:root{--bg-canvas:#1e1612;--bg-surface:#30231b;--bg-surface-hover:#3a2b21;--bg-deep:#17110e;--text-primary:#f5ecdf;--text-muted:#cdbba6;--accent-primary:#f59e0b;--accent-secondary:#e8c891;--border-subtle:#4b382b;--ease-kinetic:cubic-bezier(0.16,1,0.3,1);--shadow-elevation:none;--glow-accent:none;--glass-backdrop:none;--serif:Georgia,"Times New Roman",serif;--sans:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
*,*::before,*::after{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
body{background:var(--bg-canvas);color:var(--text-primary);font:1.0625rem/1.68 var(--sans);overflow-wrap:anywhere;hyphens:auto}
h1,h2,h3,h4{font-family:var(--serif);font-weight:400;line-height:1.14;overflow-wrap:anywhere;hyphens:auto}
h2{font-size:clamp(1.7rem,3.4vw,2.5rem);margin-bottom:1rem}
h3{font-size:1.4rem;margin-bottom:.6rem}
p,li{color:var(--text-primary)}
img{display:block;max-width:100%;height:auto;border-radius:0}
a{color:var(--accent-primary);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px;transition:text-decoration-thickness .3s var(--ease-kinetic),color .3s}
a:hover{text-decoration-thickness:3px}
:focus-visible{outline:2px solid var(--accent-primary);outline-offset:3px}
.skip{position:absolute;left:-999px;top:0;background:var(--accent-primary);color:var(--bg-canvas);padding:.5rem 1rem;z-index:50}
.skip:focus{left:1rem}
.wrap{max-width:1200px;margin:0 auto;padding:0 1.25rem}
.prose{max-width:70ch;margin:0 auto}
.prose p,.prose ul,.prose ol{margin-bottom:1.15rem}
.prose ul,.prose ol{padding-left:1.3rem}
.prose li{margin-bottom:.4rem}
.prose h2{margin-top:2.8rem}
.prose h3{margin-top:1.8rem}
.muted{color:var(--text-muted)}
.kicker{font:600 .78rem/1.4 var(--sans);letter-spacing:.16em;text-transform:uppercase;color:var(--accent-secondary);margin-bottom:1rem}
/* Header */
.site-header{position:relative;padding:1.1rem 0;border-bottom:1px solid var(--border-subtle)}
.header-inner{max-width:1240px;margin:0 auto;padding:0 1.25rem 0 0;display:flex;align-items:center;justify-content:space-between;gap:1rem;position:relative}
.brand{display:inline-flex;align-items:center;gap:.65rem;margin-left:0;background:var(--bg-surface);border:1px solid var(--border-subtle);border-left:0;border-radius:0 999px 999px 0;padding:.55rem 1.5rem .55rem 1.25rem;color:var(--text-primary);text-decoration:none;font:1.12rem/1 var(--serif);white-space:nowrap;flex-shrink:0}
.brand:hover{border-color:var(--accent-primary)}
.brand-mark{width:2rem;height:2rem;display:grid;place-items:center;background:var(--accent-primary);color:var(--bg-canvas);font:700 .78rem/1 var(--sans);letter-spacing:.04em}
.site-nav ul{list-style:none;display:flex;flex-wrap:wrap;gap:.15rem;padding:0;justify-content:flex-end}
.site-nav a{position:relative;display:block;padding:.45rem .55rem;color:var(--text-muted);text-decoration:none;font-size:.9rem;white-space:nowrap}
.site-nav a::after{content:"";position:absolute;left:.55rem;bottom:.2rem;height:2px;width:0;background:var(--accent-primary);transition:width .4s var(--ease-kinetic)}
.site-nav a:hover,.site-nav a[aria-current="page"]{color:var(--text-primary)}
.site-nav a:hover::after,.site-nav a[aria-current="page"]::after{width:calc(100% - 1.1rem)}
.menu-btn{display:none;background:var(--bg-surface);border:1px solid var(--border-subtle);color:var(--text-primary);font-size:1.5rem;line-height:1;width:2.75rem;height:2.75rem;cursor:pointer;border-radius:0}
.menu-btn:hover{border-color:var(--accent-primary)}
/* Hero */
.hero{background:var(--bg-canvas);padding:5.5rem 0 4rem}
.hero h1{font-size:clamp(2.7rem,7.4vw,6rem);max-width:15ch;margin-bottom:1.6rem;letter-spacing:-.01em}
.hero .lede{font-size:1.2rem;max-width:58ch;color:var(--text-muted);margin-bottom:2rem}
.page-hero{padding:4.5rem 0 3rem}
.page-hero h1{font-size:clamp(2.3rem,5.6vw,4.4rem);max-width:18ch;margin-bottom:1.2rem}
.page-hero .lede{font-size:1.15rem;max-width:62ch;color:var(--text-muted)}
/* Buttons & links */
.btn-primary{display:inline-block;background:var(--accent-primary);color:var(--bg-canvas);padding:.95rem 1.7rem;font-weight:700;text-decoration:none;border:0;border-radius:0;transition:transform .35s var(--ease-kinetic),background .3s}
.btn-primary:hover{background:#fbb534;transform:translateY(-3px)}
.btn-line{display:inline-block;background:transparent;color:var(--text-primary);border:1px solid var(--border-subtle);padding:.75rem 1.2rem;font:600 .95rem var(--sans);cursor:pointer;border-radius:0;transition:border-color .3s,background .3s}
.btn-line:hover{border-color:var(--accent-primary);background:var(--bg-surface-hover)}
.text-link{position:relative;display:inline-block;text-decoration:none;font-weight:600;color:var(--accent-primary)}
.text-link::after{content:"";position:absolute;left:0;bottom:-3px;height:2px;width:28%;background:currentColor;transition:width .45s var(--ease-kinetic)}
.text-link:hover::after{width:100%}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:1.5rem}
/* Renders & figures */
.render-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1rem;padding-bottom:1rem}
figure{border:1px solid var(--border-subtle);background:var(--bg-surface)}
figure img{width:100%;object-fit:cover}
figcaption{padding:.7rem .9rem;font-size:.85rem;color:var(--text-muted)}
.r-11 img{aspect-ratio:1/1}
.r-43 img{aspect-ratio:4/3}
.r-169 img{aspect-ratio:16/9}
.figure-wide{margin:2rem 0}
/* Panels */
.section{padding:3.5rem 0}
.panel{background:var(--bg-surface);border:1px solid var(--border-subtle);padding:2rem;transition:border-color .3s,transform .45s var(--ease-kinetic),background .3s}
.panel:hover{border-color:var(--accent-primary);background:var(--bg-surface-hover)}
.panel p{margin-bottom:1rem}
.panel p:last-child{margin-bottom:0}
.lead-block{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:3rem;padding:3rem}
.lead-block h2{font-size:clamp(2rem,4.2vw,3.2rem)}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.5rem}
.grid-auto{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.25rem}
.span-2{grid-column:1/-1}
.panel-img{margin:-2rem -2rem 1.5rem;border:0;border-bottom:1px solid var(--border-subtle)}
/* Checklist */
.checklist{list-style:none;counter-reset:step;padding:0;margin:0}
.checklist li{counter-increment:step;display:grid;grid-template-columns:4.2rem 1fr;gap:1rem;padding:1.1rem 0;border-top:1px solid var(--border-subtle)}
.checklist li::before{content:counter(step,decimal-leading-zero);font:2.8rem/1 var(--serif);color:var(--accent-primary)}
.checklist strong{display:block;font:1.2rem/1.3 var(--serif);font-weight:400;margin-bottom:.2rem}
.checklist span{color:var(--text-muted);font-size:.97rem}
/* Roles */
.roles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--border-subtle);border:1px solid var(--border-subtle);margin:1.5rem 0}
.roles>div{background:var(--bg-canvas);padding:1.4rem}
.roles h3{font-size:1.15rem}
.roles p{color:var(--text-muted);font-size:.95rem;margin:0}
.tag{display:inline-block;font:600 .72rem/1 var(--sans);letter-spacing:.1em;text-transform:uppercase;color:var(--bg-canvas);background:var(--accent-secondary);padding:.35rem .5rem;margin-bottom:.7rem}
/* Signal chain */
.chain{list-style:none;display:flex;flex-wrap:wrap;gap:1.3rem;padding:0;margin:1.5rem 0}
.chain li{flex:1 1 130px;border:1px solid var(--border-subtle);background:var(--bg-canvas);padding:1rem;position:relative}
.chain li strong{display:block;font:1.1rem var(--serif);font-weight:400;color:var(--accent-primary)}
.chain li span{font-size:.88rem;color:var(--text-muted)}
.chain li:not(:last-child)::after{content:"→";position:absolute;right:-1.1rem;top:50%;transform:translateY(-50%);color:var(--accent-primary);font-weight:700}
/* Tables */
.table-wrap{overflow-x:auto;margin:1.5rem 0}
table{width:100%;border-collapse:collapse;min-width:560px;font-size:.95rem}
th,td{border:1px solid var(--border-subtle);padding:.75rem .85rem;text-align:left;vertical-align:top}
th{background:var(--bg-surface);font:400 1.02rem var(--serif)}
td{background:var(--bg-canvas)}
/* FAQ */
details{border:1px solid var(--border-subtle);background:var(--bg-surface);margin-bottom:.75rem}
summary{padding:1.05rem 1.3rem;cursor:pointer;font:1.15rem/1.35 var(--serif);list-style-position:outside}
summary:hover{color:var(--accent-primary)}
details p{padding:0 1.3rem 1.3rem;color:var(--text-muted)}
details[open]{border-color:var(--accent-primary)}
/* Forms */
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}
label{display:block;font-size:.9rem;color:var(--text-muted);margin-bottom:.35rem}
input,select,textarea{width:100%;background:var(--bg-canvas);color:var(--text-primary);border:1px solid var(--border-subtle);border-radius:0;padding:.75rem;font:1rem var(--sans)}
input:focus,select:focus,textarea:focus{border-color:var(--accent-primary);outline:none}
textarea{min-height:8rem;resize:vertical}
.form-actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.2rem}
.status{min-height:1.5rem;margin-top:.8rem;color:var(--accent-secondary);font-size:.95rem}
#msg-preview{min-height:14rem;font:0.9rem/1.5 ui-monospace,Menlo,Consolas,monospace}
/* Footer */
.site-footer{margin-top:5rem;border-top:1px solid var(--border-subtle);background:var(--bg-deep);padding:3rem 0 2rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1.2fr .8fr;gap:2rem}
.footer-grid p{color:var(--text-muted);font-size:.93rem;margin-bottom:.7rem}
.footer-brand{font:1.3rem var(--serif)}
.footer-grid ul{list-style:none;padding:0}
.footer-grid li{margin-bottom:.45rem}
.copy{max-width:1200px;margin:2rem auto 0;padding:1.2rem 1.25rem 0;border-top:1px solid var(--border-subtle);color:var(--text-muted);font-size:.85rem}
/* Reveal */
.js .reveal{opacity:0;transform:translateY(26px)}
.js .reveal.reveal-visible{opacity:1;transform:translateY(0);transition:opacity .7s var(--ease-kinetic),transform .7s var(--ease-kinetic)}
@keyframes slideDown{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}.js .reveal{opacity:1;transform:none}}
/* Breakpoints */
@media (min-width:1025px){.site-nav a{font-size:.92rem}}
@media (max-width:1024px){.lead-block{grid-template-columns:1fr;gap:2rem}.render-strip{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:767px){
.menu-btn{display:block}
.site-nav{display:none;position:absolute;top:calc(100% + 1.1rem);left:0;right:0;background:var(--bg-surface);border-top:1px solid var(--accent-primary);border-bottom:1px solid var(--border-subtle);z-index:30;padding:.75rem 1.25rem 1rem}
.site-nav.open{display:block;animation:slideDown .35s var(--ease-kinetic)}
.site-nav ul{flex-direction:column;gap:0}
.site-nav a{font-size:1.05rem;padding:.8rem 0;border-bottom:1px solid var(--border-subtle)}
.site-nav a::after{left:0;bottom:-1px}
.site-nav a:hover::after,.site-nav a[aria-current="page"]::after{width:3rem}
.grid-2,.roles,.form-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
.hero{padding:3.5rem 0 3rem}
.lead-block,.panel{padding:1.5rem}
.panel-img{margin:-1.5rem -1.5rem 1.25rem}
.chain{flex-direction:column}
.chain li:not(:last-child)::after{content:"↓";right:auto;left:1rem;top:auto;bottom:-1.25rem;transform:none}
}
@media (max-width:480px){body{font-size:1rem}.render-strip{grid-template-columns:1fr 1fr;gap:.6rem}.checklist li{grid-template-columns:3rem 1fr}.checklist li::before{font-size:2rem}.brand{font-size:1rem;padding:.5rem 1.1rem .5rem 1rem}}