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/* 2026 visual direction — editorial science / luminous instrumentation */
:root{--ink:#f4f1e8;--paper:#090b0d;--lime:#d8ff45;--mint:#5ff0bf;--orange:#ff6948;--line:rgba(255,255,255,.12);--muted:#929a96;--white:#111518;--shadow:0 35px 90px rgba(0,0,0,.42);--panel:rgba(20,24,25,.72)}
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.topbar{height:74px;padding:0 4vw;background:rgba(9,11,13,.78);border-color:rgba(255,255,255,.1);backdrop-filter:blur(24px) saturate(150%)}
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.status{color:#aab3ae}.status i{background:var(--mint);box-shadow:0 0 0 4px rgba(95,240,191,.1),0 0 18px rgba(95,240,191,.7)}
.hero{min-height:720px;padding:125px 7vw 78px;display:flex;flex-direction:column;justify-content:center;overflow:hidden;border-color:var(--line)}
.hero:before{content:"118";position:absolute;right:-1vw;top:40px;font:500 clamp(210px,30vw,470px)/.8 "Times New Roman",serif;letter-spacing:-.09em;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.09);pointer-events:none}
.hero:after{content:"PERIODIC MATTER INDEX";position:absolute;right:7vw;top:115px;writing-mode:vertical-rl;font:600 9px/1 monospace;letter-spacing:.32em;color:#69716d}
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.stats{right:7vw;bottom:76px;background:rgba(17,21,24,.72);border-color:rgba(255,255,255,.12);backdrop-filter:blur(20px);border-radius:18px;overflow:hidden}.stats div{border-color:rgba(255,255,255,.1);min-width:132px}.stats strong{font-family:"Times New Roman",serif;color:var(--lime);font-size:40px}.stats span{color:#8f9893;letter-spacing:.08em}
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.filters{gap:7px;margin-block:28px 36px}.filter{border-color:rgba(255,255,255,.12);color:#929a96;padding:9px 15px;transition:.2s}.filter:hover{border-color:rgba(216,255,69,.5);color:white}.filter.active{background:var(--lime);border-color:var(--lime);color:#0a0d0c}
.grid{grid-template-columns:repeat(5,1fr);gap:10px}.card{min-height:250px;border-color:rgba(255,255,255,.1);background:linear-gradient(145deg,rgba(255,255,255,.065),rgba(255,255,255,.022));border-radius:15px;overflow:hidden;isolation:isolate;transition:.35s cubic-bezier(.2,.8,.2,1)}.card:before{content:"";position:absolute;inset:auto -35% -70% 20%;height:150px;background:radial-gradient(circle,rgba(216,255,69,.16),transparent 65%);z-index:-1;transition:.35s}.card:hover{transform:translateY(-8px);background:rgba(24,29,29,.92);border-color:rgba(216,255,69,.32);box-shadow:0 28px 65px rgba(0,0,0,.35)}.card:hover:before{transform:translateY(-25px);opacity:1}.card .top{color:#747d78}.card .symbol{font-family:"Times New Roman",serif;font-size:68px;color:#f5f3ec;letter-spacing:-.04em}.card h3{font-size:14px;font-weight:600}.card h3 small{color:#727a76;font-weight:400}.card .tag{background:rgba(95,240,191,.12);color:var(--mint);border:1px solid rgba(95,240,191,.18);border-radius:99px}.card .price{color:#818a85}.empty{border-color:var(--line)}
dialog{background:#111517;color:var(--ink);border:1px solid rgba(255,255,255,.12);border-radius:22px;box-shadow:0 40px 120px rgba(0,0,0,.75)}dialog::backdrop{background:rgba(2,4,5,.82);backdrop-filter:blur(14px)}.close{color:white;background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.15)}.detail-hero{background:radial-gradient(circle at 10% 0,rgba(216,255,69,.12),transparent 35%),#0c0f11}.detail-symbol{border-color:rgba(216,255,69,.34);color:var(--lime);border-radius:18px;background:rgba(216,255,69,.035)}.detail-hero p{color:#a4ada8}.fact-grid{border-color:var(--line);border-radius:14px;overflow:hidden}.fact{border-color:var(--line)}.fact small,.detail-section p{color:#929b96}.source-box{background:rgba(95,240,191,.055);border-color:rgba(95,240,191,.17);border-radius:14px}.source-links a{background:var(--lime);color:#0b0e0c;border-radius:99px}.warning{background:rgba(255,105,72,.1);border-color:var(--orange)}
.about-grid{gap:12px}.about-grid article{position:relative;min-height:270px;border-color:rgba(255,255,255,.1);background:linear-gradient(145deg,rgba(255,255,255,.06),rgba(255,255,255,.02));border-radius:18px;overflow:hidden}.about-grid article:after{content:"";position:absolute;width:120px;height:120px;border:1px solid rgba(216,255,69,.12);border-radius:50%;right:-35px;top:-35px}.about-grid span{color:var(--lime)}.about-grid p{color:#929a96}
.lab-layout{border-color:rgba(255,255,255,.12);background:rgba(15,18,20,.72);border-radius:24px;overflow:hidden;box-shadow:0 40px 100px rgba(0,0,0,.25)}.lab-console{border-color:var(--line);padding:38px;background:linear-gradient(150deg,rgba(255,255,255,.035),transparent)}.console-block select,.console-options select,.extra-reactant>select,.amount-control input{background:#151a1c;color:#f5f3ed;border-color:rgba(255,255,255,.12);border-radius:9px}.console-block select:focus,.console-options select:focus,.extra-reactant>select:focus,.amount-control input:focus{outline:1px solid var(--lime)}.selected-element{background:rgba(95,240,191,.06);border:1px solid rgba(95,240,191,.12);border-radius:12px}.selected-element strong{color:var(--mint)}.console-plus{color:var(--lime)}.add-reactant{border-color:rgba(216,255,69,.28);background:rgba(216,255,69,.04);color:white;border-radius:11px}.run-button{background:var(--lime);color:#0b0e0c;border-radius:11px;padding:18px 20px;transition:.25s}.run-button:hover{box-shadow:0 16px 38px rgba(216,255,69,.13);transform:translateY(-2px)}.run-button:hover span{color:#0b0e0c}.lab-stage{background:radial-gradient(circle at 50% 31%,rgba(95,240,191,.12),transparent 34%),#080b0d;padding:34px}.vessel{border-color:rgba(255,255,255,.32);filter:drop-shadow(0 18px 30px rgba(0,0,0,.4))}.vessel:before,.vessel:after{border-color:rgba(255,255,255,.32)}.liquid{background:linear-gradient(rgba(95,240,191,.9),rgba(26,128,100,.82));box-shadow:0 0 40px rgba(95,240,191,.18)}.result-panel{background:rgba(255,255,255,.045);border-color:rgba(255,255,255,.12);border-radius:14px;backdrop-filter:blur(10px)}.result-panel .equation,.multi-equations code{color:var(--lime)}.experiment-log{border-color:var(--line);background:rgba(255,255,255,.025);border-radius:16px;overflow:hidden}.log-head,.log-item{border-color:var(--line)}
footer{border-color:var(--line);color:#717975}
@media(max-width:1100px){.grid{grid-template-columns:repeat(4,1fr)}.hero:before{right:-5vw}.stats{position:static;margin-top:48px;align-self:flex-start}}
@media(max-width:800px){.grid{grid-template-columns:repeat(3,1fr)}.topbar{padding-inline:22px}.brand small{display:none}.hero{min-height:auto;padding-top:95px}.hero:after{display:none}.stats{width:100%}.lab-console{padding:26px}}
@media(max-width:560px){.topbar{height:68px}.brand-mark{width:36px;height:36px;border-radius:10px}.topbar nav .nav-link{padding:8px 7px;font-size:10px}.topbar nav .nav-link.lab-entry{padding-inline:10px}.hero{padding:78px 22px 55px}.hero h1{font-size:48px;line-height:.94}.hero:before{font-size:190px;top:55px}.hero>p{font-size:13px}.hero-actions{display:grid;grid-template-columns:1fr 1fr}.stats div{min-width:0}.catalog,.about-view,.experiment-view{padding-top:65px}.grid{grid-template-columns:repeat(2,1fr);gap:8px}.card{min-height:210px;border-radius:12px}.card .symbol{font-size:54px}.detail-hero{padding:28px}.detail-body{padding:22px}.lab-layout{border-radius:16px}.lab-stage{padding:20px}.particle-key{flex-wrap:wrap}}

/* Calm hierarchy, optical depth, and tactile motion */
:root{--ink:#f5f5f7;--paper:#050506;--lime:#c9ff45;--mint:#72f2c1;--orange:#ff7657;--line:rgba(255,255,255,.095);--muted:#99999f;--white:#171719;--shadow:0 30px 80px rgba(0,0,0,.4)}
html{background:#050506}body{font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Helvetica Neue","PingFang SC",sans-serif;background:radial-gradient(ellipse 80% 52% at 50% -5%,rgba(117,242,194,.105),transparent 72%),#050506;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body:before{opacity:.012}.ambient{opacity:.055;filter:blur(150px)}button,select,input{font:inherit}button{touch-action:manipulation}button:focus-visible,select:focus-visible,input:focus-visible,a:focus-visible{outline:3px solid rgba(201,255,69,.72);outline-offset:3px}
.topbar{height:64px;padding-inline:5vw;background:rgba(12,12,13,.66);border-bottom-color:rgba(255,255,255,.075);backdrop-filter:saturate(180%) blur(28px);-webkit-backdrop-filter:saturate(180%) blur(28px)}.brand{gap:10px;font-size:12px;letter-spacing:.055em}.brand small{letter-spacing:.12em}.brand-mark{width:36px;height:36px;border-radius:10px;background:linear-gradient(145deg,#dcff6f,#aeea24);box-shadow:inset 0 1px rgba(255,255,255,.65),0 8px 22px rgba(161,225,36,.15);transform:none;font-size:14px}.nav-link{padding:8px 13px;font-size:13px;font-weight:600;letter-spacing:-.01em}.nav-link.active,.nav-link:hover{background:rgba(255,255,255,.1);border-color:transparent}.nav-link.lab-entry{padding-inline:16px;box-shadow:inset 0 1px rgba(255,255,255,.55),0 6px 18px rgba(201,255,69,.1)}
.hero{min-height:700px;padding-top:118px;background:transparent}.hero:before{opacity:0}.hero:after{display:none}.eyebrow{font-family:ui-monospace,"SFMono-Regular",Menlo,monospace;font-size:10px;letter-spacing:.13em;color:#bce841}.hero h1{max-width:1100px;font-size:clamp(58px,7.6vw,112px);line-height:.91;letter-spacing:-.07em;font-weight:700}.hero h1 em{font-family:inherit;font-style:normal;font-weight:700;color:transparent;background:linear-gradient(100deg,#c9ff45 3%,#67efbd 70%);-webkit-background-clip:text;background-clip:text}.hero>p{border:0;padding:0;max-width:600px;color:#a1a1a6;font-size:17px;line-height:1.65;letter-spacing:-.012em}.hero-actions{margin-top:36px}.hero-actions button{min-height:48px;padding:12px 21px;border-radius:999px;font-size:14px;letter-spacing:-.01em;transition:transform .35s cubic-bezier(.2,.8,.2,1),box-shadow .35s,background .25s}.primary{background:linear-gradient(180deg,#d7ff63,#bbed35);border:0!important;box-shadow:inset 0 1px rgba(255,255,255,.7),0 10px 28px rgba(176,230,48,.13)}.secondary{background:rgba(255,255,255,.055);border-color:rgba(255,255,255,.12)!important;backdrop-filter:blur(20px)}.hero-actions button:active,.run-button:active,.card:active{transform:scale(.975)}
.stats{background:rgba(28,28,30,.62);border-color:rgba(255,255,255,.1);border-radius:22px;backdrop-filter:saturate(150%) blur(28px);box-shadow:inset 0 1px rgba(255,255,255,.065),0 20px 50px rgba(0,0,0,.28)}.stats div{padding:22px 27px}.stats strong{font-family:inherit;font-size:35px;font-weight:650;letter-spacing:-.04em;color:#f5f5f7}.stats span{font-size:10px;letter-spacing:0;color:#8e8e93}
.catalog,.about-view,.experiment-view{padding-top:110px}.section-head h2,.about-view h2,.experiment-heading h2{font-weight:700;letter-spacing:-.045em}.section-head p,.experiment-heading p{font-size:15px;color:#98989d}.search{height:48px;background:rgba(118,118,128,.12);border:1px solid transparent;border-radius:14px;transition:.25s}.search:focus-within{background:rgba(118,118,128,.18);border-color:rgba(201,255,69,.35);box-shadow:0 0 0 4px rgba(201,255,69,.06)}.search span{font-size:22px;color:#8e8e93}.filter{background:rgba(118,118,128,.1);border-color:transparent;padding:8px 14px;font-size:12px;font-weight:550}.filter:hover{background:rgba(118,118,128,.18);border-color:transparent}.filter.active{background:#f5f5f7;border-color:#f5f5f7;color:#111113;box-shadow:0 5px 16px rgba(0,0,0,.2)}
.grid{gap:12px}.card{min-height:246px;border-color:rgba(255,255,255,.075);background:linear-gradient(145deg,rgba(38,38,41,.82),rgba(21,21,23,.72));border-radius:20px;padding:19px;box-shadow:inset 0 1px rgba(255,255,255,.045);transition:transform .45s cubic-bezier(.2,.8,.2,1),border-color .3s,box-shadow .45s,background .3s}.card:before{display:none}.card:hover{transform:translateY(-6px) scale(1.008);border-color:rgba(255,255,255,.15);background:linear-gradient(145deg,rgba(44,44,47,.94),rgba(24,24,26,.9));box-shadow:0 26px 70px rgba(0,0,0,.38)}.card .top{font-family:ui-monospace,"SFMono-Regular",monospace;font-size:9px}.card .symbol{font-family:inherit;font-size:61px;font-weight:650;letter-spacing:-.065em}.card h3{font-size:14px;letter-spacing:-.015em}.card .tag{background:rgba(114,242,193,.11);border-color:transparent;color:#7df2c5;padding:5px 8px}.card .price{font-size:10px}
.lab-layout{border-color:rgba(255,255,255,.09);background:rgba(22,22,24,.72);border-radius:28px;box-shadow:inset 0 1px rgba(255,255,255,.055),0 32px 90px rgba(0,0,0,.32);backdrop-filter:blur(28px)}.lab-console{padding:38px;background:rgba(255,255,255,.012)}.console-block label,.console-options label{font-size:11px;font-weight:600;color:#d2d2d5}.console-block select,.console-options select,.extra-reactant>select,.amount-control input{height:46px;background:rgba(118,118,128,.12);border:1px solid rgba(255,255,255,.08);border-radius:12px;transition:.25s}.console-block select:hover,.console-options select:hover,.extra-reactant>select:hover,.amount-control input:hover{background:rgba(118,118,128,.17)}.selected-element{padding:12px 14px;background:rgba(114,242,193,.07);border-color:rgba(114,242,193,.1);border-radius:14px}.selected-element strong{font-family:inherit;font-weight:650}.add-reactant{min-height:44px;border-radius:12px;background:rgba(201,255,69,.055)}.run-button{min-height:54px;border-radius:14px;background:linear-gradient(180deg,#d6ff62,#baeb35);box-shadow:inset 0 1px rgba(255,255,255,.65),0 12px 28px rgba(174,228,46,.1);transition:transform .25s,box-shadow .3s}.lab-stage{background:radial-gradient(circle at 50% 30%,rgba(93,238,187,.1),transparent 38%),#0b0b0d}.result-panel{border-radius:18px;background:rgba(118,118,128,.1);box-shadow:inset 0 1px rgba(255,255,255,.035)}.experiment-log{border-radius:20px;background:rgba(28,28,30,.65)}
dialog{background:rgba(24,24,26,.96);border-color:rgba(255,255,255,.1);border-radius:26px;box-shadow:0 45px 130px rgba(0,0,0,.72);backdrop-filter:blur(35px)}dialog::backdrop{background:rgba(0,0,0,.64);backdrop-filter:blur(18px)}.detail-hero{background:linear-gradient(160deg,rgba(201,255,69,.075),transparent 50%),#111113}.detail-symbol{border:0;border-radius:24px;background:rgba(201,255,69,.1);box-shadow:inset 0 1px rgba(255,255,255,.08);font-family:inherit;font-weight:650}.fact-grid{border-radius:18px}.source-box{border-radius:18px}.source-links a{background:#f5f5f7;color:#111113}.close{backdrop-filter:blur(18px)}
.about-grid article{border-radius:22px;background:linear-gradient(145deg,rgba(38,38,41,.8),rgba(22,22,24,.7));box-shadow:inset 0 1px rgba(255,255,255,.04)}.about-grid article:after{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}}
@media(max-width:560px){.topbar{height:60px;padding-inline:14px}.brand>span:last-child{display:none}.topbar nav .nav-link{font-size:11px;padding:7px 6px}.hero{padding-top:92px}.hero h1{font-size:49px;line-height:.96;letter-spacing:-.065em}.hero>p{font-size:15px}.hero-actions{gap:9px}.stats{border-radius:20px}.stats div{padding:19px 9px}.stats strong{font-size:29px}.grid{gap:9px}.card{min-height:205px;border-radius:17px;padding:15px}.card .symbol{font-size:49px}.lab-layout{border-radius:20px}.lab-console{padding:21px}.experiment-heading h2{font-size:45px}}
.brand-mark{font-family:-apple-system,BlinkMacSystemFont,sans-serif!important;font-size:24px!important;font-weight:500;line-height:1}

/* Experiment controls — high-contrast accessibility pass */
.lab-console{color-scheme:dark}.lab-console .console-block>label,.lab-console .console-options label,.lab-console .amount-control,.lab-console .phase-control,.lab-console .extra-reactant>label{color:#f5f5f7!important;font-weight:650}.lab-console select,.lab-console input[type="number"]{color:#fff!important;background:#2b2b2e!important;border-color:rgba(255,255,255,.22)!important;box-shadow:inset 0 1px rgba(255,255,255,.035)}.lab-console select option{color:#111;background:#fff}.lab-console select:hover,.lab-console input[type="number"]:hover{background:#343438!important;border-color:rgba(255,255,255,.32)!important}.lab-console select:focus,.lab-console input[type="number"]:focus{background:#303034!important;border-color:var(--lime)!important;box-shadow:0 0 0 4px rgba(201,255,69,.11)}.selected-element span{color:#c7cbc9!important}.selected-element strong{color:#82f5c9!important}.console-options output{color:#d6ff62!important;font-weight:700}.add-reactant span,.lab-disclaimer{color:#b3b3b8!important}.extra-reactant .remove-reactant{color:#ff8c72}.step-no{color:#ff8a6d;font-weight:750}

/* Fluid, tactile, render-efficient element library */
.catalog{max-width:1600px;margin-inline:auto}.catalog .section-head{padding-bottom:6px}.catalog .section-head h2{font-size:clamp(42px,5.2vw,74px);line-height:1.02}.catalog .filters{position:sticky;top:64px;z-index:12;padding:12px 0;background:linear-gradient(#050506 68%,transparent);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}.catalog .filter{min-height:36px;padding:8px 15px;border-radius:999px;white-space:nowrap}.catalog .grid{align-items:stretch}.catalog .card{content-visibility:auto;contain-intrinsic-size:246px;contain:layout paint style;min-width:0;isolation:isolate;overflow:hidden;background:linear-gradient(150deg,rgba(47,47,51,.82),rgba(24,24,27,.78));border:1px solid rgba(255,255,255,.105);box-shadow:inset 0 1px rgba(255,255,255,.07),0 1px 1px rgba(0,0,0,.3)}.catalog .card:before{display:block;content:"";position:absolute;width:180px;height:180px;right:-80px;bottom:-105px;border-radius:50%;background:radial-gradient(circle,color-mix(in srgb,var(--element-accent) 26%,transparent),transparent 67%);pointer-events:none;z-index:-1;transition:transform .5s cubic-bezier(.2,.8,.2,1),opacity .35s}.catalog .card:after{content:"";position:absolute;inset:0;border-radius:inherit;background:linear-gradient(120deg,rgba(255,255,255,.075),transparent 28%);pointer-events:none;opacity:.75}.catalog .card:hover:before{transform:translate(-12px,-14px) scale(1.2)}.catalog .card .symbol{color:var(--element-accent);text-shadow:0 0 36px color-mix(in srgb,var(--element-accent) 16%,transparent)}.catalog .card .tag{color:var(--element-accent);background:color-mix(in srgb,var(--element-accent) 11%,transparent)}.catalog .card .top span:last-child{opacity:0;transform:translateX(-5px);transition:.25s}.catalog .card:hover .top span:last-child,.catalog .card:focus-visible .top span:last-child{opacity:1;transform:none}.catalog .card h3 small{display:block;margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.catalog .card:active{transform:scale(.975);transition-duration:.08s}
dialog[open]{animation:ui-sheet-in .38s cubic-bezier(.2,.8,.2,1)}dialog[open]::backdrop{animation:ui-fade-in .3s ease-out}@keyframes ui-sheet-in{from{opacity:0;transform:translateY(18px) scale(.975)}to{opacity:1;transform:none}}@keyframes ui-fade-in{from{opacity:0}to{opacity:1}}
@media(max-width:700px){.catalog{padding-inline:16px}.catalog .section-head{gap:20px}.catalog .section-head h2{font-size:42px}.catalog .filters{top:60px;flex-wrap:nowrap;overflow-x:auto;margin-inline:-16px;padding:12px 16px 17px;scroll-snap-type:x proximity;scrollbar-width:none;-webkit-overflow-scrolling:touch}.catalog .filters::-webkit-scrollbar{display:none}.catalog .filter{scroll-snap-align:start;flex:0 0 auto}.catalog .grid{gap:10px}.catalog .card{min-height:216px;padding:16px;border-radius:20px}.catalog .card .symbol{font-size:52px;margin-top:25px}.catalog .card .top span:last-child{display:none}.catalog .card h3{font-size:14px}.catalog .card .price{left:16px;right:auto;bottom:14px;max-width:52%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.catalog .card .tag{position:absolute;right:14px;bottom:14px;max-width:42%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.catalog .search{border-radius:13px}}

/* Whole-interface refinement */
.about-grid article,.experiment-log,.result-panel,.source-box,.fact-grid{box-shadow:inset 0 1px rgba(255,255,255,.055),0 16px 42px rgba(0,0,0,.15)}.about-grid article{transition:transform .35s cubic-bezier(.2,.8,.2,1),background .25s}.about-grid article:hover{transform:translateY(-4px);background:linear-gradient(145deg,rgba(47,47,51,.88),rgba(25,25,28,.8))}.log-head{background:rgba(118,118,128,.08)}.log-item{transition:background .2s}.log-item:hover{background:rgba(118,118,128,.08)}#logList{scrollbar-color:rgba(255,255,255,.2) transparent;scrollbar-width:thin}.result-panel,.multi-equations code,.state-summary{backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px)}
.local-terms{max-width:1180px;margin:30px auto 100px;padding:0 28px}.terms-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.terms-heading>div{display:flex;align-items:center;gap:13px}.terms-heading small{display:block;color:#8e8e93;font:600 9px/1.2 ui-monospace,"SFMono-Regular",monospace;letter-spacing:.13em}.terms-heading h2{margin:4px 0 0;font-size:25px;letter-spacing:-.035em}.terms-icon{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:linear-gradient(180deg,#74c9ff,#247cf1);box-shadow:inset 0 1px rgba(255,255,255,.55),0 8px 22px rgba(36,124,241,.18);font:700 25px/1 Georgia,serif;color:white}.local-badge{padding:7px 11px;border-radius:999px;background:rgba(114,242,193,.1);color:#83f4ca;font-size:11px}.terms-group{overflow:hidden;border:1px solid rgba(255,255,255,.09);border-radius:22px;background:rgba(28,28,30,.72);box-shadow:inset 0 1px rgba(255,255,255,.055),0 25px 70px rgba(0,0,0,.24);backdrop-filter:blur(30px);-webkit-backdrop-filter:blur(30px)}.terms-group details{border-bottom:1px solid rgba(255,255,255,.075)}.terms-group details:last-child{border:0}.terms-group summary{min-height:58px;padding:0 18px;display:flex;align-items:center;justify-content:space-between;cursor:pointer;list-style:none;transition:background .2s}.terms-group summary::-webkit-details-marker{display:none}.terms-group summary:hover{background:rgba(118,118,128,.09)}.terms-group summary span{display:flex;align-items:center;gap:12px}.terms-group summary i{display:grid;place-items:center;width:30px;height:30px;border-radius:8px;background:rgba(201,255,69,.12);color:#cdfa52;font-style:normal;font-size:15px}.terms-group summary b{font-size:14px}.terms-group summary em{font-style:normal;color:#8e8e93;font-size:12px}.terms-group summary:after{content:"›";margin-left:12px;color:#77777d;font-size:22px;transition:transform .25s}.terms-group details[open] summary:after{transform:rotate(90deg)}.terms-group details p{margin:0;padding:0 58px 18px;color:#a9a9ae;font-size:13px;line-height:1.7}.terms-footnote{margin:12px 16px;color:#6f6f74;font-size:10px;line-height:1.6}footer{max-width:1180px;margin:auto;padding:24px 28px 38px;border-top:1px solid rgba(255,255,255,.08);font-size:10px;letter-spacing:.06em}
@media(max-width:700px){.about-grid{gap:10px}.about-grid article{min-height:auto;padding:24px;border-radius:20px}.about-grid h3{margin-top:26px}.local-terms{margin:20px auto 70px;padding-inline:16px}.terms-heading{align-items:flex-end}.local-badge{font-size:9px}.terms-group{border-radius:18px}.terms-group summary{padding-inline:14px}.terms-group summary em{display:none}.terms-group details p{padding:0 54px 17px 56px}.terms-footnote{margin-inline:8px}footer{padding-inline:18px}}

/* Native-feeling settings and discreet legal drawer */
.lab-console>.console-block,.extra-reactant{padding:18px;background:rgba(44,44,46,.72);border:1px solid rgba(255,255,255,.075);border-radius:18px;box-shadow:inset 0 1px rgba(255,255,255,.04)}.lab-console>.console-block+.console-plus{height:38px;display:grid;place-items:center;margin:0}.extra-reactant{margin-top:12px}.console-options{padding:8px 16px;background:rgba(44,44,46,.72);border:1px solid rgba(255,255,255,.075);border-radius:18px;gap:0 18px}.console-options label{padding:11px 0;margin:0;border-bottom:1px solid rgba(255,255,255,.075)}.console-options label:nth-last-child(-n+2){border-bottom:0}.console-options select{margin-top:7px}.run-button{position:relative;overflow:hidden}.run-button:after{content:"";position:absolute;inset:0;background:linear-gradient(rgba(255,255,255,.2),transparent 42%);pointer-events:none}.compact-terms{max-width:900px;margin:20px auto 45px}.legal-drawer{border-top:1px solid rgba(255,255,255,.07);border-bottom:1px solid rgba(255,255,255,.07)}.legal-drawer>summary{min-height:52px;padding:0 8px;display:flex;align-items:center;justify-content:space-between;list-style:none;cursor:pointer;color:#7d7d82}.legal-drawer>summary::-webkit-details-marker{display:none}.legal-drawer>summary span{display:flex;align-items:center;gap:10px}.legal-drawer>summary i{display:grid;place-items:center;width:24px;height:24px;border-radius:7px;background:#2d7ef7;color:white;font:700 15px Georgia,serif}.legal-drawer>summary b{font-size:12px;font-weight:600}.legal-drawer>summary em{font-size:10px;font-style:normal}.legal-drawer>summary:after{content:"›";font-size:20px;margin-left:10px;transition:transform .25s}.legal-drawer[open]>summary:after{transform:rotate(90deg)}.legal-drawer>.terms-group{margin:6px 0 15px}.compact-terms .terms-group details:first-child{border-top:0}
@media(max-width:700px){body{padding-bottom:72px}.topbar{position:sticky;justify-content:center;background:rgba(12,12,13,.96);backdrop-filter:none;-webkit-backdrop-filter:none}.topbar .brand{margin-right:auto}.topbar .status{display:none}.topbar nav{position:fixed;left:10px;right:10px;bottom:8px;height:61px;padding:6px 8px calc(6px + env(safe-area-inset-bottom));display:grid;grid-template-columns:repeat(4,1fr);gap:2px;border:1px solid rgba(255,255,255,.12);border-radius:20px;background:rgba(28,28,30,.88);box-shadow:0 10px 38px rgba(0,0,0,.48),inset 0 1px rgba(255,255,255,.08);backdrop-filter:saturate(180%) blur(28px);-webkit-backdrop-filter:saturate(180%) blur(28px);z-index:90}.topbar nav .nav-link,.topbar nav .nav-link.lab-entry{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;padding:3px!important;border:0;background:transparent!important;color:#8e8e93!important;font-size:9px!important;box-shadow:none}.topbar nav .nav-link:before{display:block;font-size:17px;line-height:1}.topbar nav .nav-link:nth-child(1):before{content:"◉"}.topbar nav .nav-link:nth-child(2):before{content:"⌁"}.topbar nav .nav-link:nth-child(3):before{content:"⚗"}.topbar nav .nav-link:nth-child(4):before{content:"•••"}.topbar nav .nav-link.active{color:#c9ff45!important}.lab-console>.console-block,.extra-reactant{padding:15px;border-radius:16px}.console-options{grid-template-columns:1fr;padding:6px 14px;border-radius:16px}.console-options label{border-bottom:1px solid rgba(255,255,255,.075)!important}.console-options label:last-child{border-bottom:0!important}.compact-terms{margin:4px auto 25px}.legal-drawer>summary{padding-inline:2px}.legal-drawer>.terms-group{border-radius:16px}.legal-drawer>summary em{display:none}footer{padding-bottom:20px}}

/* Product-launch hero — quieter typography and intentional whitespace */
.hero{min-height:690px;align-items:center;text-align:center;padding-top:112px;padding-bottom:86px}.hero .eyebrow{color:#a8d93b}.hero h1{max-width:980px;margin:24px auto 26px;font-size:clamp(54px,6.6vw,94px);line-height:.97;letter-spacing:-.062em;font-weight:700}.hero h1 em{background:linear-gradient(100deg,#efffc5 5%,#a8efca 52%,#70dcb9 96%);-webkit-background-clip:text;background-clip:text}.hero>p{max-width:640px;margin-inline:auto;color:#a1a1a6;font-size:17px;line-height:1.6}.hero-actions{justify-content:center}.hero .stats{position:static;align-self:center;margin-top:52px;width:auto}.hero .stats div{min-width:140px}
@media(max-width:700px){.hero{padding:82px 22px 62px;text-align:left;align-items:stretch}.hero h1{margin:20px 0 24px;font-size:46px;line-height:1;letter-spacing:-.06em}.hero>p{margin:0;font-size:15px;line-height:1.65}.hero-actions{justify-content:stretch}.hero .stats{align-self:stretch;margin-top:42px;width:100%}.hero .stats div{min-width:0}.hero .eyebrow{text-align:left}}

/* Calibrated system-style proportions */
:root{--lime:#c9ff45;--mint:#72f2c1}.brand-mark{background:linear-gradient(145deg,#dcff69,#a9e92a);color:#111;box-shadow:inset 0 1px rgba(255,255,255,.7),0 8px 24px rgba(183,239,48,.2)}.hero-app-icon{width:112px;height:112px;margin:0 auto 34px;display:grid;place-items:center;border-radius:27px;background:linear-gradient(145deg,#e1ff72 0%,#9eea35 48%,#24b982 100%);box-shadow:inset 0 2px 1px rgba(255,255,255,.65),inset 0 -4px 10px rgba(0,0,0,.15),0 24px 60px rgba(166,231,48,.22);position:relative;overflow:hidden}.hero-app-icon:before{content:"";position:absolute;inset:1px;border-radius:26px;background:linear-gradient(145deg,rgba(255,255,255,.34),transparent 38%)}.hero-app-icon svg{width:72px;height:72px;position:relative;fill:none;stroke:#102016;stroke-width:5;stroke-linecap:round;stroke-linejoin:round;filter:drop-shadow(0 2px 2px rgba(255,255,255,.25))}.hero-app-icon .icon-liquid{fill:rgba(16,32,22,.16);stroke:#102016}.hero .eyebrow{display:none}.hero h1,.hero h1 em{color:#f5f5f7!important;background:none!important;-webkit-text-fill-color:#f5f5f7}.primary,.run-button{background:#c9ff45!important;color:#111!important;box-shadow:inset 0 1px rgba(255,255,255,.55),0 12px 30px rgba(183,239,48,.18)}.primary span,.run-button span,.run-button:hover span{color:#111}.nav-link.lab-entry{background:#c9ff45!important;color:#111!important;box-shadow:0 7px 20px rgba(183,239,48,.18)}.status i,.stage-status i{background:#72f2c1}.console-plus,.console-options output{color:#c9ff45!important}.add-reactant{border-color:rgba(201,255,69,.34);background:rgba(201,255,69,.07)}.selected-element{background:rgba(114,242,193,.075);border-color:rgba(114,242,193,.16)}.selected-element strong{color:#72f2c1!important}.lab-console select:focus,.lab-console input[type="number"]:focus{border-color:#c9ff45!important;box-shadow:0 0 0 4px rgba(201,255,69,.13)}button:focus-visible,select:focus-visible,input:focus-visible,a:focus-visible{outline-color:rgba(201,255,69,.8)}.terms-group summary i{background:rgba(201,255,69,.13);color:#c9ff45}.local-badge{background:rgba(114,242,193,.1);color:#72f2c1}
@media(max-width:700px){.hero{padding-top:64px}.hero-app-icon{width:104px;height:104px;margin:0 auto 46px;border-radius:25px}.hero-app-icon:before{border-radius:24px}.hero-app-icon svg{width:66px;height:66px}.hero h1{font-size:39px;line-height:1.06;letter-spacing:-.045em}.hero>p{font-size:17px;line-height:1.55;color:#8e8e93}.hero-actions{margin-top:34px}.hero-actions button{min-height:54px;font-size:16px;font-weight:650}.hero .stats{background:#1c1c1e;border-radius:22px}.topbar nav .nav-link.active{color:#c9ff45!important}.topbar nav .nav-link:nth-child(3).active{color:#72f2c1!important}.catalog .section-head h2,.about-view h2,.experiment-heading h2{font-size:36px;line-height:1.08;letter-spacing:-.04em}.catalog .section-head p,.experiment-heading p{font-size:17px;line-height:1.45}.lab-layout{background:#111113}.lab-console>.console-block,.extra-reactant,.console-options,.result-panel,.experiment-log{background:#1c1c1e}.lab-console select,.lab-console input[type="number"]{background:#2c2c2e!important}.compact-terms{opacity:.72}}

/* Dynamic glass for navigation and controls, not content cards */
.hero-app-icon{background:linear-gradient(155deg,#e4ff82 0%,#b5f33d 38%,#31d39a 100%);border:1px solid rgba(255,255,255,.34);box-shadow:inset 0 2px 2px rgba(255,255,255,.75),inset 0 -9px 18px rgba(7,78,54,.18),0 28px 75px rgba(155,225,45,.24)}.hero-app-icon:before{z-index:4;background:linear-gradient(145deg,rgba(255,255,255,.62),rgba(255,255,255,.06) 31%,transparent 48%);mix-blend-mode:screen}.hero-app-icon:after{content:"";position:absolute;left:8%;right:8%;bottom:4%;height:28%;z-index:4;border-radius:50%;background:linear-gradient(180deg,transparent,rgba(0,73,46,.19));filter:blur(5px);pointer-events:none}.hero-app-icon svg{z-index:3;stroke:#102016;filter:drop-shadow(0 2px 1px rgba(255,255,255,.45)) drop-shadow(0 5px 8px rgba(7,86,58,.18))}.icon-orb{position:absolute;border-radius:50%;z-index:1;border:1px solid rgba(255,255,255,.42);background:linear-gradient(145deg,rgba(255,255,255,.42),rgba(255,255,255,.08));box-shadow:inset 0 1px 2px rgba(255,255,255,.72),0 5px 12px rgba(7,87,59,.12);backdrop-filter:blur(3px)}.orb-one{width:46px;height:46px;left:-5px;top:31px}.orb-two{width:37px;height:37px;right:4px;top:10px}.orb-three{width:28px;height:28px;right:9px;bottom:2px}.topbar{background:linear-gradient(180deg,rgba(25,27,26,.72),rgba(11,13,12,.48));border-bottom-color:rgba(255,255,255,.13);box-shadow:inset 0 1px rgba(255,255,255,.08),0 12px 40px rgba(0,0,0,.14);backdrop-filter:blur(28px) saturate(175%);-webkit-backdrop-filter:blur(28px) saturate(175%)}.search,.filter,.secondary,.close{background:linear-gradient(145deg,rgba(255,255,255,.13),rgba(255,255,255,.045));border:1px solid rgba(255,255,255,.15);box-shadow:inset 0 1px rgba(255,255,255,.12),0 7px 18px rgba(0,0,0,.12);backdrop-filter:blur(24px) saturate(160%);-webkit-backdrop-filter:blur(24px) saturate(160%)}.filter.active{background:rgba(245,245,247,.93);border-color:rgba(255,255,255,.55)}.lab-stage .stage-status{position:relative;z-index:5}.risk,.effect-badge,.bond-label{border-radius:999px;backdrop-filter:blur(16px) saturate(150%);-webkit-backdrop-filter:blur(16px) saturate(150%)}dialog{background:rgba(24,24,26,.78);border-color:rgba(255,255,255,.2);box-shadow:inset 0 1px rgba(255,255,255,.12),0 50px 150px rgba(0,0,0,.76);backdrop-filter:blur(44px) saturate(150%);-webkit-backdrop-filter:blur(44px) saturate(150%)}
@media(max-width:700px){.topbar{background:rgba(12,13,12,.96);backdrop-filter:none;-webkit-backdrop-filter:none}.topbar nav{background:linear-gradient(145deg,rgba(65,67,64,.55),rgba(26,28,27,.5));border-color:rgba(255,255,255,.22);box-shadow:inset 0 1px rgba(255,255,255,.2),inset 0 -1px rgba(255,255,255,.06),0 18px 45px rgba(0,0,0,.5);backdrop-filter:blur(32px) saturate(190%);-webkit-backdrop-filter:blur(32px) saturate(190%)}.topbar nav:before{content:"";position:absolute;inset:1px;border-radius:19px;background:linear-gradient(125deg,rgba(255,255,255,.12),transparent 36%);pointer-events:none}.topbar nav .nav-link{position:relative;z-index:1}.topbar nav .nav-link.active{background:rgba(255,255,255,.11)!important;border-radius:15px!important;box-shadow:inset 0 1px rgba(255,255,255,.09)}.hero-app-icon{box-shadow:inset 0 2px 2px rgba(255,255,255,.75),inset 0 -8px 16px rgba(7,78,54,.2),0 24px 60px rgba(161,230,47,.2)}.catalog .filters{background:linear-gradient(rgba(5,5,6,.68) 72%,transparent);backdrop-filter:blur(30px) saturate(160%);-webkit-backdrop-filter:blur(30px) saturate(160%)}}

/* Simpler icon and optical alignment */
body{font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","Helvetica Neue","PingFang SC",sans-serif;letter-spacing:-.008em}.hero-app-icon{background:linear-gradient(160deg,#dfff61 0%,#b8f13c 52%,#49d39a 100%);border-color:rgba(255,255,255,.48);box-shadow:inset 0 2px 2px rgba(255,255,255,.78),inset 0 -5px 14px rgba(17,104,69,.16),0 25px 62px rgba(157,226,44,.2)}.hero-app-icon:before{background:linear-gradient(145deg,rgba(255,255,255,.6),rgba(255,255,255,.08) 34%,transparent 51%)}.hero-app-icon:after{height:18%;opacity:.5}.hero-app-icon svg{width:70px;height:70px;z-index:3;filter:drop-shadow(0 6px 8px rgba(20,87,61,.2));stroke:none}.flask-body{fill:url(#flaskGlass);stroke:rgba(255,255,255,.92);stroke-width:1.4}.flask-rim{fill:none;stroke:white;stroke-width:6;stroke-linecap:round}.flask-liquid{fill:url(#flaskLiquid);stroke:none}.flask-shine{fill:none;stroke:rgba(255,255,255,.88);stroke-width:4;stroke-linecap:round}.hero h1{font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","PingFang SC",sans-serif;font-weight:650;letter-spacing:-.048em}.section-head h2,.about-view h2,.experiment-heading h2{font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","PingFang SC",sans-serif;font-weight:700;letter-spacing:-.038em}.card h3,.result-panel h3,.log-head h3,.terms-group summary b{letter-spacing:-.015em}
@media(max-width:700px){.hero{text-align:center;align-items:center}.hero-app-icon{margin-inline:auto}.hero h1{max-width:350px;margin-inline:auto;font-size:39px;line-height:1.08;letter-spacing:-.045em}.hero>p{max-width:350px;margin-inline:auto;text-align:center}.hero-actions{width:100%;justify-content:center}.hero .stats{align-self:stretch}.catalog .section-head h2,.about-view h2,.experiment-heading h2{font-size:36px;letter-spacing:-.035em}}

/* Dynamic glass emphasis — specular, tinted, interactive */
.primary,.run-button{position:relative;overflow:hidden;background:linear-gradient(145deg,rgba(222,255,111,.96),rgba(174,239,55,.82))!important;border:1px solid rgba(255,255,255,.42)!important;box-shadow:inset 0 1.5px 1px rgba(255,255,255,.72),inset 0 -1px rgba(77,130,19,.18),0 14px 36px rgba(170,232,48,.2);backdrop-filter:blur(18px) saturate(180%);-webkit-backdrop-filter:blur(18px) saturate(180%)}.primary:before,.run-button:before{content:"";position:absolute;inset:1px;border-radius:inherit;background:linear-gradient(115deg,rgba(255,255,255,.38),transparent 34%,rgba(255,255,255,.08) 66%,transparent);pointer-events:none;transform:translateX(-24%);transition:transform .5s cubic-bezier(.2,.8,.2,1)}.primary:hover:before,.run-button:hover:before{transform:translateX(22%)}.hero .stats{background:linear-gradient(145deg,rgba(65,69,66,.34),rgba(20,23,21,.28));border-color:rgba(255,255,255,.2);box-shadow:inset 0 1px rgba(255,255,255,.16),inset 0 -1px rgba(255,255,255,.04),0 24px 55px rgba(0,0,0,.3);backdrop-filter:blur(30px) saturate(170%);-webkit-backdrop-filter:blur(30px) saturate(170%)}.hero-app-icon{backdrop-filter:blur(12px) saturate(180%);-webkit-backdrop-filter:blur(12px) saturate(180%)}.hero-app-icon .flask-body{fill:rgba(255,255,255,.58);stroke:rgba(255,255,255,.92);stroke-width:1.5}.hero-app-icon .flask-liquid{opacity:.84}.topbar nav,.search,.secondary,.filter,.close{transition:background .28s,box-shadow .28s,transform .28s}.secondary:hover,.search:focus-within{background:linear-gradient(145deg,rgba(255,255,255,.18),rgba(255,255,255,.065));box-shadow:inset 0 1px rgba(255,255,255,.18),0 12px 30px rgba(0,0,0,.2)}