:root{--bg-canvas:#fff;--bg-surface:#fff;--bg-surface-hover:#faf5ff;--band:#f1f5f9;--text-primary:#27272a;--text-muted:#52525b;--accent-primary:#7e22ce;--accent-secondary:#a855f7;--border-subtle:#d4d4d8;--ease-kinetic:cubic-bezier(.16,1,.3,1);--shadow-elevation:none;--glow-accent:none;--glass-backdrop:none;--head:"Arial Narrow","Helvetica Neue",Arial,sans-serif;--dots:radial-gradient(circle,#d4d4d8 1.3px,transparent 1.6px)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:1rem/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--text-primary);background:var(--bg-canvas);overflow-wrap:anywhere;hyphens:auto}
img{max-width:100%;display:block;object-fit:cover}
a{color:var(--accent-primary)}
a:hover{color:#581c87}
:focus-visible{outline:3px solid var(--accent-secondary);outline-offset:3px}
h1,h2,h3,h4{font-family:var(--head);text-transform:uppercase;letter-spacing:.08em;line-height:1.15;margin:0 0 .6em;overflow-wrap:anywhere;hyphens:auto}
h1{font-size:clamp(2rem,4.6vw,3.4rem);letter-spacing:.05em}
h2{font-size:clamp(1.5rem,3vw,2.2rem)}
h3{font-size:1.15rem}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.2em}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px;top:0}
.skip:focus{left:8px;top:8px;background:#fff;padding:8px 12px;z-index:99;border:1px solid var(--border-subtle)}
.small{font-size:.9rem;color:var(--text-muted)}
.eyebrow{font-family:var(--head);text-transform:uppercase;letter-spacing:.22em;font-weight:700;font-size:.8rem;color:var(--accent-primary);margin-bottom:.8em}
.lead{font-size:1.15rem;color:var(--text-muted);max-width:60ch}
/* header */
.site-header{position:relative;background:#fff;border-bottom:1px solid var(--border-subtle);z-index:50}
.hd{display:flex;align-items:center;gap:28px;min-height:70px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--head);text-transform:uppercase;letter-spacing:.12em;font-weight:700;font-size:1.05rem;color:var(--text-primary);text-decoration:none;flex:none}
.mark{width:34px;height:34px;border-radius:50%;background:var(--accent-primary);color:#fff;display:grid;place-items:center}
.nav{display:flex;flex:1;align-items:center}
.nav ul{display:flex;gap:4px;list-style:none;margin:0;padding:0}
.nav-end{margin-left:auto}
.nav a{display:block;padding:8px 12px;font-family:var(--head);text-transform:uppercase;letter-spacing:.1em;font-size:.95rem;font-weight:700;color:var(--text-primary);text-decoration:none;border-bottom:2px solid transparent;transition:border-color .3s,color .3s}
.nav a:hover,.nav a[aria-current=page]{border-bottom-color:var(--accent-primary);color:var(--accent-primary)}
.menu-btn{display:none;margin-left:auto;width:44px;height:44px;border-radius:50%;border:1px solid var(--border-subtle);background:#fff;color:var(--text-primary);font-size:1.6rem;line-height:1;cursor:pointer}
/* buttons */
.btn{display:inline-block;background:var(--accent-primary);color:#fff;border:0;border-radius:999px;padding:13px 28px;font:700 .95rem var(--head);text-transform:uppercase;letter-spacing:.1em;text-decoration:none;cursor:pointer;transition:transform .4s var(--ease-kinetic),background .3s}
.btn:hover{background:#6b21a8;color:#fff;transform:translateY(-3px) scale(1.02)}
.lnk{font-family:var(--head);text-transform:uppercase;letter-spacing:.1em;font-weight:700;font-size:.9rem;text-decoration:none;border-bottom:2px solid var(--accent-secondary)}
.row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
/* sections */
.sec{padding:60px 0}
.band{background:var(--band)}
.dots{background-color:#fff;background-image:var(--dots);background-size:22px 22px}
.sec-head{max-width:70ch;margin-bottom:28px}
/* hero */
.hero{padding:56px 0 68px;border-bottom:1px solid var(--border-subtle)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.hero-art{position:relative;height:430px}
.hero-art img{position:absolute;aspect-ratio:1/1;height:auto;border:1px solid var(--border-subtle);background:#f4f4f5}
.hero-art .i1{top:0;left:0;width:58%;z-index:1}
.hero-art .i2{top:70px;right:0;width:50%;z-index:2}
.hero-art .i3{bottom:0;left:18%;width:48%;z-index:3}
@media(prefers-reduced-motion:no-preference){.hero-art .i1{animation:fl 7s ease-in-out infinite}.hero-art .i2{animation:fl 8s ease-in-out -2s infinite}.hero-art .i3{animation:fl 9s ease-in-out -4s infinite}}
@keyframes fl{50%{transform:translateY(-8px)}}
/* tiles */
.tile{background:var(--bg-surface);border:1px solid var(--border-subtle);padding:22px;display:flex;flex-direction:column;gap:8px;transition:transform .45s var(--ease-kinetic),border-color .3s,background .3s}
.tile:hover{transform:translateY(-4px) scale(1.01);border-color:var(--accent-primary);background:var(--bg-surface-hover)}
.tile h3{margin-bottom:.2em}
.tile p,.tile ul{margin-bottom:.4em}
.tile .lnk{margin-top:auto;align-self:flex-start}
.ph{width:100%;height:auto;border:1px solid var(--border-subtle);background:#f4f4f5}
.r43{aspect-ratio:4/3}.r169{aspect-ratio:16/9}.r11{aspect-ratio:1/1}
.badge{width:36px;height:36px;border-radius:50%;background:var(--accent-primary);color:#fff;display:inline-grid;place-items:center;font:700 1rem var(--head);flex:none}
.tag{display:inline-block;border-radius:999px;background:var(--band);border:1px solid var(--border-subtle);font:700 .75rem var(--head);letter-spacing:.14em;text-transform:uppercase;padding:3px 12px;align-self:flex-start}
.h{flex-direction:row;gap:18px;align-items:center}
.h .ph{width:42%;flex:none}
.h>div{display:flex;flex-direction:column;gap:8px}
.pockets,.tools{display:grid;gap:16px}
.pockets{grid-template-columns:repeat(3,1fr);grid-template-areas:"p1 p1 p2" "p3 p3 p2"}
.p1{grid-area:p1}.p2{grid-area:p2}.p3{grid-area:p3}
.tools{grid-template-columns:repeat(4,1fr);grid-template-areas:"a a b c" "a a d d" "e e f f"}
.ta{grid-area:a}.tb{grid-area:b}.tc{grid-area:c}.td{grid-area:d}.te{grid-area:e}.tf{grid-area:f}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}
.checks{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}
.checks li{background:#fff;border:1px solid var(--border-subtle);padding:20px;display:flex;gap:14px;transition:transform .45s var(--ease-kinetic),border-color .3s}
.checks li:hover{transform:translateY(-4px);border-color:var(--accent-primary)}
.checks h3{font-size:1rem;margin-bottom:.3em}
.checks p{margin:0;color:var(--text-muted);font-size:.95rem}
.cmp{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.cmp dl{margin:0}
.cmp dt{font:700 .8rem var(--head);letter-spacing:.14em;text-transform:uppercase;color:var(--accent-primary);margin-top:10px}
.cmp dd{margin:0}
.feat{border-color:var(--accent-primary)}
/* accordion */
.acc-wrap{max-width:860px}
details.acc{border:1px solid var(--border-subtle);background:#fff;margin-bottom:10px;transition:border-color .3s}
details.acc[open]{border-color:var(--accent-primary)}
.acc summary{cursor:pointer;list-style:none;padding:16px 56px 16px 20px;font:700 1.05rem var(--head);letter-spacing:.06em;text-transform:uppercase;position:relative}
.acc summary::-webkit-details-marker{display:none}
.acc summary::after{content:"+";position:absolute;right:16px;top:50%;transform:translateY(-50%);width:28px;height:28px;border-radius:50%;background:var(--accent-primary);color:#fff;display:grid;place-items:center;font-size:1.1rem;line-height:1}
.acc[open] summary::after{content:"–"}
.acc .ans{padding:0 20px 16px}
/* tool */
.tool{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.tool .tile:hover{transform:none}
.tool label{font:700 .8rem var(--head);letter-spacing:.14em;text-transform:uppercase;margin-top:6px}
.tool input,.tool select,.tool textarea{width:100%;font:inherit;padding:11px 12px;border:1px solid #a1a1aa;background:#fff;color:var(--text-primary);border-radius:0}
.tool .btn{align-self:flex-start;margin-top:12px}
pre#msgPreview{white-space:pre-wrap;overflow-wrap:anywhere;font:.92rem/1.55 ui-monospace,Menlo,Consolas,monospace;background:var(--band);border:1px solid var(--border-subtle);padding:14px;margin:0 0 12px;min-height:200px;flex:1}
/* inner pages */
.pagehead{background:var(--band);border-bottom:1px solid var(--border-subtle);padding:48px 0}
.ph-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:center}
.ph-grid.one{grid-template-columns:1fr}
.prose{max-width:70ch;margin:0 auto}
.prose h2{margin-top:1.8em}
.prose h3{margin-top:1.4em}
.note{border:1px solid var(--accent-primary);padding:16px 20px;background:var(--bg-surface-hover);margin:1.4em 0}
.person{align-items:flex-start}
.avatar{width:64px;height:64px;border-radius:50%;background:var(--accent-primary);color:#fff;display:grid;place-items:center;font:700 1.4rem var(--head);letter-spacing:.05em}
/* footer */
.site-footer{background-color:var(--band);background-image:var(--dots);background-size:22px 22px;border-top:1px solid var(--border-subtle);padding:48px 0 22px;margin-top:0}
.ft{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}
.ft-brand{font:700 1.2rem var(--head);letter-spacing:.08em}
.ft-h{font:700 .8rem var(--head);letter-spacing:.2em;text-transform:uppercase;color:var(--accent-primary);margin-bottom:.8em}
.ft ul{list-style:none;padding:0;margin:0}
.ft li{margin-bottom:.4em}
.ft nav a{color:var(--text-primary)}
.ft nav a:hover{color:var(--accent-primary)}
.copy{border-top:1px solid var(--border-subtle);margin:28px 0 0;padding-top:16px;font-size:.88rem;color:var(--text-muted)}
/* reveal */
.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease-kinetic),transform .7s var(--ease-kinetic)}
.js .reveal.reveal-visible{opacity:1;transform:translateY(0)}
@media(prefers-reduced-motion:reduce){.js .reveal{opacity:1;transform:none;transition:none}*{scroll-behavior:auto!important}}
/* responsive */
@media(min-width:1025px){.wrap{padding:0 24px}}
@media(max-width:1024px){
.tools{grid-template-columns:repeat(2,1fr);grid-template-areas:"a a" "b c" "d d" "e f"}
.hero-grid,.ph-grid{grid-template-columns:1fr}
.hero-art{height:400px;max-width:560px}
.ft{grid-template-columns:1fr 1fr}.ft>div:first-child{grid-column:1/-1}
}
@media(max-width:900px){.pockets{grid-template-columns:1fr 1fr;grid-template-areas:"p1 p1" "p2 p3"}.cmp,.tool{grid-template-columns:1fr}}
@media(max-width:767px){
.menu-btn{display:block}
.nav{position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;background:#fff;border-bottom:3px solid var(--accent-primary);padding:8px 20px 16px;opacity:0;visibility:hidden;transform:translateY(-12px);transition:opacity .4s var(--ease-kinetic),transform .4s var(--ease-kinetic),visibility .4s}
.nav.open{opacity:1;visibility:visible;transform:none}
.nav ul{flex-direction:column;gap:0}
.nav-end{margin-left:0;border-top:1px solid var(--border-subtle);margin-top:8px;padding-top:8px}
.nav a{padding:12px 4px;font-size:1.05rem;border-bottom:0}
.sec{padding:44px 0}
}
@media(max-width:560px){
.tools,.pockets{grid-template-columns:1fr;grid-template-areas:none}
.tools>*,.pockets>*{grid-area:auto}
.h{flex-direction:column;align-items:stretch}.h .ph{width:100%}
.ft{grid-template-columns:1fr}
.hero-art{height:340px}
}
@media(max-width:480px){.wrap{padding:0 16px}.hero{padding:36px 0 48px}.btn{padding:12px 22px}}