:root{
--bg-canvas:#ffffff;--bg-band:#f1f5f9;--bg-surface:#ffffff;--bg-surface-hover:#ecfdf5;
--text-primary:#1e293b;--text-muted:#475569;--accent-primary:#047857;--accent-secondary:#10b981;--accent-deep:#022c22;--accent-pale:#d1fae5;
--border-subtle:rgba(30,41,59,.12);
--ease-kinetic:cubic-bezier(0.16,1,0.3,1);
--shadow-elevation:0 12px 32px -4px rgba(0,0,0,.25);
--shadow-tile:0 6px 18px rgba(30,41,59,.08);
--shadow-lift:0 14px 28px rgba(30,41,59,.14);
--glow-accent:0 0 24px -10px var(--accent-primary);
--glass-backdrop:blur(16px) saturate(180%);
--serif:Charter,"Bitstream Charter","Sitka Text",Cambria,Georgia,serif;
--mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;font-family:var(--serif);font-size:1.0625rem;line-height:1.65;color:var(--text-primary);background:var(--bg-canvas);overflow-wrap:anywhere;hyphens:auto}
h1,h2,h3{line-height:1.15;margin:0 0 .5em;overflow-wrap:anywhere;hyphens:auto}
h1{font-size:clamp(2.1rem,5vw,3.5rem);letter-spacing:-.01em}
h2{font-size:clamp(1.5rem,3vw,2.05rem)}
h3{font-size:1.2rem}
p{margin:0 0 1em}
a{color:var(--accent-primary);text-underline-offset:3px}
a:hover{color:var(--accent-deep)}
:focus-visible{outline:3px solid var(--accent-primary);outline-offset:3px}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-9999px;top:0}
.skip:focus{left:16px;top:16px;background:#fff;padding:8px 14px;z-index:60}
.tag{display:inline-block;font-variant-caps:all-small-caps;letter-spacing:.12em;font-weight:700;color:var(--accent-primary);margin-bottom:6px}
.muted{color:var(--text-muted)}
/* header */
.site-header{position:relative;margin:16px;z-index:30}
.header-box{position:relative;max-width:1200px;margin:0 auto;background:#fff;border-radius:999px;box-shadow:var(--shadow-tile);display:flex;align-items:center;gap:16px;padding:10px 14px 10px 22px}
.brand{display:flex;align-items:center;gap:10px;margin-right:auto;text-decoration:none;color:var(--text-primary);font-weight:700;font-size:1.1rem}
.brand svg{width:30px;height:30px;flex:none}
.nav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;justify-content:flex-end;gap:2px}
.nav a{display:block;padding:7px 11px;text-decoration:none;color:var(--text-primary);font-variant-caps:all-small-caps;letter-spacing:.1em;font-size:1.05rem;border-radius:999px;transition:background .3s var(--ease-kinetic),color .3s}
.nav a:hover,.nav a[aria-current=page]{background:var(--bg-surface-hover);color:var(--accent-primary)}
.menu-btn{display:none;width:44px;height:44px;border:0;background:var(--bg-band);color:var(--text-primary);font-size:1.5rem;line-height:1;border-radius:50%;cursor:pointer}
/* hero */
.hero{position:relative;padding:28px 0 56px;isolation:isolate}
.hero::before{content:"";position:absolute;inset:-120px 0 0;z-index:-1;background:radial-gradient(circle at 18% 35%,rgba(4,120,87,.16),transparent 42%),radial-gradient(circle at 82% 55%,rgba(16,185,129,.14),transparent 46%),radial-gradient(circle at 50% 100%,rgba(4,120,87,.08),transparent 50%);background-size:200% 200%;animation:gradientShift 12s ease infinite}
@keyframes gradientShift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:stretch}
.panel{background:#fff;box-shadow:var(--shadow-tile);padding:clamp(24px,4vw,48px);border-radius:0}
.panel.art{display:flex;align-items:center;justify-content:center;background:var(--bg-band);padding:24px}
.panel.art svg{width:100%;height:auto;max-height:380px}
.deck{font-size:1.25rem;color:var(--text-muted);max-width:42ch}
.actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:24px}
/* buttons */
.btn{display:inline-block;background:var(--accent-primary);color:#fff;text-decoration:none;font:inherit;font-weight:700;padding:12px 22px;border:0;border-radius:0;box-shadow:4px 4px 0 var(--text-primary);cursor:pointer;transition:transform .25s var(--ease-kinetic),box-shadow .25s var(--ease-kinetic)}
.btn:hover{transform:translate(4px,4px);box-shadow:0 0 0 var(--text-primary);color:#fff}
.btn.alt{background:#fff;color:var(--text-primary)}
.btn.alt:hover{color:var(--text-primary)}
/* bands and tiles */
.band{background:var(--bg-band);padding:56px 0;position:relative;isolation:isolate}
.tile{position:relative;background:var(--bg-surface);box-shadow:var(--shadow-tile);padding:28px;border-radius:0;transition:transform .45s var(--ease-kinetic),box-shadow .45s var(--ease-kinetic),background .3s}
.tile:hover,.js .tile.reveal-visible:hover{transform:translateY(-5px) scale(1.015);box-shadow:var(--shadow-lift),var(--glow-accent)}
.tile.still:hover,.js .tile.still.reveal-visible:hover{transform:none;box-shadow:var(--shadow-tile)}
.glow-bg{background-image:radial-gradient(circle at 85% 15%,rgba(4,120,87,.12),transparent 55%),radial-gradient(circle at 10% 90%,rgba(16,185,129,.1),transparent 50%)}
.bento{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;grid-template-areas:"base base shades shades" "stat stat stat stat" "names names faq faq" "about about contact contact"}
.a-base{grid-area:base}.a-shades{grid-area:shades}.a-stat{grid-area:stat}.a-names{grid-area:names}.a-faq{grid-area:faq}.a-about{grid-area:about}.a-contact{grid-area:contact}
.a-shades{padding:24px;background-color:transparent}
.shade-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.shade-tile{display:flex;flex-direction:column;gap:6px}
.shade-tile.wide{grid-column:span 2;flex-direction:row;align-items:center;gap:20px}
.shade-tile svg{width:64px;height:64px;flex:none}
.shade-tile h3{margin:0}
.shade-tile p{margin:0;font-size:.98rem}
.stretch::after{content:"";position:absolute;inset:0}
.shade-tile a{text-decoration:none;color:var(--text-primary)}
.shade-tile a:hover{color:var(--accent-primary)}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:18px;margin-top:12px}
.stat{border-left:4px solid var(--accent-primary);padding:4px 0 4px 14px}
.stat strong{display:block;font-size:2.2rem;line-height:1.1;color:var(--accent-primary)}
.stat span{font-size:.95rem;color:var(--text-muted)}
.entity-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin-top:10px}
.entity{background:var(--bg-band);padding:16px}
.entity h3{font-size:1.05rem;margin-bottom:4px}
.entity p{font-size:.95rem;margin:0}
.chip{display:inline-block;padding:2px 10px;margin:0 6px 6px 0;background:#fff;font-variant-caps:all-small-caps;letter-spacing:.1em;font-size:.95rem;color:var(--accent-deep);box-shadow:inset 0 0 0 1px var(--border-subtle)}
.icon-list{list-style:none;padding:0;margin:16px 0;display:grid;gap:12px}
.icon-list li{display:flex;gap:12px;align-items:flex-start}
.icon-list svg{width:28px;height:28px;flex:none;margin-top:2px}
/* grid engine */
.grid-auto{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
/* topic layout */
.topic{display:grid;grid-template-columns:280px minmax(0,1fr);gap:40px;align-items:start}
.side{display:grid;gap:16px;position:sticky;top:16px}
.side .tile{padding:20px}
.side ul{list-style:none;padding:0;margin:0}
.side li{padding:4px 0}
.spec{display:grid;grid-template-columns:auto 1fr;gap:4px 12px;margin:0;font-size:.95rem}
.spec dt{font-variant-caps:all-small-caps;letter-spacing:.1em;font-weight:700;color:var(--text-muted)}
.spec dd{margin:0}
.prose{max-width:70ch;margin:0 auto 0 0}
.prose section{margin-bottom:40px}
.prose h2{margin-top:.2em}
.prose figure{margin:24px 0}
.photo{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:0;background:var(--accent-pale)}
figcaption{font-size:.9rem;color:var(--text-muted);margin-top:8px}
.narrow{max-width:72ch;margin:0 auto}
table{border-collapse:collapse;width:100%;min-width:560px;background:#fff;box-shadow:var(--shadow-tile);font-size:.97rem}
th,td{padding:12px 14px;text-align:left;vertical-align:top;border-bottom:1px solid var(--border-subtle)}
th{background:var(--accent-primary);color:#fff;font-variant-caps:all-small-caps;letter-spacing:.1em;font-size:1.05rem}
td:first-child{font-weight:700}
.steps{list-style:none;counter-reset:s;padding:0;margin:16px 0}
.steps li{counter-increment:s;position:relative;background:#fff;box-shadow:var(--shadow-tile);padding:16px 18px 16px 72px;margin-bottom:12px}
.steps li::before{content:"step " counter(s,decimal-leading-zero);position:absolute;left:14px;top:16px;width:52px;font-variant-caps:all-small-caps;letter-spacing:.08em;font-weight:700;color:var(--accent-primary);font-size:.85rem;line-height:1.2}
.steps strong{font-variant-caps:all-small-caps;letter-spacing:.08em;font-size:1.08rem}
.callout{background:var(--accent-pale);padding:18px 20px;border-left:4px solid var(--accent-primary)}
/* faq */
.faq-item{background:#fff;box-shadow:var(--shadow-tile);margin-bottom:12px}
.faq-item h3{margin:0;font-size:1.08rem}
.faq-toggle{width:100%;text-align:left;background:none;border:0;font:inherit;font-weight:700;color:inherit;padding:18px 56px 18px 20px;cursor:pointer;position:relative}
.faq-toggle::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:1.5rem;color:var(--accent-primary);transition:transform .35s var(--ease-kinetic)}
.faq-toggle[aria-expanded=true]::after{transform:translateY(-50%) rotate(45deg)}
.faq-toggle:hover{background:var(--bg-surface-hover)}
.faq-panel{padding:0 20px 18px}
.faq-panel p:last-child{margin:0}
.a-faq .faq-item{box-shadow:none;background:var(--bg-band)}
/* tool */
.tool{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:stretch}
.field{margin-bottom:16px}
.field label{display:block;font-variant-caps:all-small-caps;letter-spacing:.1em;font-weight:700;margin-bottom:4px}
input,select,textarea{width:100%;font:inherit;padding:10px 12px;border:1px solid #cbd5e1;border-radius:0;background:#fff;color:var(--text-primary)}
textarea{min-height:160px;resize:vertical}
.note-card{font-family:var(--mono);white-space:pre-wrap;background:var(--bg-band);padding:18px;min-height:300px;font-size:.88rem;line-height:1.55;margin:0 0 20px;overflow-wrap:anywhere}
.status{min-height:1.5em;font-size:.95rem;color:var(--accent-primary);margin-top:12px}
/* footer */
.site-footer{background:var(--bg-band);padding:48px 0 0}
.foot-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.foot-tile{background:#fff;padding:22px;box-shadow:var(--shadow-tile)}
.foot-tile ul{list-style:none;padding:0;margin:0}
.foot-tile li{padding:3px 0}
.foot-tile p{font-size:.95rem}
.copybar{border-top:1px solid var(--border-subtle);margin-top:32px;padding:18px 0 24px;font-size:.9rem;color:var(--text-muted)}
.copybar p{margin:0 0 4px}
/* reveal */
.js .reveal{opacity:0;transform:translateY(24px)}
.js .reveal.reveal-visible{opacity:1;transform:translateY(0);transition:all .7s var(--ease-kinetic)}
/* responsive */
@media (min-width:1025px){body{font-size:1.08rem}}
@media (max-width:1024px){
.bento{grid-template-columns:1fr 1fr;grid-template-areas:"base base" "shades shades" "stat stat" "names names" "faq faq" "about contact"}
.nav a{padding:6px 8px;font-size:1rem}}
@media (max-width:900px){.topic{grid-template-columns:1fr}.side{position:static;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}}
@media (max-width:768px){
.menu-btn{display:inline-flex;align-items:center;justify-content:center}
.header-box{padding:8px 8px 8px 18px}
.nav{position:absolute;left:0;right:0;top:calc(100% + 10px);background:#fff;box-shadow:var(--shadow-lift);border-radius:0;max-height:0;overflow:hidden;visibility:hidden;transition:max-height .5s var(--ease-kinetic),visibility 0s linear .5s}
.nav.open{max-height:85vh;visibility:visible;transition:max-height .5s var(--ease-kinetic)}
.nav ul{flex-direction:column;padding:10px}
.nav a{border-radius:0;padding:12px 14px;font-size:1.15rem}
.hero-grid,.tool{grid-template-columns:1fr}
.bento{grid-template-columns:1fr;grid-template-areas:"base" "shades" "stat" "names" "faq" "about" "contact"}}
@media (max-width:480px){
.shade-grid{grid-template-columns:1fr}
.shade-tile.wide{grid-column:auto;flex-direction:column;align-items:flex-start}
.tile{padding:20px}.a-shades{padding:0}
.brand span{font-size:.98rem}
.steps li{padding-left:18px;padding-top:40px}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.js .reveal{opacity:1;transform:none}}