:root{
--bg-canvas:#fbf1f0;--bg-surface:#fffaf8;--bg-surface-hover:#fff3f1;--text-primary:#1c1917;--text-muted:#5f5450;
--accent-primary:#6b2155;--accent-secondary:#8d3a73;--border-subtle:rgba(107,33,85,.18);--border-highlight:rgba(107,33,85,.5);
--font-sans:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--font-serif:Georgia,"Times New Roman",serif;--font-mono:ui-monospace,SFMono-Regular,Menlo,monospace;
--ease-kinetic:cubic-bezier(.16,1,.3,1);--radius:20px;--shadow-elevation:none;--glow-accent:none;--glass-backdrop:blur(12px) saturate(140%)}
*,*::before,*::after{box-sizing:border-box}
html{overflow-wrap:anywhere;hyphens:auto;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg-canvas);color:var(--text-primary);font:1rem/1.68 var(--font-sans);padding:clamp(10px,3.5vw,48px)}
.frame{max-width:1320px;margin:0 auto;border:1px solid var(--border-highlight);border-radius:var(--radius);padding:clamp(6px,1.2vw,16px) 0}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent-primary);text-underline-offset:3px}
a:hover{color:var(--accent-secondary)}
:focus-visible{outline:3px solid var(--accent-secondary);outline-offset:3px}
h1,h2,h3{font-family:var(--font-serif);line-height:1.2;font-weight:700;color:var(--text-primary)}
h1{font-size:clamp(2rem,5vw,3.3rem);margin:0;max-width:22ch}
h2{font-size:clamp(1.45rem,3vw,2.05rem);margin:0 0 .55em}
h3{font-size:1.18rem;margin:0 0 .4em}
p{margin:0 0 1em}
.wrap{max-width:1240px;margin:0 auto;padding:0 clamp(12px,3vw,32px)}
.muted{color:var(--text-muted)}
.eyebrow{font-size:.74rem;letter-spacing:.2em;text-transform:uppercase;color:var(--accent-primary);font-weight:700;margin:0 0 .6em}
/* header */
.site-header{position:relative;padding:14px clamp(12px,3vw,32px) 0}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--text-primary);font-family:var(--font-serif);font-size:1.3rem;font-weight:700;margin-right:auto}
.brand svg{width:34px;height:34px;flex:none}
.menu-btn{display:none;align-items:center;justify-content:center;width:44px;height:44px;border:1.5px solid var(--accent-primary);border-radius:0;background:transparent;color:var(--accent-primary);font-size:1.5rem;line-height:1;cursor:pointer}
.primary-nav{margin-top:12px;border-top:1px solid var(--border-subtle);border-bottom:1px solid var(--border-subtle)}
.primary-nav ul{list-style:none;margin:0;padding:8px 0;display:flex;justify-content:center;flex-wrap:wrap;gap:2px 24px}
.primary-nav a{position:relative;display:inline-block;padding:6px 0;text-decoration:none;color:var(--text-primary);font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;font-weight:600}
.primary-nav a::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;background:var(--accent-primary);transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease-kinetic)}
.primary-nav a:hover::after,.primary-nav a:focus-visible::after,.primary-nav a[aria-current="page"]::after{transform:scaleX(1)}
.primary-nav a[aria-current="page"]{color:var(--accent-primary)}
/* hero */
.hero{position:relative;margin:20px clamp(12px,3vw,32px) 0;padding:clamp(28px,5vw,54px) clamp(18px,4vw,48px);border:1px solid var(--border-subtle);border-radius:var(--radius);background:radial-gradient(circle at 15% 20%,rgba(107,33,85,.12),transparent 45%),radial-gradient(circle at 85% 80%,rgba(141,58,115,.1),transparent 50%),linear-gradient(120deg,#f6e2e4,#fffaf8 45%,#f3dfe9);background-size:160% 160%;animation:meshDrift 15s ease infinite alternate;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.18;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(images/%23n)' opacity='.35'/%3E%3C/svg%3E")}
.hero h1{position:relative;z-index:1}
@keyframes meshDrift{0%{background-position:0% 30%}100%{background-position:100% 70%}}
/* sections */
.section{padding:clamp(30px,5vw,58px) 0;border-bottom:1px solid var(--border-subtle)}
.section:last-of-type{border-bottom:0}
.section-head{max-width:72ch;margin-bottom:22px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(300px,100%),1fr));gap:18px}
.panel{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius);padding:clamp(18px,3vw,28px);transition:transform .45s var(--ease-kinetic),border-color .3s,background .3s}
.panel.lift:hover{transform:translateY(-4px);border-color:var(--border-highlight);background:var(--bg-surface-hover)}
.panel>*:last-child{margin-bottom:0}
/* buttons */
.btn{display:inline-block;border:1.5px solid var(--accent-primary);border-radius:0;padding:.85em 1.5em;background:transparent;color:var(--accent-primary);font:600 .76rem/1.2 var(--font-sans);letter-spacing:.2em;text-transform:uppercase;text-decoration:none;cursor:pointer;transition:background .3s,color .3s,transform .4s var(--ease-kinetic)}
.btn:hover{background:var(--accent-primary);color:#fffaf8;transform:translateY(-2px)}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;background:transparent;color:var(--accent-primary)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}
/* tabs */
.tablist{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.tab{border:1.5px solid var(--border-highlight);border-radius:0;background:transparent;color:var(--accent-primary);padding:.7em 1.1em;font:600 .74rem/1.2 var(--font-sans);letter-spacing:.16em;text-transform:uppercase;cursor:pointer}
.tab[aria-selected="true"]{background:var(--accent-primary);color:#fffaf8;border-color:var(--accent-primary)}
.tabpanel{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius);padding:clamp(16px,3vw,26px)}
.ref-head,.ref-row{display:grid;grid-template-columns:minmax(150px,1fr) 2fr 1.5fr;gap:16px}
.ref-head{font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent-primary);font-weight:700;padding-bottom:8px;border-bottom:1px solid var(--border-highlight)}
.ref-row{padding:13px 0;border-bottom:1px solid var(--border-subtle)}
.ref-sym{font-family:var(--font-serif);font-weight:700}
.ref-check{font-size:.9rem;color:var(--text-muted)}
/* strips */
.strip{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(200px,100%),1fr));gap:1px;background:var(--border-subtle);border:1px solid var(--border-subtle);border-radius:var(--radius);overflow:hidden;margin:18px 0}
.strip>div{background:var(--bg-surface);padding:12px 16px}
.strip dt{font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;color:var(--accent-primary);font-weight:700}
.strip dd{margin:2px 0 0;font-size:.93rem}
/* details */
details.explain{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius);padding:0 18px;margin:10px 0;transition:border-color .3s}
details.explain[open]{border-color:var(--border-highlight)}
details.explain summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:12px;padding:14px 0;font-weight:600}
details.explain summary::-webkit-details-marker{display:none}
details.explain summary::after{content:"+";color:var(--accent-primary);font-size:1.25rem;line-height:1}
details.explain[open] summary::after{content:"\2013"}
details.explain>div{padding:0 0 14px}
/* media */
.media{margin:0}
.media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius);border:1px solid var(--border-subtle)}
.media.r43 img{aspect-ratio:4/3}
.media.r11 img{aspect-ratio:1/1}
.media figcaption{font-size:.84rem;color:var(--text-muted);margin-top:8px}
.callout{border-left:4px solid var(--accent-primary);background:rgba(107,33,85,.05);border-radius:0 var(--radius) var(--radius) 0;padding:16px 20px;margin:22px 0;font-family:var(--font-serif);font-style:italic;font-size:1.06rem}
.callout p:last-child{margin:0}
.route{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:clamp(18px,3vw,38px);align-items:center}
.route.flip>.media{order:2}
/* doc layout */
.doc{display:grid;grid-template-columns:minmax(0,70ch) minmax(240px,300px);gap:clamp(24px,4vw,48px);justify-content:center;padding-top:clamp(24px,4vw,44px)}
.article{max-width:70ch;margin:0 auto;width:100%}
.article h2{margin-top:1.6em}
.article ul,.article ol{padding-left:1.2em}
.article li{margin-bottom:.4em}
.lead{font-size:1.12rem}
.side{display:flex;flex-direction:column;gap:16px}
.side ul{list-style:none;padding:0;margin:0}
.side li{border-top:1px solid var(--border-subtle);padding:8px 0}
.side li:first-child{border-top:0}
.tbl-wrap{overflow-x:auto;border:1px solid var(--border-subtle);border-radius:var(--radius);background:var(--bg-surface);margin:18px 0}
table{border-collapse:collapse;width:100%;min-width:540px;font-size:.93rem}
th,td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--border-subtle);vertical-align:top}
th{font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-primary)}
tr:last-child td{border-bottom:0}
/* form */
.form-grid{display:grid;gap:14px}
.form-grid .two{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(220px,100%),1fr));gap:14px}
label{display:block;font-weight:600;font-size:.92rem;margin-bottom:4px}
input,select,textarea{width:100%;font:inherit;color:inherit;background:#fff;padding:.7em .85em;border:1px solid var(--border-highlight);border-radius:10px}
textarea{min-height:150px;resize:vertical}
.err{color:#9f1239;font-size:.84rem;margin:4px 0 0;min-height:1.1em}
.preview{white-space:pre-wrap;font:.88rem/1.55 var(--font-mono);background:var(--bg-surface);border:1px dashed var(--border-highlight);border-radius:var(--radius);padding:16px;margin:16px 0 0;min-height:80px}
.status{font-size:.9rem;color:var(--accent-primary);min-height:1.3em;margin-top:8px}
/* footer */
.site-footer{margin-top:20px;border-top:1px solid var(--border-subtle);padding:28px clamp(12px,3vw,32px) 12px;font-size:.92rem}
.foot-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(220px,100%),1fr));gap:22px}
.foot-brand{font-family:var(--font-serif);font-weight:700;font-size:1.15rem;margin-bottom:.4em}
.legal-nav a{display:inline-block;margin:0 18px 6px 0;text-transform:uppercase;letter-spacing:.14em;font-size:.76rem;font-weight:600}
.legal-line{color:var(--text-muted);font-size:.8rem;margin:20px 0 0;border-top:1px solid var(--border-subtle);padding-top:12px}
/* reveal */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .8s var(--ease-kinetic),transform .8s var(--ease-kinetic)}
.js .reveal.in{opacity:1;transform:translateY(0)}
@keyframes slideDown{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:none}}
@media (min-width:1201px){.frame{padding:16px 0}}
@media (max-width:1200px) and (min-width:769px){.doc{grid-template-columns:minmax(0,1fr) 260px}}
@media (max-width:768px){
.menu-btn{display:inline-flex}
.primary-nav{display:none;position:absolute;left:clamp(12px,3vw,32px);right:clamp(12px,3vw,32px);top:100%;z-index:20;margin-top:8px;background:var(--bg-surface);border:1px solid var(--border-highlight);border-radius:var(--radius)}
.primary-nav.open{display:block;animation:slideDown .35s var(--ease-kinetic)}
.primary-nav ul{flex-direction:column;align-items:flex-start;padding:10px 20px}
.primary-nav li{width:100%;border-bottom:1px solid var(--border-subtle)}
.primary-nav li:last-child{border-bottom:0}
.primary-nav a{padding:10px 0}
.route,.doc{grid-template-columns:1fr}
.route.flip>.media{order:0}
.ref-head{display:none}
.ref-row{grid-template-columns:1fr;gap:3px}
}
@media (max-width:480px){body{padding:8px}.brand{font-size:1.08rem}.brand svg{width:28px;height:28px}.tab{flex:1 1 45%}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.js .reveal{opacity:1;transform:none}}