:root{--bg-canvas:#f3f0fa;--bg-surface:#fff;--bg-surface-hover:#ece6f5;--text-primary:#334155;--text-muted:#5b5568;--accent-primary:#59346f;--accent-secondary:#8a5a8f;--border-subtle:#d9cde6;--plum-deep:#2f1a3b;--ease-kinetic:cubic-bezier(.16,1,.3,1);--r:4px}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;font:1.0625rem/1.75 system-ui,"Segoe UI",sans-serif;color:var(--text-primary);background:var(--bg-surface);overflow-wrap:anywhere;hyphens:auto}
h1,h2,h3,h4{font-family:system-ui,"Segoe UI",sans-serif;font-weight:800;letter-spacing:-.025em;line-height:1.15;color:var(--plum-deep);overflow-wrap:anywhere;hyphens:auto;margin:0 0 .6em}
h1{font-size:clamp(2.1rem,4.6vw,3.5rem)}
h2{font-size:clamp(1.6rem,3vw,2.3rem)}
h3{font-size:1.2rem}
p{margin:0 0 1.1em}
a{color:var(--accent-primary)}
img{max-width:100%;height:auto;display:block;border-radius:var(--r)}
:focus-visible{outline:3px solid var(--accent-secondary);outline-offset:3px}
.wrap{max-width:1200px;margin:0 auto;padding:0 1.5rem}
.prose{max-width:70ch;margin:0 auto}
.eyebrow{font-size:.8rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent-secondary);margin-bottom:.6rem}
.muted{color:var(--text-muted)}
.skip{position:absolute;left:-999px;top:0;background:var(--accent-primary);color:#fff;padding:.5rem 1rem;z-index:50}
.skip:focus{left:1rem}
.tagbar{background:var(--plum-deep);color:#efe7f6;font-size:.82rem;text-align:left}
.tagbar p{margin:0;padding:.35rem 1.5rem;max-width:1200px;margin:0 auto}
.site-header{position:relative;background:#fff;border-bottom:1px solid var(--border-subtle)}
.hdr{display:flex;align-items:center;justify-content:space-between;gap:1rem;max-width:1200px;margin:0 auto;padding:.85rem 1.5rem}
.brand{display:flex;align-items:center;gap:.55rem;text-decoration:none;color:var(--plum-deep);font-weight:800;letter-spacing:-.02em;font-size:1.1rem;margin-right:auto}
.mark{width:32px;height:32px;border-radius:var(--r);background:var(--accent-primary);display:grid;place-items:center;flex:none}
.site-nav{display:flex;flex-wrap:wrap;gap:.15rem}
.site-nav a{font-size:.9rem;font-weight:600;color:var(--text-primary);text-decoration:none;padding:.4rem .55rem;border-radius:var(--r);white-space:nowrap}
.site-nav a:hover{background:var(--bg-surface-hover)}
.site-nav a[aria-current="page"]{color:var(--accent-primary);box-shadow:inset 0 -2px 0 var(--accent-primary)}
.menu-btn{display:none;background:none;border:1px solid var(--border-subtle);border-radius:var(--r);width:42px;height:42px;font-size:1.5rem;color:var(--accent-primary);cursor:pointer;line-height:1}
.band{padding:5rem 0;position:relative}
.lilac{background:var(--bg-canvas);clip-path:polygon(0 0,100% 3rem,100% 100%,0 calc(100% - 3rem));padding:7rem 0}
.lilac.alt{clip-path:polygon(0 3rem,100% 0,100% calc(100% - 3rem),0 100%)}
.lilac.curve{clip-path:ellipse(140% 100% at 50% 100%);padding-top:6rem}
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:3rem;align-items:center}
.hero p.lead{font-size:1.18rem;max-width:52ch}
.stack{position:relative;min-height:470px}
.stack img{position:absolute;border:6px solid #fff;outline:1px solid var(--border-subtle);object-fit:cover;transition:transform .6s var(--ease-kinetic)}
.stack img:hover{transform:translateY(-6px);z-index:5}
.stack .s1{width:60%;aspect-ratio:4/5;top:0;left:0;z-index:1}
.stack .s2{width:50%;aspect-ratio:1/1;top:12%;right:0;z-index:2}
.stack .s3{width:52%;aspect-ratio:4/3;bottom:0;left:24%;z-index:3}
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:3.5rem;align-items:center}
.split.rev>:first-child{order:2}
.split figure{margin:0}
.split img{width:100%;aspect-ratio:4/3;object-fit:cover}
figcaption{font-size:.85rem;color:var(--text-muted);margin-top:.5rem}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.25rem}
.panel{background:#fff;border:1px solid var(--border-subtle);border-radius:var(--r);padding:1.5rem;transition:transform .5s var(--ease-kinetic),background .3s}
.panel:hover{transform:translateY(-3px)}
.lilac .panel{background:#fff}
.panel h3{margin-bottom:.4rem}
.btn{display:inline-block;background:var(--accent-primary);color:#fff;text-decoration:none;font-weight:700;padding:.85rem 1.4rem;border-radius:var(--r);border:0;cursor:pointer;font-size:1rem;transition:background .3s,transform .4s var(--ease-kinetic)}
.btn:hover{background:var(--plum-deep);transform:translateY(-2px)}
.tlink{color:var(--accent-primary);font-weight:700;text-decoration:none;background:linear-gradient(currentColor,currentColor) 0 100%/28% 2px no-repeat;padding-bottom:2px;transition:background-size .45s var(--ease-kinetic);border:0;cursor:pointer;font-size:1rem;font-family:inherit}
.tlink:hover,.tlink:focus-visible{background-size:100% 2px}
button.tlink{background-color:transparent}
.actions{display:flex;flex-wrap:wrap;gap:1.5rem;align-items:center;margin-top:1.5rem}
.ba{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin:1.5rem 0}
.ba>div{border:1px solid var(--border-subtle);border-radius:var(--r);background:#fff;padding:1rem 1.2rem}
.ba .tag{display:inline-block;font-size:.75rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;padding:.15rem .5rem;border-radius:var(--r);background:var(--bg-surface-hover);color:var(--accent-primary);margin-bottom:.5rem}
.ba pre{margin:0;white-space:pre-wrap;font:.88rem/1.6 ui-monospace,Consolas,monospace;color:var(--text-primary)}
.note-ex{border-left:4px solid var(--accent-primary);background:#fff;border-radius:var(--r);padding:1rem 1.25rem;margin:1.25rem 0;border-top:1px solid var(--border-subtle);border-right:1px solid var(--border-subtle);border-bottom:1px solid var(--border-subtle)}
.note-ex dl{margin:0;display:grid;grid-template-columns:max-content 1fr;gap:.3rem 1rem;font-size:.95rem}
.note-ex dt{font-weight:700;color:var(--accent-primary)}
.note-ex dd{margin:0}
.refs{border:1px solid var(--border-subtle);border-radius:var(--r);background:#fff;margin:1.5rem 0}
.ref-row{display:grid;grid-template-columns:7rem 1fr 9rem;gap:1rem;padding:.9rem 1.2rem;border-bottom:1px solid var(--border-subtle);font-size:.95rem}
.ref-row:last-child{border-bottom:0}
.ref-row.head{font-weight:800;color:var(--plum-deep);background:var(--bg-canvas);font-size:.82rem;text-transform:uppercase;letter-spacing:.06em}
.ref-row code{font-size:.85rem}
details.check{border:1px solid var(--border-subtle);border-radius:var(--r);background:#fff;margin:1rem 0}
details.check summary{cursor:pointer;font-weight:700;padding:1rem 1.2rem;color:var(--plum-deep);list-style-position:inside}
details.check[open] summary{border-bottom:1px solid var(--border-subtle)}
details.check ul{list-style:none;margin:0;padding:1rem 1.2rem}
details.check li{margin:.45rem 0}
details.check label{display:flex;gap:.6rem;align-items:flex-start;cursor:pointer}
details.check input{margin-top:.45rem;accent-color:var(--accent-primary)}
.faq details{border-bottom:1px solid var(--border-subtle);padding:.4rem 0}
.faq summary{cursor:pointer;font-weight:700;padding:.6rem 0;color:var(--plum-deep)}
.faq details p{margin:.2rem 0 1rem}
.diagram{background:#fff;border:1px solid var(--border-subtle);border-radius:var(--r);padding:1rem;margin:1.5rem 0}
.diagram svg{width:100%;height:auto;display:block}
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;padding:0;list-style:none}
.steps li{counter-increment:s;border:1px solid var(--border-subtle);border-radius:var(--r);background:#fff;padding:1.3rem}
.steps li::before{content:"0" counter(s);display:block;font-weight:800;font-size:1.6rem;color:var(--accent-secondary);letter-spacing:-.03em}
.tbl-wrap{overflow-x:auto}
table{border-collapse:collapse;width:100%;min-width:520px;font-size:.95rem}
th,td{border:1px solid var(--border-subtle);padding:.6rem .8rem;text-align:left;vertical-align:top}
th{background:var(--bg-canvas);color:var(--plum-deep)}
form .field{margin-bottom:1rem}
label.lbl{display:block;font-weight:700;margin-bottom:.3rem;color:var(--plum-deep)}
input[type=text],input[type=email],select,textarea{width:100%;font:inherit;padding:.65rem .8rem;border:1px solid var(--border-subtle);border-radius:var(--r);background:#fff;color:var(--text-primary)}
textarea{min-height:150px;resize:vertical}
#msg-output{min-height:190px;font:.88rem/1.6 ui-monospace,Consolas,monospace;background:var(--bg-canvas)}
.status{min-height:1.5em;font-weight:600;color:var(--accent-primary)}
.page-hero h1{max-width:20ch}
.site-footer{background:var(--plum-deep);color:#e8def0;padding:4rem 0 2rem;margin-top:3rem}
.site-footer a{color:#fff}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:2rem}
.fh{font-weight:800;color:#fff;margin-bottom:.6rem;letter-spacing:-.01em}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin:.3rem 0}
.site-footer .copy{border-top:1px solid #4a3158;margin-top:2.5rem;padding-top:1.2rem;font-size:.85rem}
.dom{font-weight:800;font-size:1.1rem}
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease-kinetic),transform .7s var(--ease-kinetic)}
.reveal.reveal-visible{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}*{transition:none!important}}
@media (min-width:1025px){.wrap{padding:0 2rem}}
@media (max-width:1024px){.fgrid{grid-template-columns:1fr 1fr}.hero{gap:2rem}.site-nav a{padding:.4rem .4rem;font-size:.86rem}}
@media (max-width:768px){
.menu-btn{display:block}
.site-nav{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;background:#fff;border-bottom:1px solid var(--border-subtle);padding:.5rem 1.5rem 1rem;z-index:40;animation:drop .4s var(--ease-kinetic)}
.site-nav.open{display:flex}
.site-nav a{padding:.7rem .4rem;font-size:1rem;border-bottom:1px solid var(--bg-surface-hover)}
.hero,.split{grid-template-columns:1fr}
.split.rev>:first-child{order:0}
.stack{min-height:380px}
.ba{grid-template-columns:1fr}
.ref-row{grid-template-columns:1fr}
.lilac{padding:5rem 0}
}
@media (max-width:480px){body{font-size:1rem}.wrap{padding:0 1.1rem}.stack{min-height:300px}.fgrid{grid-template-columns:1fr}.band{padding:3.5rem 0}.note-ex dl{grid-template-columns:1fr}}
@keyframes drop{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:none}}