:root{--bg-canvas:#f3f0fa;--bg-surface:#fff;--bg-surface-hover:#fbf8fd;--text-primary:#334155;--text-muted:#566070;--accent-primary:#702b68;--accent-secondary:#9c4f91;--accent-soft:#ece1f1;--border-subtle:rgba(112,43,104,.16);--ease-kinetic:cubic-bezier(.16,1,.3,1);--shadow-elevation:0 12px 32px -4px rgba(60,30,60,.2);--shadow-soft:0 6px 22px -10px rgba(60,30,60,.22);--glow-accent:0 0 24px -8px var(--accent-primary);--glass-backdrop:blur(16px) saturate(180%);--r:20px;--head:"Arial Narrow","Helvetica Neue",Arial,sans-serif;--body:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg-canvas);color:var(--text-primary);font:1.0625rem/1.7 var(--body);overflow-wrap:anywhere;hyphens:auto}
img{max-width:100%;display:block}
a{color:var(--accent-primary);text-underline-offset:3px}
a:hover{color:var(--accent-secondary)}
:focus-visible{outline:3px solid var(--accent-primary);outline-offset:3px;border-radius:6px}
h1,h2,h3,h4{font-family:var(--head);font-stretch:condensed;text-transform:uppercase;letter-spacing:.14em;line-height:1.18;color:#2b2036;overflow-wrap:anywhere;hyphens:auto;margin:0 0 .8rem}
h1{font-size:clamp(2rem,4.6vw,3.3rem);letter-spacing:.09em;color:var(--accent-primary)}
h2{font-size:clamp(1.35rem,2.6vw,1.95rem)}
h3{font-size:1.05rem}
p{margin:0 0 1rem}
.wrap{max-width:1200px;margin:0 auto;padding:0 clamp(1rem,4vw,2rem)}
.prose{max-width:70ch}
.center{margin:0 auto}
.kicker{display:inline-block;font:700 .75rem var(--head);letter-spacing:.2em;text-transform:uppercase;color:var(--accent-primary);background:var(--accent-soft);padding:.3rem .8rem;border-radius:999px;margin-bottom:1rem}
.lead{font-size:1.15rem;color:var(--text-muted)}
.skip{position:absolute;left:-999px;top:0;background:#fff;padding:.5rem 1rem;z-index:50}
.skip:focus{left:1rem}
/* header */
.site{position:relative;background:var(--bg-surface);box-shadow:0 1px 0 var(--border-subtle)}
.tagbar{background:var(--accent-primary);color:#f6eef7;font:600 .72rem var(--head);letter-spacing:.18em;text-transform:uppercase;text-align:left}
.tagbar p{margin:0;padding:.4rem clamp(1rem,4vw,2rem);max-width:1200px;margin:0 auto}
.bar{position:relative;max-width:1200px;margin:0 auto;padding:.85rem clamp(1rem,4vw,2rem);display:flex;align-items:center;justify-content:space-between;gap:1.5rem}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;color:#2b2036;font:700 1.05rem var(--head);letter-spacing:.08em;margin-right:auto}
.mark{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));position:relative;flex:none}
.mark::before{content:"";position:absolute;inset:8px 6px 6px;border:2px solid #fff;border-radius:3px}
.mark::after{content:"";position:absolute;left:50%;top:6px;bottom:6px;width:2px;background:#fff;transform:translateX(-50%)}
#nav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.2rem}
#nav a{display:block;padding:.45rem .7rem;border-radius:999px;text-decoration:none;color:var(--text-primary);font:600 .78rem var(--head);letter-spacing:.12em;text-transform:uppercase;transition:background .3s var(--ease-kinetic),color .3s}
#nav a:hover,#nav a[aria-current="page"]{background:var(--accent-soft);color:var(--accent-primary)}
.menu-btn{display:none;border:0;background:var(--accent-soft);color:var(--accent-primary);width:44px;height:44px;border-radius:999px;font-size:1.5rem;cursor:pointer}
/* buttons */
.btn{display:inline-block;background:var(--accent-primary);color:#fff;border:0;border-radius:999px;padding:.85rem 1.6rem;font:700 .82rem var(--head);letter-spacing:.14em;text-transform:uppercase;text-decoration:none;cursor:pointer;transition:transform .4s var(--ease-kinetic),box-shadow .4s var(--ease-kinetic),background .3s}
.btn:hover{color:#fff;background:#5e2357;transform:translateY(-3px);box-shadow:var(--shadow-elevation),var(--glow-accent)}
.btn.soft{background:var(--accent-soft);color:var(--accent-primary)}
.btn.soft:hover{background:#e2d1ea;color:var(--accent-primary)}
.actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.5rem}
/* glow backgrounds */
.glow{position:relative;isolation:isolate}
.glow::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(48% 60% at 85% 30%,rgba(112,43,104,.2),transparent 70%),radial-gradient(40% 55% at 10% 85%,rgba(156,79,145,.16),transparent 70%),radial-gradient(30% 40% at 50% 0%,rgba(112,43,104,.1),transparent 70%);background-size:200% 200%;animation:gradientShift 14s ease infinite}
@keyframes gradientShift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
/* hero */
.hero{padding:clamp(3rem,7vw,6rem) 0}
.hero .wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.stack{position:relative;min-height:480px}
.stack img{position:absolute;border-radius:var(--r);object-fit:cover;box-shadow:var(--shadow-elevation);transition:transform .6s var(--ease-kinetic)}
.stack img:hover{transform:translateY(-6px) scale(1.02);z-index:5}
.s1{width:58%;aspect-ratio:4/5;top:0;left:0}
.s2{width:52%;aspect-ratio:4/3;top:10%;right:0;z-index:2}
.s3{width:48%;aspect-ratio:1/1;bottom:0;left:26%;z-index:3}
/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4.5rem);align-items:center;padding:clamp(3rem,6vw,5.5rem) 0}
.split.rev .media{order:2}
.media{position:relative;margin:0}
.media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r);box-shadow:var(--shadow-soft)}
.media.wide img{aspect-ratio:16/9}
.media figcaption{font-size:.85rem;color:var(--text-muted);margin-top:.6rem}
.callout{position:absolute;background:rgba(255,255,255,.9);backdrop-filter:var(--glass-backdrop);-webkit-backdrop-filter:var(--glass-backdrop);color:var(--accent-primary);font:700 .7rem var(--head);letter-spacing:.14em;text-transform:uppercase;padding:.35rem .8rem;border-radius:999px;box-shadow:var(--shadow-soft)}
.callout::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--accent-primary);margin-right:.45rem;vertical-align:middle}
.c1{top:8%;left:6%}.c2{top:46%;right:6%}.c3{bottom:16%;left:10%}
.note{border-left:3px solid var(--accent-primary);background:var(--bg-surface);border-radius:0 var(--r) var(--r) 0;padding:.9rem 1.2rem;margin:1.2rem 0;box-shadow:var(--shadow-soft);font-size:.97rem}
.note strong{display:block;font:700 .72rem var(--head);letter-spacing:.18em;text-transform:uppercase;color:var(--accent-primary);margin-bottom:.25rem}
.band{padding:clamp(3rem,6vw,5.5rem) 0}
.band.white{background:var(--bg-surface)}
.section-head{max-width:70ch;margin-bottom:2rem}
/* cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.25rem}
.card{background:var(--bg-surface);border-radius:var(--r);padding:1.6rem;box-shadow:var(--shadow-soft);transition:transform .5s var(--ease-kinetic),box-shadow .5s var(--ease-kinetic),background .3s;text-decoration:none;color:inherit;display:block}
.card:hover{transform:translateY(-5px) scale(1.015);box-shadow:var(--shadow-elevation),var(--glow-accent);background:var(--bg-surface-hover);color:inherit}
.card img{width:calc(100% + 3.2rem);margin:-1.6rem -1.6rem 1.2rem;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r) var(--r) 0 0;max-width:none}
.card .more{font:700 .75rem var(--head);letter-spacing:.14em;text-transform:uppercase;color:var(--accent-primary)}
.tag{font:700 .68rem var(--head);letter-spacing:.18em;text-transform:uppercase;color:var(--accent-secondary)}
/* comparison rows */
.rows{margin:1.5rem 0}
.row{display:grid;grid-template-columns:1fr 1.5fr 1.1fr 1.1fr;gap:1rem;padding:1rem 1.3rem;background:var(--bg-surface);border-radius:var(--r);box-shadow:var(--shadow-soft);margin-bottom:.6rem;font-size:.95rem;transition:transform .4s var(--ease-kinetic)}
.row:not(.head):hover{transform:translateX(4px)}
.row.head{background:transparent;box-shadow:none;font:700 .72rem var(--head);letter-spacing:.16em;text-transform:uppercase;color:var(--accent-primary);padding-bottom:.2rem}
.row b{color:#2b2036}
/* test notes */
details.test{background:var(--bg-surface);border-radius:var(--r);box-shadow:var(--shadow-soft);margin-bottom:.75rem;padding:0 1.3rem}
details.test summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:1rem;padding:1.1rem 0;font:700 .9rem var(--head);letter-spacing:.12em;text-transform:uppercase;color:#2b2036}
details.test summary::-webkit-details-marker{display:none}
details.test summary::after{content:"+";color:var(--accent-primary);font-size:1.3rem;line-height:1}
details.test[open] summary::after{content:"\2013"}
details.test div{padding-bottom:1.1rem}
/* lifecycle */
.lifecycle{list-style:none;padding:0;margin:2rem 0 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:.8rem}
.lifecycle li{background:var(--bg-surface);border-radius:var(--r);padding:1.2rem;box-shadow:var(--shadow-soft);position:relative;font-size:.92rem}
.lifecycle li strong{display:block;font:700 .82rem var(--head);letter-spacing:.14em;text-transform:uppercase;color:var(--accent-primary);margin-bottom:.3rem}
ol.steps{padding-left:1.2rem}
ol.steps li{margin-bottom:.6rem}
/* forms */
.form{background:var(--bg-surface);border-radius:var(--r);padding:clamp(1.2rem,3vw,2rem);box-shadow:var(--shadow-soft)}
.form label{display:block;font:700 .75rem var(--head);letter-spacing:.14em;text-transform:uppercase;margin:1rem 0 .35rem}
.form input,.form select,.form textarea{width:100%;font:inherit;color:inherit;padding:.75rem .9rem;border:1px solid var(--border-subtle);border-radius:14px;background:var(--bg-canvas)}
.form textarea{min-height:150px;resize:vertical}
#msg-output{white-space:pre-wrap;background:var(--bg-canvas);border-radius:14px;padding:1rem;font:.9rem/1.6 ui-monospace,Consolas,monospace;min-height:5rem;margin-top:1rem}
.status{font-size:.9rem;color:var(--accent-primary);min-height:1.4em}
/* footer */
.site-foot{background:#2a1730;color:#efe6f2;margin-top:4rem;padding:3rem 0 1.5rem}
.site-foot a{color:#f2d9ee}
.site-foot .brand{color:#fff}
.fgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:2rem}
.site-foot h2{color:#fff;font-size:.85rem}
.site-foot ul{list-style:none;padding:0;margin:0}
.site-foot li{margin-bottom:.4rem}
.legal{border-top:1px solid rgba(255,255,255,.15);margin-top:2rem;padding-top:1.2rem;font-size:.85rem;color:#d9cbe0}
/* reveal */
.js .reveal{opacity:0;transform:translateY(26px)}
.js .reveal.reveal-visible{opacity:1;transform:translateY(0);transition:all .7s var(--ease-kinetic)}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.js .reveal{opacity:1;transform:none}}
@media (min-width:1025px){#nav ul{flex-wrap:nowrap}}
@media (max-width:1024px){.hero .wrap{grid-template-columns:1fr}.stack{min-height:420px;max-width:620px}#nav a{padding:.4rem .5rem;font-size:.72rem}}
@media (max-width:768px){.menu-btn{display:block}#nav{position:absolute;top:100%;left:0;right:0;background:rgba(255,255,255,.97);backdrop-filter:var(--glass-backdrop);box-shadow:var(--shadow-elevation);border-radius:0 0 var(--r) var(--r);padding:0 1rem;max-height:0;overflow:hidden;visibility:hidden;transition:max-height .5s var(--ease-kinetic),padding .5s,visibility .5s;z-index:40}
.nav-open #nav{max-height:520px;padding:1rem;visibility:visible}#nav ul{flex-direction:column}#nav a{font-size:.85rem;padding:.75rem 1rem}
.split{grid-template-columns:1fr}.split.rev .media{order:0}.row{grid-template-columns:1fr;gap:.3rem}.row.head{display:none}.row span::before{content:attr(data-l) ": ";font:700 .68rem var(--head);letter-spacing:.14em;text-transform:uppercase;color:var(--accent-primary)}}
@media (max-width:480px){body{font-size:1rem}.stack{min-height:330px}.tagbar p{font-size:.64rem}.btn{width:100%;text-align:center}}