/* Nivoro Study Lab: light, responsive, no external dependencies */
:root{--ink:#17222c;--muted:#61707b;--paper:#f6f7f3;--white:#fff;--line:#dfe5e2;--lime:#c8f078;--blue:#5367d9;--blue2:#3546a6;--soft:#eff1ff;--softgreen:#eff8df;--warm:#fff4df;--radius:20px;--shadow:0 18px 48px rgba(23,34,44,.08);--max:1150px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.68 system-ui,-apple-system,"Segoe UI",sans-serif}a{color:var(--blue2);text-underline-offset:3px}a:hover{color:#222f8c}button,input,select,textarea{font:inherit}button{cursor:pointer}.wrap{width:min(calc(100% - 36px),var(--max));margin:auto}.skip{position:absolute;left:-999px;top:8px;background:#fff;padding:10px;z-index:99}.skip:focus{left:8px}header{position:sticky;top:0;z-index:50;background:rgba(246,247,243,.95);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:900;font-size:25px;letter-spacing:-1.3px}.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:var(--ink);color:white;font-size:24px}.dot{color:var(--blue)}nav#navlinks{display:flex;align-items:center;gap:28px}nav#navlinks a{font-weight:700;font-size:14px;text-decoration:none;color:#33404a}.nav-cta{background:var(--lime);padding:10px 16px;border-radius:999px}.nav-toggle{display:none;border:1px solid var(--line);background:white;border-radius:10px;padding:8px 12px}.hero{padding:72px 0 58px;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;width:480px;height:480px;right:-100px;top:-180px;border-radius:50%;background:radial-gradient(circle,rgba(200,240,120,.28),transparent 68%)}.hero-grid{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}.eyebrow{display:inline-block;padding:6px 11px;border:1px solid var(--line);border-radius:999px;background:#ffffffaa;color:#495762;font-size:11px;font-weight:850;letter-spacing:.1em;text-transform:uppercase}.eyebrow:before{content:"●";font-size:9px;color:var(--blue);margin-right:8px}h1,h2,h3{line-height:1.13;letter-spacing:-.04em;margin-top:0}h1{font-size:clamp(2.6rem,6vw,5rem);line-height:1.01;margin:22px 0;max-width:830px}h1 em{font-style:normal;color:var(--blue)}h2{font-size:clamp(1.8rem,3vw,2.7rem);margin-bottom:12px}h3{font-size:1.2rem;margin-bottom:8px}p{margin:0 0 16px}.hero-copy{max-width:620px;font-size:clamp(1.05rem,1.7vw,1.2rem);color:#52616c}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:25px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 17px;border-radius:999px;text-decoration:none;border:1px solid transparent;font-weight:800;font-size:14px}.btn-primary{background:var(--lime);color:var(--ink)}.btn-secondary{background:#fff;border-color:var(--line);color:var(--ink)}.btn-primary:hover{background:#b9e966;color:var(--ink)}.hero-note{font-size:12px;color:var(--muted);margin-top:19px}.board{background:var(--ink);color:white;border-radius:28px;padding:22px;box-shadow:var(--shadow);transform:rotate(1deg)}.board-top{display:flex;justify-content:space-between;gap:12px;padding-bottom:18px;border-bottom:1px solid #ffffff22;font-size:12px;font-weight:800}.pill{background:#c8f07822;color:var(--lime);padding:5px 9px;border-radius:99px;font-size:10px}.board-focus{padding:22px 0}.board-label{font-size:11px;color:#aeb9c2;letter-spacing:.12em;text-transform:uppercase}.board-big{font-size:29px;font-weight:900;letter-spacing:-1.5px;margin:8px 0}.progress{height:7px;background:#ffffff20;border-radius:99px;overflow:hidden}.progress span{display:block;height:100%;width:68%;background:var(--lime)}.board-task{display:flex;gap:11px;align-items:center;background:#ffffff0d;padding:12px;border-radius:12px;margin-top:9px;font-size:12px}.check{width:21px;height:21px;border:1px solid #6f7b85;border-radius:6px;display:grid;place-items:center;color:var(--lime);flex:none}.board-task b{display:block}.board-task small{color:#aeb9c2}.section{padding:62px 0}.white{background:#fff}.section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:28px}.section-head p{max-width:470px;color:var(--muted);margin:0}.kicker{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--blue2);font-weight:900;margin-bottom:9px}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.card{display:flex;flex-direction:column;min-height:220px;padding:22px;border:1px solid var(--line);border-radius:18px;background:white;color:inherit;text-decoration:none;transition:transform .15s,box-shadow .15s}.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);color:inherit}.icon{display:grid;place-items:center;width:45px;height:45px;border-radius:14px;background:var(--soft);color:var(--blue2);font-weight:900;font-size:19px;margin-bottom:17px}.icon.green{background:var(--softgreen);color:#375719}.icon.warm{background:var(--warm);color:#82530b}.card p{font-size:14px;color:var(--muted);margin-bottom:20px}.card-link{margin-top:auto;font-size:13px;font-weight:850;color:var(--blue2)}.guides{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.guide{display:grid;grid-template-columns:44px 1fr;gap:15px;border:1px solid var(--line);border-radius:16px;padding:19px;text-decoration:none;color:inherit;background:var(--paper)}.guide:hover{background:#fff;border-color:#b7c0fa;color:inherit}.guide-no{display:grid;place-items:center;width:42px;height:42px;background:#fff;border:1px solid var(--line);border-radius:12px;color:var(--blue2);font-weight:900}.guide h3{font-size:1.05rem;margin:0 0 7px}.guide p{font-size:13px;color:var(--muted);margin:0}.dark-band{background:var(--ink);color:white;padding:48px 0}.band-grid{display:grid;grid-template-columns:1fr auto;gap:26px;align-items:center}.dark-band p{color:#c1cbd3;max-width:650px;margin:0}.values{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.value{border-top:2px solid var(--line);padding-top:18px}.value p{font-size:14px;color:var(--muted);margin:0}footer{background:#111b24;color:#eef2f5;padding:48px 0 20px}.footgrid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:46px;padding-bottom:38px}.footbrand{color:#fff}.footbrand .brand-mark{background:#2a3945}.footgrid p{color:#acb8c1;max-width:350px;font-size:14px;margin-top:16px}.footgrid h2{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:#9eabb7}.footgrid>div:not(:first-child){display:flex;flex-direction:column;align-items:start;gap:10px}.footgrid>div:not(:first-child) a{font-size:13px;text-decoration:none;color:#cbd4db}.footgrid a:hover{color:var(--lime)}.footbottom{border-top:1px solid #2d3943;padding-top:17px;display:flex;justify-content:space-between;gap:15px;color:#9eabb7;font-size:12px}.page-hero{padding:46px 0 23px}.crumb{font-size:12px;color:#76838c;margin-bottom:20px;display:flex;flex-wrap:wrap;gap:9px}.crumb a{text-decoration:none;color:#65727c}.page-hero h1{font-size:clamp(2.3rem,4.5vw,4rem);max-width:920px;margin:16px 0}.intro{font-size:1.12rem;color:#54616c;max-width:800px}.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:26px;align-items:start;padding:18px 0 68px}.panel,.side{background:#fff;border:1px solid var(--line);border-radius:18px;padding:clamp(20px,4vw,32px)}.panel h2{font-size:1.55rem;margin:28px 0 12px}.panel h2:first-child{margin-top:0}.panel p,.panel li{color:#4b5963}.panel ul,.panel ol{padding-left:23px}.panel li{margin-bottom:8px}.panel a{font-weight:650}.side h2{font-size:1.08rem}.side a{display:block;padding:10px 0;border-bottom:1px solid var(--line);font-size:13px;text-decoration:none}.side p{font-size:13px;color:var(--muted)}.callout{background:#f0f2ff;border-left:4px solid var(--blue);padding:15px 17px;border-radius:0 12px 12px 0;color:#35406b;margin:20px 0}.callout strong{display:block;margin-bottom:3px;color:#28356d}.tool-layout{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:24px}.tool-shell{padding-bottom:64px}.toolbox{background:#fff;border:1px solid var(--line);border-radius:18px;padding:clamp(20px,3vw,30px);box-shadow:var(--shadow)}.toolbox h2{font-size:1.35rem}.tool-desc{font-size:14px;color:var(--muted)}.fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.field{display:flex;flex-direction:column;gap:7px;margin-bottom:14px}.field label{font-size:13px;font-weight:800;color:#35414b}.field small{font-size:12px;color:#74808b}.field input,.field textarea,.field select{width:100%;min-width:0;padding:12px;border:1px solid #cbd4d7;border-radius:10px;color:var(--ink);background:#fff}.field textarea{min-height:110px;resize:vertical}.field input:focus,.field textarea:focus,.field select:focus{outline:3px solid #5367d922;border-color:var(--blue)}.button-row{display:flex;gap:9px;flex-wrap:wrap;margin-top:10px}.action{border:0;background:var(--ink);color:white;border-radius:10px;padding:12px 16px;font-size:13px;font-weight:850}.muted-btn{border:1px solid var(--line);background:#f7f8f8;color:#33404a;border-radius:10px;padding:11px 15px;font-weight:750;font-size:13px}.result{display:none;margin-top:18px;padding:18px;border-radius:14px;border:1px solid #d4e9ad;background:var(--softgreen)}.result.visible{display:block}.result.error{background:#fff0ed;border-color:#f1c4bc}.result h3{font-size:1rem}.big-result{font-size:2rem;font-weight:950;letter-spacing:-1px}.result p{font-size:13px;color:#4d5e39;margin:5px 0 0}.result.error p{color:#873b2f}.aside-note{background:#f0f2ff;border:1px solid #dfe3ff;border-radius:16px;padding:17px}.aside-note h3{font-size:1rem}.aside-note p{font-size:13px;color:#515c7d;margin:0}.aside-note.green{background:var(--softgreen);border-color:#dcecbc}.aside-note.green p{color:#4a6037}.small{font-size:12px;color:var(--muted)}.dynrow{display:grid;grid-template-columns:minmax(0,1fr) 100px 100px;gap:8px;margin-bottom:9px}.dynrow input{width:100%;min-width:0;padding:10px;border:1px solid #cbd4d7;border-radius:9px}.flashcard{min-height:160px;background:var(--ink);border-radius:16px;color:white;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:24px;cursor:pointer;white-space:pre-wrap}.flashcard small{font-size:11px;color:#aeb9c2;letter-spacing:.12em;text-transform:uppercase}.flashcard strong{font-size:1.3rem;margin-top:12px}.timer{width:min(230px,80%);aspect-ratio:1;margin:22px auto;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--blue) var(--progress,0%),#e3e7ef 0);padding:10px}.timer-inner{width:100%;height:100%;border-radius:50%;background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center}.timer-num{font-size:clamp(2.3rem,6vw,3.2rem);font-weight:950;letter-spacing:-2px}.timer-mode{font-size:11px;color:var(--muted);font-weight:850;text-transform:uppercase;letter-spacing:.1em}.output{white-space:pre-wrap;overflow-wrap:anywhere;background:#f7f8fa;border:1px solid var(--line);border-radius:10px;padding:13px;font:13px/1.6 ui-monospace,monospace}.empty{padding:16px;border:1px dashed #cbd4d7;border-radius:11px;color:var(--muted);font-size:13px}.list-items{display:grid;gap:9px;margin-top:17px}.taskitem{border:1px solid var(--line);border-radius:11px;background:#f8f9fb;padding:12px;display:flex;justify-content:space-between;align-items:center;gap:12px}.tag{font-size:11px;font-weight:850;padding:4px 8px;background:var(--soft);border-radius:99px;color:var(--blue2)}.tablewrap{overflow:auto;margin:18px 0}table{border-collapse:collapse;width:100%;font-size:14px}th,td{text-align:left;padding:11px;border-bottom:1px solid var(--line)}th{background:#f2f4f8}.callout ol{margin-bottom:0}.notice{background:#fff7e7;border:1px solid #f1ddb1;border-radius:10px;padding:12px;color:#6d5420;font-size:13px;margin-top:14px}.page-end{margin-top:30px}.page-end hr{border:0;border-top:1px solid var(--line);margin:25px 0}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr .85fr;gap:25px}.cards{grid-template-columns:repeat(2,1fr)}.layout,.tool-layout{grid-template-columns:1fr}.footgrid{gap:25px}.band-grid{grid-template-columns:1fr}.band-grid .btn{justify-self:start}}
@media(max-width:680px){.wrap{width:min(calc(100% - 28px),var(--max))}.nav{height:66px}.nav-toggle{display:block}nav#navlinks{display:none;position:absolute;left:0;right:0;top:65px;background:var(--paper);padding:15px 20px 20px;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0}nav#navlinks.open{display:flex}nav#navlinks a{padding:12px 8px;border-bottom:1px solid var(--line)}nav#navlinks .nav-cta{margin-top:10px;text-align:center;border-bottom:0}.hero{padding:45px 0 35px}.hero-grid{grid-template-columns:1fr}.board{transform:none}.hero h1{font-size:clamp(2.6rem,12vw,3.9rem)}.section{padding:44px 0}.section-head{align-items:start;flex-direction:column}.cards,.guides{grid-template-columns:1fr}.card{min-height:0}.values{grid-template-columns:1fr;gap:9px}.dark-band{padding:39px 0}.footgrid{grid-template-columns:1fr 1fr;gap:25px 18px}.footgrid>div:first-child{grid-column:1/-1}.footbottom{flex-direction:column;gap:5px}.page-hero{padding:32px 0 20px}.page-hero h1{font-size:clamp(2.2rem,10vw,3.25rem)}.layout{padding:10px 0 44px;gap:15px}.panel,.side,.toolbox{padding:19px;border-radius:15px}.fields{grid-template-columns:1fr;gap:0}.dynrow{grid-template-columns:minmax(0,1fr) 78px 78px}.dynrow input{font-size:12px;padding:8px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}
.sources{margin-top:28px;padding-top:18px;border-top:1px solid var(--line)}.sources p,.sources li{font-size:14px}.sources li{margin-bottom:10px}.sources a{overflow-wrap:anywhere}