7,9,18,.74)}.topic-dock-inner{min-height:60px;display:grid;grid-template-columns:118px repeat(6,1fr);align-items:stretch}.dock-label{display:flex;align-items:center;color:var(--dim);font-size:.7rem;font-weight:760;letter-spacing:.1em;text-transform:uppercase}.topic-dock button{--tab:var(--blue);border:0;border-left:1px solid var(--line);background:transparent;color:var(--muted);cursor:pointer;padding:8px 10px;font-size:.75rem;font-weight:720;transition:.2s}.topic-dock button:nth-of-type(2){--tab:#72d6c8}.topic-dock button:nth-of-type(3){--tab:#ad8dff}.topic-dock button:nth-of-type(4){--tab:#f7c96f}.topic-dock button:nth-of-type(5){--tab:#ff86cf}.topic-dock button:nth-of-type(6){--tab:#79dfff}.topic-dock button span{display:block;color:var(--dim);font-size:.62rem;letter-spacing:.09em;margin-bottom:1px}.topic-dock button:hover,.topic-dock button:focus-visible{background:rgba(255,255,255,.05);color:#fff;outline:none}.topic-dock button.active{color:#fff;background:color-mix(in srgb,var(--tab) 11%,transparent);box-shadow:inset 0 -2px var(--tab)}.topic-dock button.active span{color:var(--tab)}
.hero{min-height:650px;display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:66px;padding:62px 0 76px}.breadcrumb{color:var(--dim);font-size:.9rem;margin:0 0 18px}.breadcrumb a{color:#d6e2ff;font-weight:670}.kicker{display:flex;align-items:center;gap:10px;color:#cad6ef;font-size:.8rem;font-weight:760;letter-spacing:.14em;text-transform:uppercase;margin:0 0 20px}.kicker::before{content:"";width:31px;height:1px;background:linear-gradient(90deg,var(--cyan),var(--violet))}.hero h1,.section-intro h2,.domain-head h3,.connection h2{font-family:var(--serif);margin:0;line-height:1.04;letter-spacing:-.034em}.hero h1{max-width:800px;font-size:clamp(3.6rem,6.6vw,6.8rem)}.gradient-text{color:transparent;background:linear-gradient(110deg,#fff 8%,#c6d7ff 48%,#91e4ff 90%);background-clip:text;-webkit-background-clip:text}.lede{max-width:650px;margin:24px 0 0;color:var(--muted);font-size:clamp(1.04rem,1.35vw,1.22rem)}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.button{min-height:47px;padding:0 18px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:750;border:1px solid var(--line);transition:.22s}.button.primary{color:#07101f;background:linear-gradient(110deg,#dce9ff,#8ee3ff);border-color:transparent;box-shadow:0 15px 38px rgba(103,221,255,.16)}.button.ghost{color:#fff;background:rgba(255,255,255,.04)}.button:hover,.button:focus-visible{transform:translateY(-2px);outline:none;box-shadow:0 18px 48px rgba(0,0,0,.28)}.hero-meta{display:flex;gap:28px;margin-top:42px;padding-top:22px;border-top:1px solid var(--line);max-width:590px}.hero-meta div{display:flex;flex-direction:column}.hero-meta b{font-size:1.45rem}.hero-meta span{color:var(--dim);font-size:.7rem;font-weight:690;text-transform:uppercase;letter-spacing:.08em}
.hero-visual{min-height:500px;position:relative;display:grid;place-items:center;isolation:isolate}.space-card{width:min(100%,520px);aspect-ratio:1/.92;border-radius:32px;border:1px solid var(--line);overflow:hidden;position:relative;background:radial-gradient(circle at 70% 18%,rgba(103,221,255,.17),transparent 22%),radial-gradient(circle at 25% 30%,rgba(173,141,255,.16),transparent 20%),linear-gradient(160deg,rgba(255,255,255,.05),rgba(255,255,255,.015));box-shadow:0 24px 70px rgba(0,0,0,.32)}.stars,.stars::before,.stars::after{position:absolute;inset:0;content:"";background-image:radial-gradient(circle,rgba(255,255,255,.9) 0 1px,transparent 1.2px),radial-gradient(circle,rgba(151,207,255,.75) 0 1px,transparent 1.2px);background-size:52px 52px,87px 87px;background-position:0 0,26px 18px;opacity:.34}.stars::before{transform:translate(18px,14px) scale(.78);opacity:.28}.stars::after{transform:translate(-14px,8px) scale(.58);opacity:.22}.planet-main{width:170px;aspect-ratio:1;border-radius:50%;position:absolute;left:50%;top:49%;transform:translate(-50%,-50%);z-index:4;background:radial-gradient(circle at 34% 30%,#fff 0 3%,#cee5ff 10%,#7ea9ff 32%,#3e4e9d 58%,#111a36 76%);box-shadow:0 0 48px rgba(126,169,255,.42),0 0 105px rgba(126,169,255,.18)}.ring{position:absolute;left:50%;top:49%;width:315px;height:120px;transform:translate(-50%,-50%) rotate(-14deg);border-radius:50%;border:2px solid rgba(212,229,255,.55);box-shadow:inset 0 0 12px rgba(255,255,255,.1);z-index:5}.ring::after{content:"";position:absolute;inset:9px;border-radius:50%;border:1px solid rgba(103,221,255,.24)}.field-lines{position:absolute;inset:0;z-index:2;opacity:.72}.field-lines path{fill:none;stroke:url(#fieldGradient);stroke-width:1.25;stroke-linecap:round;stroke-dasharray:3 8;animation:drift 11s linear infinite}@keyframes drift{to{stroke-dashoffset:-110}}.data-chip{position:absolute;z-index:8;display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:15px;border:1px solid var(--line);background:rgba(8,12,23,.78);backdrop-filter:blur(14px);box-shadow:0 14px 36px rgba(0,0,0,.26)}.data-chip i{width:10px;aspect-ratio:1;border-radius:50%;background:var(--cyan);box-shadow:0 0 14px rgba(103,221,255,.65);flex:none}.data-chip strong,.data-chip small{display:block}.data-chip strong{font-size:.83rem}.data-chip small{color:var(--dim);font-size:.74rem}.chip-one{left:18px;top:22px}.chip-two{right:17px;bottom:20px}.chip-two i{background:var(--violet);box-shadow:0 0 14px rgba(173,141,255,.65)}
.section{padding:82px 0;border-bottom:1px solid rgba(255,255,255,.06)}.section-intro{max-width:900px}.section-intro.split{display:grid;grid-template-columns:1fr minmax(280px,500px);gap:46px;align-items:end;max-width:none;margin-bottom:34px}.section-intro h2{font-size:clamp(2.5rem,4.8vw,4.7rem)}.section-intro>p{margin:0;color:var(--muted);font-size:1.02rem}.section-intro.compact>p:last-child{margin-top:18px;max-width:720px}.paths{background:linear-gradient(180deg,rgba(255,255,255,.018),transparent)}.path-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.path-grid button{--accent:rgba(103,221,255,.28);min-height:280px;padding:26px;position:relative;overflow:hidden;text-align:left;color:var(--text);border-radius:28px;border:1px solid var(--line);background:linear-gradient(145deg,rgba(255,255,255,.045),rgba(255,255,255,.012)),var(--panel);box-shadow:0 17px 48px rgba(0,0,0,.16);cursor:pointer;transition:.24s}.path-grid button:nth-child(2){--accent:rgba(173,141,255,.3)}.path-grid button:nth-child(3){--accent:rgba(247,201,111,.24)}.path-grid button::before{content:"";position:absolute;width:165px;height:165px;right:-57px;bottom:-65px;border-radius:50%;background:radial-gradient(circle,var(--accent),transparent 68%)}.path-grid button:hover,.path-grid button:focus-visible{transform:translateY(-5px);border-color:var(--strong);box-shadow:0 24px 62px rgba(0,0,0,.24);outline:none}.path-grid button>span{color:var(--dim);font-size:.77rem;font-weight:760;letter-spacing:.09em}.path-grid h3{font-family:var(--serif);font-size:1.86rem;line-height:1.1;letter-spacing:-.03em;margin:38px 0 0}.path-grid p{margin:14px 0 19px;color:var(--muted);font-size:.95rem}.path-grid b{display:inline-flex;gap:8px;color:#dce7ff;font-size:.93rem}
.browser{background:radial-gradient(circle at 100% 12%,rgba(103,221,255,.06),transparent 25%)}.controls{margin:34px 0 0;display:flex;align-items:center;gap:18px}.search{width:min(470px,100%);min-height:50px;display:flex;align-items:center;gap:11px;padding:0 16px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.035)}.search:focus-within{border-color:rgba(103,221,255,.55);box-shadow:0 0 0 4px rgba(103,221,255,.08)}.search svg{width:19px;height:19px;fill:none;stroke:var(--muted);stroke-width:1.7}.search input{width:100%;border:0;outline:0;background:transparent;color:var(--text);font-size:.95rem}.search input::placeholder{color:var(--dim)}.search-note,.results{color:var(--dim);font-size:.74rem;font-weight:680;letter-spacing:.08em;text-transform:uppercase}.results{margin:15px 0 0}.results span{color:var(--cyan)}
.domain{--accent:var(--blue);--rgb:126,169,255;padding-top:58px}.domain[data-domain="matter"]{--accent:#72d6c8;--rgb:114,214,200}.domain[data-domain="waves"]{--accent:#ad8dff;--rgb:173,141,255}.domain[data-domain="fields"]{--accent:#f7c96f;--rgb:247,201,111}.domain[data-domain="light"]{--accent:#ff86cf;--rgb:255,134,207}.domain[data-domain="modern"]{--accent:#79dfff;--rgb:121,223,255}.domain[hidden]{display:none}.domain-head{display:grid;grid-template-columns:1fr minmax(270px,470px);gap:42px;align-items:end;padding:34px 36px;border:1px solid rgba(var(--rgb),.22);border-radius:28px;background:radial-gradient(circle at 92% 8%,rgba(var(--rgb),.13),transparent 32%),linear-gradient(145deg,rgba(var(--rgb),.06),rgba(173,141,255,.025)),var(--solid);box-shadow:0 20px 60px rgba(0,0,0,.2);position:relative;overflow:hidden}.domain-head>div{position:relative}.domain-head .kicker{color:var(--accent)}.domain-head h3{font-size:clamp(2.5rem,4.5vw,4.4rem);max-width:720px}.domain-head>p{margin:0;color:var(--muted);font-size:1rem}.domain-no{position:absolute;right:-12px;bottom:-38px;font-family:var(--serif);font-size:10rem;line-height:1;color:rgba(var(--rgb),.055);pointer-events:none}.concept-grid{margin-top:20px;counter-reset:item}.concept{counter-increment:item;display:grid;grid-template-columns:minmax(240px,.72fr) minmax(0,1.28fr);grid-template-rows:auto auto auto;gap:0 54px;position:relative;padding:34px 30px;border-top:1px solid var(--line);transition:.2s}.concept:last-child{border-bottom:1px solid var(--line)}.concept::before{content:counter(item,decimal-leading-zero);position:absolute;left:0;top:37px;color:rgba(var(--rgb),.55);font-family:var(--serif);font-size:.86rem}.concept:hover{background:rgba(var(--rgb),.025)}.concept[hidden]{display:none}.concept .tag{grid-column:1;grid-row:1;width:max-content;padding:5px 9px;border-radius:999px;background:rgba(var(--rgb),.11);color:var(--accent);font-size:.69rem;font-weight:760;letter-spacing:.08em;text-transform:uppercase}.concept h4{grid-column:1;grid-row:2 / span 3;font-family:var(--serif);font-size:clamp(1.55rem,2.6vw,2.25rem);line-height:1.08;letter-spacing:-.03em;margin:18px 0 0}.concept>p{grid-column:2;grid-row:1;margin:0;color:var(--muted);font-size:1rem;line-height:1.72}.applications{grid-column:2;grid-row:2;margin:20px 0 0;padding:14px 16px;border-left:2px solid var(--accent);border-radius:0 12px 12px 0;background:rgba(var(--rgb),.06);color:#dce5f7;font-size:.9rem}.applications strong{color:var(--accent);font-size:.72rem;letter-spacing:.09em;text-transform:uppercase;margin-right:8px}.concept details{grid-column:2;grid-row:3;margin-top:18px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.025);overflow:hidden}.concept summary{cursor:pointer;list-style:none;padding:13px 15px;color:#dce7ff;font-size:.77rem;font-weight:740;letter-spacing:.07em;text-transform:uppercase;display:flex;justify-content:space-between;gap:12px}.concept summary::-webkit-details-marker{display:none}.concept summary::after{content:"+";color:var(--accent);font-size:1.05rem}.concept details[open] summary::after{content:"−"}.concept details div{padding:15px;border-top:1px solid var(--line)}.concept details b{display:block;color:#fff;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:1rem}.concept details p{margin:7px 0 0;color:var(--muted);font-size:.9rem}.empty{text-align:center;padding:80px 20px;border:1px solid var(--line);border-radius:22px;margin-top:40px}.empty span{font-size:2rem;color:var(--cyan)}.empty h3{font-family:var(--serif);font-size:1.7rem;margin:12px 0 4px}.empty p{color:var(--muted);margin:0}.browser.searching .domain{display:block;padding-top:48px}.browser.searching .concept[hidden]{display:none}
.connection{background:linear-gradient(180deg,rgba(255,255,255,.015),transparent)}.connection-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:start}.connection h2{font-size:clamp(2.6rem,4.7vw,4.6rem)}.chain{border-top:1px solid var(--line)}.chain div{display:grid;grid-template-columns:1fr 90px 1fr;gap:18px;padding:17px 0;border-bottom:1px solid var(--line);align-items:center}.chain b{font-size:.92rem}.chain b:last-child{text-align:right}.chain span{text-align:center;color:var(--dim);font-size:.7rem;font-weight:680;letter-spacing:.08em;text-transform:uppercase}
footer{padding:48px 0 64px;border-top:1px solid rgba(255,255,255,.07);color:var(--dim)}.footer-grid{display:grid;grid-template-columns:1.5fr .7fr .7fr;gap:40px}.footer-grid>div{display:flex;flex-direction:column;align-items:flex-start;gap:9px}.footer-grid p{max-width:360px;margin:8px 0 0}.footer-grid>div:not(:first-child) a{color:var(--muted);font-size:.9rem}.footer-label{color:var(--cyan);font-size:.72rem;font-weight:760;letter-spacing:.1em;text-transform:uppercase;margin-bottom:5px}.to-top{position:fixed;right:20px;bottom:20px;width:43px;height:43px;border:1px solid var(--line);border-radius:50%;background:rgba(7,9,18,.82);color:#fff;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(8px);transition:.2s;backdrop-filter:blur(12px)}.to-top.show{opacity:1;visibility:visible;transform:none}
@media(max-width:1020px){html{scroll-padding-top:132px}.nav{grid-template-columns:1fr auto}.branch{display:none}.topic-dock-inner{grid-template-columns:repeat(6,minmax(112px,1fr));overflow-x:auto}.dock-label{display:none}.hero{min-height:0;grid-template-columns:1fr;gap:34px;padding-top:56px}.hero-copy{max-width:850px}.hero-visual{min-height:430px}.space-card{width:min(76vw,510px)}.section-intro.split,.domain-head,.connection-grid{grid-template-columns:1fr}.path-grid{grid-template-columns:1fr}.path-grid button{min-height:220px}.concept{grid-template-columns:minmax(210px,.65fr) 1.35fr;gap:0 36px}}
@media(max-width:720px){html{scroll-padding-top:120px}.shell{width:min(calc(100% - 26px),var(--max))}.nav{min-height:58px}.nav nav a{display:none}.nav nav a:last-child{display:block}.topic-dock-inner{width:100%;padding-left:13px;padding-right:13px;grid-template-columns:none;display:flex}.topic-dock button{flex:0 0 auto;min-width:116px}.hero{padding:43px 0 58px}.hero h1{font-size:clamp(3rem,14vw,4.8rem)}.hero-meta{gap:17px}.hero-visual{min-height:330px}.space-card{width:min(92vw,460px)}.planet-main{width:124px}.ring{width:238px;height:91px}.data-chip{padding:10px 11px}.chip-one{left:10px;top:12px}.chip-two{right:10px;bottom:12px}.section{padding:66px 0}.section-intro.split{gap:18px}.path-grid button{min-height:235px}.controls{align-items:flex-start;flex-direction:column;gap:10px}.domain-head{padding:27px 23px;gap:18px}.domain-no{font-size:7rem}.concept{display:block;padding:28px 12px 30px 28px}.concept::before{left:2px;top:31px}.concept h4{margin:15px 0 18px}.concept>p{font-size:.97rem}.applications{margin-top:18px}.concept details{margin-top:15px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.chain div{grid-template-columns:1fr 62px 1fr;gap:8px}}
@media(max-width:440px){.hero-meta{justify-content:space-between;gap:8px}.hero-meta b{font-size:1.25rem}.hero-meta span{font-size:.58rem}.data-chip small{display:none}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}}
.concept details{display:none}.read-link{grid-column:2;grid-row:3;width:max-content;display:inline-flex;align-items:center;gap:9px;margin-top:20px;color:#f3f7ff;font-size:.82rem;font-weight:760;letter-spacing:.03em}.read-link span{color:var(--accent);font-size:1.05rem;transition:transform .2s}.read-link:hover span,.read-link:focus-visible span{transform:translateX(4px)}.concept.linked{cursor:pointer}
@media(min-width:1120px){:root{--max:1380px}.hero{min-height:calc(100vh - 127px);max-height:850px;grid-template-columns:minmax(0,1.12fr) minmax(440px,.88fr);gap:clamp(54px,6vw,96px);padding-top:48px;padding-bottom:62px}.hero h1{font-size:clamp(4.35rem,5.6vw,6.25rem)}.hero-visual{min-height:0}.space-card{width:min(100%,540px)}.browser>.shell{width:min(calc(100% - 64px),1320px)}.domain-head{padding:38px 42px}.concept-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line);margin-top:26px}.concept{display:flex;flex-direction:column;min-height:450px;padding:34px 38px;border:0;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.concept:last-child{border-bottom:1px solid var(--line)}.concept::before{left:17px;top:37px}.concept h4{margin:24px 0 20px;max-width:480px}.concept>p{font-size:.98rem}.concept .applications{margin-top:auto;padding-top:22px}.concept .read-link{margin-top:22px}.concept:hover{background:linear-gradient(145deg,rgba(var(--rgb),.055),rgba(255,255,255,.012))}.browser.searching .concept{min-height:420px}}
@media(min-width:900px) and (max-width:1119px){.browser>.shell{width:min(calc(100% - 44px),1080px)}.concept-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line);margin-top:24px}.concept{display:flex;flex-direction:column;min-height:470px;padding:30px 28px;border:0;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.concept::before{left:11px;top:33px}.concept h4{margin:22px 0 18px}.concept .applications{margin-top:auto}.concept .read-link{margin-top:20px}}
@media(max-width:720px){.read-link{margin-top:18px}.topic-dock a{flex:0 0 auto;min-width:116px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}
@media print{.topbar,.hero-actions,.controls,.to-top{display:none}.concept{break-inside:avoid;display:block}.applications,.concept details{margin-top:12px}body{background:#fff;color:#000}.concept>p,.applications,.domain-head>p{color:#333}}