:root{
  --bg:#0b1020; --panel:#121a31; --panel2:#17213d; --text:#eef3ff; --muted:#b8c4db;
  --line:rgba(255,255,255,.13); --accent:#7dd3fc; --accent2:#a78bfa; --paper:#ffffff;
  --ink:#182033; --soft:#f5f7fb; --link:#1359d8; --warn:#fff8eb; --ok:#eefbf3;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;background:var(--soft);color:var(--ink);line-height:1.65}
a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
.container{width:min(1160px,92vw);margin:0 auto}
.skip-link{position:absolute;left:-999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip-link:focus{left:1rem;top:1rem;width:auto;height:auto;background:#fff;color:#000;padding:.5rem 1rem;z-index:9999}
.site-header{background:rgba(11,16,32,.97);color:var(--text);position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line);backdrop-filter:blur(8px)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1.2rem;min-height:76px}
.brand{display:flex;align-items:center;gap:.75rem;color:var(--text);min-width:max-content}
.brand:hover{text-decoration:none}
.brand img{display:block;flex:0 0 auto}
.brand small{display:block;color:var(--muted);font-size:.78rem;margin-top:-.15rem}
.nav{display:flex;gap:.72rem;align-items:center;flex-wrap:wrap;justify-content:flex-end;font-size:.88rem}
.nav a{color:var(--muted);white-space:nowrap}
.nav a:hover{color:#fff}
.language-pill{border:1px solid var(--line);border-radius:999px;padding:.28rem .7rem;color:#fff!important}
.hero{background:
  radial-gradient(circle at 15% 10%, rgba(125,211,252,.24), transparent 30%),
  radial-gradient(circle at 85% 20%, rgba(167,139,250,.25), transparent 34%),
  linear-gradient(135deg,#0b1020,#18213f 68%,#0b1020);
color:var(--text);padding:74px 0 62px;border-bottom:1px solid var(--line)}
.hero h1{font-size:clamp(2.15rem,5.5vw,4.9rem);line-height:1.02;margin:.35rem 0;letter-spacing:-.055em;max-width:1050px}
.subtitle{font-size:clamp(1.05rem,2.25vw,1.42rem);max-width:930px;color:var(--muted)}
.eyebrow{text-transform:uppercase;letter-spacing:.16em;color:var(--accent);font-weight:700;font-size:.78rem}
.content-section{padding:54px 0}
.prose{font-size:1.03rem}
.prose h2{font-size:clamp(1.58rem,3vw,2.38rem);line-height:1.12;margin:0 0 1rem;letter-spacing:-.03em}
.prose h3{font-size:1.23rem;margin-top:1.55rem}
.prose p{margin:0 0 1rem}
.prose ul,.prose ol{padding-left:1.4rem}
.prose li{margin:.35rem 0}
.lead{font-size:1.18rem;color:#33415c}
.grid-two{display:grid;grid-template-columns:1fr 1fr;gap:2rem;align-items:start}
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;margin:1.6rem 0}
.card{background:#fff;border:1px solid #e6eaf2;border-radius:18px;padding:1.22rem;box-shadow:0 8px 28px rgba(18,26,49,.06)}
.card h3{margin:.1rem 0 .55rem;font-size:1.08rem}
.callout{border-left:5px solid var(--accent);background:#fff;border-radius:14px;padding:1.15rem 1.25rem;margin:1.25rem 0;box-shadow:0 8px 28px rgba(18,26,49,.06)}
.callout.warning{border-color:#f59e0b;background:var(--warn)}
.callout.ethics{border-color:#10b981;background:var(--ok)}
.callout.technical{border-color:#6366f1;background:#f2f3ff}
.diagram{background:#0b1020;color:var(--text);border-radius:22px;padding:1.4rem;overflow:auto;border:1px solid rgba(255,255,255,.1)}
.diagram pre{margin:0;font-size:.94rem;line-height:1.45}
.table-wrap{overflow:auto;background:#fff;border:1px solid #e6eaf2;border-radius:18px}
table{border-collapse:collapse;width:100%;min-width:760px}
th,td{padding:.85rem 1rem;border-bottom:1px solid #e6eaf2;text-align:left;vertical-align:top}
th{background:#f7f9fe}
.button-row{display:flex;gap:.8rem;flex-wrap:wrap;margin:1.4rem 0}
.btn{display:inline-flex;align-items:center;gap:.4rem;padding:.78rem 1rem;border-radius:999px;background:#17213d;color:#fff;font-weight:700}
.btn:hover{text-decoration:none;background:#263352}
.btn.secondary{background:#fff;color:#17213d;border:1px solid #dbe3f1}
.btn.secondary:hover{background:#f7f9fe}
.rfc-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}
.rfc-meta{background:#fff;border:1px solid #e6eaf2;border-radius:18px;padding:1rem;margin-bottom:1rem}
.rfc-text{background:#fff;border:1px solid #e6eaf2;border-radius:18px;padding:1.25rem}
.rfc-text pre{white-space:pre-wrap;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.91rem;line-height:1.55;margin:0}
.badge{display:inline-block;border:1px solid #dbe3f1;border-radius:999px;padding:.18rem .55rem;font-size:.78rem;background:#fff;margin:.15rem}
.site-footer{background:#0b1020;color:var(--muted);padding:36px 0;margin-top:30px}
.site-footer strong{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.2fr 2fr 1fr;gap:1.2rem}
@media(max-width:1120px){.nav{font-size:.82rem;gap:.58rem}.header-inner{align-items:flex-start;flex-direction:column;padding:1rem 0}}
@media(max-width:880px){.cards,.grid-two,.footer-grid,.rfc-list{grid-template-columns:1fr}.hero{padding:52px 0}table{min-width:640px}}
@media print{.site-header,.site-footer,.button-row{display:none}body{background:#fff}.hero{background:#fff;color:#000;padding:0}.content-section{padding:0}a{color:#000;text-decoration:underline}}


/* Collaboration forms */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.form-row{margin:0 0 1rem}
label{display:block;font-weight:700;margin:0 0 .35rem;color:#182033}
input[type="text"],input[type="email"],select,textarea{
  width:100%;border:1px solid #dbe3f1;border-radius:14px;padding:.82rem .9rem;
  font:inherit;background:#fff;color:#182033;outline:none
}
input[type="text"]:focus,input[type="email"]:focus,select:focus,textarea:focus{
  border-color:#7dd3fc;box-shadow:0 0 0 4px rgba(125,211,252,.18)
}
textarea{min-height:190px;resize:vertical}
.form-note{font-size:.92rem;color:#53617a}
.checkbox-line{display:flex;gap:.55rem;align-items:flex-start}
.checkbox-line input{margin-top:.35rem}
.hidden-field{position:absolute;left:-10000px;top:auto;width:1px;height:1px;overflow:hidden}
.success-box{border-left:5px solid #10b981;background:#eefbf3;border-radius:14px;padding:1.15rem 1.25rem;margin:1.25rem 0}
.error-box{border-left:5px solid #ef4444;background:#fff1f2;border-radius:14px;padding:1.15rem 1.25rem;margin:1.25rem 0}
@media(max-width:880px){.form-grid{grid-template-columns:1fr}}


/* Public collaboration board */
.board-toolbar{display:flex;gap:.75rem;flex-wrap:wrap;align-items:center;margin:1rem 0 1.5rem}
.board-item{background:#fff;border:1px solid #e6eaf2;border-radius:18px;padding:1.15rem;margin:1rem 0;box-shadow:0 8px 28px rgba(18,26,49,.06)}
.board-item h3{margin:.1rem 0 .35rem}
.board-meta{display:flex;gap:.45rem;flex-wrap:wrap;color:#53617a;font-size:.9rem;margin:.35rem 0 .7rem}
.board-message{white-space:pre-wrap}
.status-open{border-color:#7dd3fc;background:#eef8ff}
.status-discussion{border-color:#f59e0b;background:#fff8eb}
.status-candidate{border-color:#a78bfa;background:#f5f3ff}
.status-incorporated{border-color:#10b981;background:#eefbf3}
.status-deferred{border-color:#94a3b8;background:#f8fafc}
.pill{display:inline-flex;border:1px solid #dbe3f1;border-radius:999px;padding:.16rem .55rem;background:#fff;font-size:.8rem;color:#33415c}
.pill.status{font-weight:700}
.notice-small{font-size:.92rem;color:#53617a}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.form-row{margin:0 0 1rem}
label{display:block;font-weight:700;margin:0 0 .35rem;color:#182033}
input[type="text"],input[type="email"],select,textarea{
  width:100%;border:1px solid #dbe3f1;border-radius:14px;padding:.82rem .9rem;
  font:inherit;background:#fff;color:#182033;outline:none
}
input[type="text"]:focus,input[type="email"]:focus,select:focus,textarea:focus{
  border-color:#7dd3fc;box-shadow:0 0 0 4px rgba(125,211,252,.18)
}
textarea{min-height:190px;resize:vertical}
.form-note{font-size:.92rem;color:#53617a}
.checkbox-line{display:flex;gap:.55rem;align-items:flex-start}
.checkbox-line input{margin-top:.35rem}
.hidden-field{position:absolute;left:-10000px;top:auto;width:1px;height:1px;overflow:hidden}
.success-box{border-left:5px solid #10b981;background:#eefbf3;border-radius:14px;padding:1.15rem 1.25rem;margin:1.25rem 0}
.error-box{border-left:5px solid #ef4444;background:#fff1f2;border-radius:14px;padding:1.15rem 1.25rem;margin:1.25rem 0}
.comment-box{background:#fff;border:1px solid #e6eaf2;border-radius:16px;padding:1rem;margin:.85rem 0}
@media(max-width:880px){.form-grid{grid-template-columns:1fr}}


/* Collaboration layout improvements v8 */
.board-section-card{background:#fff;border:1px solid #e6eaf2;border-radius:22px;padding:1.4rem 1.4rem 1.2rem;box-shadow:0 10px 30px rgba(18,26,49,.06)}
.form-shell{background:#fff;border:1px solid #e6eaf2;border-radius:22px;padding:1.4rem;box-shadow:0 10px 30px rgba(18,26,49,.06)}
.form-shell h2{margin-top:0}
.field-span-2{grid-column:1 / -1}
.form-help{font-size:.92rem;color:#53617a;margin-top:-.2rem}
.hidden-field{display:none !important;visibility:hidden !important}
select,input[type="text"],input[type="email"],textarea{display:block}
.checkbox-card{background:#f8fbff;border:1px solid #dbe7f5;border-radius:16px;padding:1rem 1rem .9rem;margin:1rem 0 1.2rem}
.checkbox-card .checkbox-line{margin:0}
.comment-form-shell{background:#fff;border:1px solid #e6eaf2;border-radius:22px;padding:1.25rem;box-shadow:0 10px 30px rgba(18,26,49,.05)}
.board-item .board-message{margin-top:.4rem}