:root{--bg-canvas:#1e2530;--bg-alt:#18202a;--bg-surface:rgba(42,51,64,.6);--bg-surface-hover:rgba(52,63,79,.78);--tile:#2a3340;--text-primary:#fff;--text-muted:#c5ccd6;--accent-primary:#a3e635;--accent-secondary:#a855f7;--border-subtle:rgba(255,255,255,.09);--ease-kinetic:cubic-bezier(.16,1,.3,1);--shadow-elevation:0 12px 32px -4px rgba(0,0,0,.35);--glow-accent:0 0 24px -4px var(--accent-primary);--glass-backdrop:blur(16px) saturate(180%);--font:system-ui,"Segoe UI",Roboto,sans-serif;--cut:3vw}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--bg-canvas);color:var(--text-primary);font:400 1.0625rem/1.7 var(--font);overflow-wrap:anywhere;hyphens:auto;overflow-x:clip}
h1,h2,h3,h4{font-family:var(--font);font-weight:800;letter-spacing:-.02em;line-height:1.15;margin:0 0 .6em;overflow-wrap:anywhere;hyphens:auto}
h2{font-size:clamp(1.6rem,3.2vw,2.3rem)}h3{font-size:1.3rem}
p{margin:0 0 1em}a{color:var(--accent-primary)}a:hover{color:#d9f99d}
:focus-visible{outline:2px solid var(--accent-primary);outline-offset:3px}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:1200px;margin:0 auto;padding:0 1.25rem}
.skip{position:absolute;left:-9999px;top:0}.skip:focus{left:1rem;top:1rem;background:var(--accent-primary);color:#1e2530;padding:.5rem 1rem;z-index:99;font-weight:800}
.muted{color:var(--text-muted)}
/* header */
.site-header{position:relative;z-index:30;background:transparent;transition:background .45s var(--ease-kinetic),box-shadow .45s var(--ease-kinetic)}
.site-header.scrolled{background:var(--bg-canvas);box-shadow:0 1px 0 var(--border-subtle)}
.hd{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:72px}
.brand{display:flex;align-items:center;gap:.6rem;color:#fff;text-decoration:none;font-weight:800;letter-spacing:-.02em;font-size:1.15rem;margin-right:auto}
.brand:hover{color:#fff}.brand svg{flex:none}
#site-nav{display:flex;gap:.2rem;flex-wrap:nowrap}
#site-nav a{color:#fff;text-decoration:none;padding:.4rem .7rem;font-weight:600;font-size:.95rem;border:2px solid transparent;white-space:nowrap;transition:border-color .3s,color .3s}
#site-nav a:hover,#site-nav a[aria-current="page"]{border-color:var(--accent-primary);color:var(--accent-primary)}
.menu-btn{display:none;width:44px;height:44px;place-items:center;background:transparent;border:2px solid var(--accent-primary);color:var(--accent-primary);font-size:1.5rem;font-weight:800;cursor:pointer;line-height:1}
/* hero */
.hero{position:relative;margin-top:-72px;padding:calc(72px + 3.2rem) 0 calc(var(--cut) + 3rem);background:linear-gradient(120deg,#1e2530,#2a3442,#1f2a1f,#1e2530);background-size:200% 200%;animation:gradientShift 12s ease infinite;clip-path:polygon(0 0,100% 0,100% calc(100% - var(--cut)),0 100%);isolation:isolate}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;filter:blur(60px);z-index:-1;animation:floatOrb 14s var(--ease-kinetic) infinite alternate}
.hero::before{width:280px;height:280px;background:rgba(163,230,53,.28);right:8%;top:20%}
.hero::after{width:220px;height:220px;background:rgba(168,85,247,.25);left:40%;bottom:-10%;animation-delay:-6s}
.hero h1{font-size:clamp(2rem,5vw,3.6rem);max-width:22ch;margin:0}
.hero h1::after{content:"";display:block;width:120px;height:6px;background:var(--accent-primary);margin-top:1rem}
@keyframes gradientShift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
@keyframes floatOrb{to{transform:translate(-40px,30px) scale(1.15)}}
/* bands */
.band{position:relative;padding:calc(var(--cut) + 3.5rem) 0 calc(var(--cut) + 3.5rem);margin-top:calc(var(--cut) * -1);background:var(--bg-canvas);clip-path:polygon(0 var(--cut),100% 0,100% calc(100% - var(--cut)),0 100%);isolation:isolate}
.band.alt{background:var(--bg-alt)}
.band::before,.band::after{content:"";position:absolute;border-radius:50%;filter:blur(70px);z-index:-1;pointer-events:none}
.band::before{width:340px;height:340px;background:rgba(163,230,53,.16);left:-60px;top:25%}
.band::after{width:300px;height:300px;background:rgba(168,85,247,.18);right:-40px;bottom:15%}
.sec-h{display:flex;align-items:center;gap:.8rem;flex-wrap:wrap;margin-bottom:1.6rem}.sec-h h2{margin:0}
/* bento */
.bento{display:grid;gap:1rem;grid-template-columns:repeat(4,minmax(0,1fr))}
.grid-auto{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.b-flash{grid-template-areas:"lead lead t1 t1" "lead lead t2 t3"}
.b-four{grid-template-areas:"t1 t2 t3 t4"}
.b-play{grid-template-areas:"play play art note"}
.b-cta{grid-template-areas:"play play play art"}
.b-intro{grid-template-areas:"sum sum fig fig" "k1 k2 fig fig"}
.b-read{grid-template-areas:"read read read src" "read read read next"}
.b-tool{grid-template-areas:"lead lead lead lead" "t1 t1 t2 t2"}
.g-lead{grid-area:lead}.g-t1{grid-area:t1}.g-t2{grid-area:t2}.g-t3{grid-area:t3}.g-t4{grid-area:t4}.g-sum{grid-area:sum}.g-fig{grid-area:fig}.g-k1{grid-area:k1}.g-k2{grid-area:k2}.g-read{grid-area:read}.g-src{grid-area:src;align-self:start}.g-next{grid-area:next;align-self:start}.g-play{grid-area:play}.g-art{grid-area:art}.g-note{grid-area:note}
/* tiles */
.tile{position:relative;background:var(--bg-surface);-webkit-backdrop-filter:var(--glass-backdrop);backdrop-filter:var(--glass-backdrop);border:1px solid var(--border-subtle);padding:1.6rem;color:var(--text-primary);transition:transform .5s var(--ease-kinetic),box-shadow .5s var(--ease-kinetic),background .3s,border-color .3s}
a.tile{text-decoration:none;display:block}
.lift:hover,a.tile:hover{transform:translateY(-5px) scale(1.015);box-shadow:var(--shadow-elevation),var(--glow-accent);border-color:rgba(163,230,53,.55);background:var(--bg-surface-hover);color:var(--text-primary)}
.tile p:last-child{margin-bottom:0}.tile h3{margin-top:.7rem}
.tile-lead{display:flex;flex-direction:column;justify-content:space-between;min-height:100%}
.art{padding:0;overflow:hidden;display:flex;align-items:stretch}.art svg{width:100%;height:100%;display:block;min-height:220px}
.read-body{max-width:70ch;margin:0 auto}
.read-body h2{font-size:1.55rem;margin-top:1.8em}.read-body h2:first-child{margin-top:0}
.read-body ul{padding-left:1.2rem}.read-body li{margin-bottom:.5rem}
.badge{display:inline-block;background:var(--accent-primary);color:#1e2530;border-radius:999px;padding:.15rem .75rem;font-size:.74rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em;line-height:1.6}
.badge.out{background:transparent;color:var(--accent-primary);border:1.5px solid var(--accent-primary)}
.badge.vio{background:transparent;color:#e9d5ff;border:1.5px solid var(--accent-secondary)}
.num{width:2.7rem;height:2.7rem;border-radius:50%;border:2px solid var(--accent-primary);display:grid;place-items:center;font-weight:800;color:var(--accent-primary)}
.avatar{width:3.2rem;height:3.2rem;border-radius:50%;background:var(--accent-primary);color:#1e2530;display:grid;place-items:center;font-weight:800;margin-bottom:.6rem}
.count{display:block;font-size:clamp(2.6rem,6vw,4rem);font-weight:800;color:var(--accent-primary);line-height:1;letter-spacing:-.03em;margin-bottom:.4rem}
.kfact strong{display:block;font-size:2rem;color:var(--accent-primary);line-height:1.1;letter-spacing:-.02em}
.split{display:grid;grid-template-columns:1fr 1fr;gap:1.4rem}
.split ul{padding-left:1.1rem;margin:0}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.4rem;border:2px solid var(--accent-primary);background:transparent;color:var(--accent-primary);text-transform:uppercase;letter-spacing:.12em;font:800 .85rem/1.2 var(--font);text-decoration:none;cursor:pointer;border-radius:0;transition:background .3s var(--ease-kinetic),color .3s,transform .4s var(--ease-kinetic),box-shadow .4s var(--ease-kinetic)}
.btn:hover{background:var(--accent-primary);color:#1e2530;transform:translateY(-3px);box-shadow:var(--shadow-elevation),var(--glow-accent)}
.btn-row{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:1.2rem}
/* lists */
.src-list{list-style:none;padding:0;margin:0}
.src-list li{display:flex;gap:.8rem;align-items:flex-start;padding:.75rem 0;border-bottom:1px solid var(--border-subtle);font-size:.95rem}
.src-list li:last-child{border-bottom:0}
.dot{flex:none;width:1.8rem;height:1.8rem;border-radius:50%;background:var(--accent-primary);color:#1e2530;display:grid;place-items:center;font-weight:800;font-size:.78rem}
/* faq */
details{border-top:1px solid var(--border-subtle);padding:.2rem 0}details:first-of-type{border-top:0}
summary{cursor:pointer;font-weight:700;list-style:none;padding:.6rem 2rem .6rem 0;position:relative}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:0;top:.35rem;width:1.6rem;height:1.6rem;border-radius:50%;border:2px solid var(--accent-primary);color:var(--accent-primary);display:grid;place-items:center;font-weight:800;transition:transform .4s var(--ease-kinetic)}
details[open] summary::after{transform:rotate(45deg)}
details p{color:var(--text-muted);margin:.2rem 0 .8rem}
/* table */
.cmp{width:100%;min-width:640px;border-collapse:collapse;font-size:.95rem}
.cmp th,.cmp td{padding:.8rem;text-align:left;border-bottom:1px solid var(--border-subtle);vertical-align:top}
.cmp thead th{color:var(--accent-primary);border-bottom:2px solid var(--accent-primary)}
.cmp tbody th{color:#fff}
/* duotone */
.duo{position:relative;background:var(--accent-primary);aspect-ratio:16/9;overflow:hidden;margin:0}
.duo img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.15);mix-blend-mode:multiply}
.duo::after{content:"";position:absolute;inset:0;background:#1e2530;mix-blend-mode:lighten}
/* tool */
.tool{display:grid;grid-template-columns:1fr 1fr;gap:1.6rem}
.field{margin-bottom:1rem}.field label{display:block;font-weight:700;margin-bottom:.3rem;font-size:.95rem}
.field input,.field select,.field textarea{width:100%;background:rgba(24,32,42,.85);border:1px solid rgba(255,255,255,.18);color:#fff;font:inherit;padding:.7rem .8rem;border-radius:0}
.field textarea{min-height:160px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent-primary)}
.preview{white-space:pre-wrap;background:rgba(24,32,42,.85);border:1px dashed var(--accent-primary);padding:1rem;min-height:320px;margin:0;font:.9rem/1.6 ui-monospace,Consolas,monospace;color:#e5e7eb}
.toast{position:fixed;left:50%;bottom:1.5rem;transform:translate(-50%,180%);background:var(--accent-primary);color:#1e2530;padding:.8rem 1.4rem;font-weight:800;z-index:60;transition:transform .5s var(--ease-kinetic);box-shadow:var(--shadow-elevation)}
.toast.show{transform:translate(-50%,0)}
/* footer */
.site-footer{position:relative;background:var(--bg-alt);margin-top:calc(var(--cut) * -1);padding:calc(var(--cut) + 3rem) 0 2rem;clip-path:polygon(0 var(--cut),100% 0,100% 100%,0 100%)}
.ft-grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.ft-grid h2{font-size:1rem;text-transform:uppercase;letter-spacing:.12em;color:var(--accent-primary)}
.ft-grid ul{list-style:none;padding:0;margin:0}.ft-grid li{margin:.35rem 0}
.ft-grid a{color:#fff;text-decoration:none}.ft-grid a:hover{color:var(--accent-primary)}
.ft-copy{margin-top:1.6rem;padding-top:1.2rem;border-top:1px solid var(--border-subtle);font-size:.88rem;color:var(--text-muted)}
/* reveal */
.js .reveal{opacity:0;transform:translateY(28px)}
.js .reveal.reveal-visible{opacity:1;transform:translateY(0);transition:all .7s var(--ease-kinetic)}
@media (max-width:1024px){
.b-read{grid-template-areas:"read read read read" "src src next next"}
.b-play{grid-template-areas:"play play play play" "art art note note"}
.b-cta{grid-template-areas:"play play art art"}
.b-four{grid-template-areas:"t1 t2" "t3 t4";grid-template-columns:1fr 1fr}
#site-nav a{padding:.4rem .5rem;font-size:.9rem}}
@media (max-width:768px){
.menu-btn{display:grid}
#site-nav{position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:.3rem;background:rgba(30,37,48,.97);-webkit-backdrop-filter:var(--glass-backdrop);backdrop-filter:var(--glass-backdrop);padding:1rem 1.25rem 1.4rem;border-bottom:2px solid var(--accent-primary);opacity:0;visibility:hidden;transform:translateY(-14px);transition:opacity .4s var(--ease-kinetic),transform .4s var(--ease-kinetic),visibility .4s}
#site-nav.open{opacity:1;visibility:visible;transform:none}
#site-nav a{padding:.7rem .8rem;font-size:1rem}
.bento{grid-template-columns:1fr!important;grid-template-areas:none!important}
.bento>*{grid-area:auto!important}
.tool,.split{grid-template-columns:1fr}}
@media (min-width:481px) and (max-width:768px){.tile{padding:1.4rem}}
@media (max-width:480px){.tile{padding:1.15rem}.hero h1{font-size:1.85rem}.band{padding-top:calc(var(--cut) + 2.4rem);padding-bottom:calc(var(--cut) + 2.4rem)}.btn{width:100%}}
@media (min-width:1025px){.hero{padding-bottom:calc(var(--cut) + 3.6rem)}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.js .reveal{opacity:1;transform:none}}