:root{
  --bg:#06131d;
  --bg2:#091a27;
  --panel:#0b1d2a;
  --panel2:#102534;
  --ink:#eef4f8;
  --muted:#a9bbc8;
  --gold:#f0ca72;
  --gold2:#ffe6a6;
  --blue:#7eb8e8;
  --line:rgba(240,202,114,.32);
  --safe:#b8dfcf;
  --warn:#e9c589;
  --max:1120px;
  --serif: Georgia, 'Times New Roman', serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg)}
body{margin:0;background:
  radial-gradient(900px 520px at 50% -120px,rgba(74,135,182,.16),transparent 70%),
  linear-gradient(180deg,var(--bg),#04101a 60%,#030c13);color:var(--ink);font-family:var(--sans);line-height:1.65}
a{color:var(--gold2);text-underline-offset:3px}
a:hover{color:white}
.skip{position:absolute;left:-9999px;top:auto}.skip:focus{left:16px;top:16px;z-index:999;background:white;color:black;padding:10px 14px;border-radius:8px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(4,16,26,.88);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{max-width:var(--max);margin:auto;padding:12px 20px;display:flex;align-items:center;gap:18px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-family:var(--serif);letter-spacing:.08em;text-transform:uppercase;font-size:.95rem;white-space:nowrap}
.brand-mark{width:28px;height:35px;border:1px solid var(--gold);border-radius:5px 5px 9px 9px;position:relative;box-shadow:0 0 18px rgba(240,202,114,.18)}
.brand-mark:before{content:'';position:absolute;left:8px;right:8px;top:7px;bottom:7px;background:radial-gradient(circle,var(--gold2),var(--gold) 42%,transparent 68%);filter:blur(.2px)}
.brand-mark:after{content:'';position:absolute;width:10px;height:5px;border:1px solid var(--gold);border-bottom:0;border-radius:9px 9px 0 0;left:8px;top:-6px}
.nav-links{margin-left:auto;display:flex;gap:18px;align-items:center;font-size:.9rem}.nav-links a{text-decoration:none;color:var(--muted)}.nav-links a[aria-current="page"],.nav-links a:hover{color:var(--gold2)}
.menu-btn{display:none;margin-left:auto;background:transparent;color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:8px 10px}
.wrap{max-width:var(--max);margin:auto;padding:0 20px}
.hero{min-height:78vh;display:grid;place-items:center;text-align:center;padding:84px 0 70px;position:relative;overflow:hidden}
.hero:before{content:'';position:absolute;width:460px;height:460px;border:1px solid rgba(126,184,232,.11);border-radius:50%;box-shadow:0 0 90px rgba(126,184,232,.08);top:10%;left:50%;transform:translateX(-50%)}
.eyebrow{text-transform:uppercase;letter-spacing:.22em;color:var(--blue);font-weight:650;font-size:.78rem}
h1,h2,h3{line-height:1.15}.hero h1{font-family:var(--serif);font-weight:400;letter-spacing:.08em;text-transform:uppercase;font-size:clamp(2.6rem,7vw,6.4rem);margin:.18em 0;color:var(--gold2);text-shadow:0 0 30px rgba(240,202,114,.14)}
.hero .signal{font-family:var(--serif);font-size:clamp(1.35rem,2.7vw,2.35rem);font-weight:400;margin:.3em 0 1em;color:var(--ink)}
.lede{font-size:clamp(1.05rem,2vw,1.3rem);color:var(--muted);max-width:760px;margin:0 auto 1.6rem}
.actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;padding:11px 16px;border-radius:999px;border:1px solid var(--gold);text-decoration:none;font-weight:700;letter-spacing:.02em}.btn.primary{background:var(--gold);color:#13202a}.btn.secondary{color:var(--gold2);background:rgba(240,202,114,.04)}
.rule{height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent);margin:0}
.section{padding:76px 0}.section h2{font-family:var(--serif);font-size:clamp(2rem,4vw,3.6rem);font-weight:400;margin:.1em 0 .5em;color:var(--gold2)}.section h3{font-size:1.15rem;margin:0 0 .5em}.section-intro{font-size:1.15rem;color:var(--muted);max-width:800px}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px;margin-top:30px}.card{grid-column:span 4;background:linear-gradient(180deg,rgba(255,255,255,.025),transparent),var(--panel);border:1px solid rgba(240,202,114,.18);border-radius:16px;padding:22px;min-height:190px}.card.wide{grid-column:span 6}.card.full{grid-column:1/-1}.card p{color:var(--muted)}
.kicker{color:var(--blue);text-transform:uppercase;letter-spacing:.15em;font-size:.78rem;font-weight:700}
.quote{font-family:var(--serif);font-size:clamp(1.5rem,3vw,2.4rem);line-height:1.35;color:var(--gold2);max-width:930px}
.protocol{display:grid;grid-template-columns:repeat(7,1fr);gap:8px;margin:28px 0}.step{border:1px solid var(--line);background:rgba(240,202,114,.035);border-radius:12px;padding:14px 10px;text-align:center;font-weight:800;font-size:.82rem;letter-spacing:.06em}.step span{display:block;color:var(--muted);font-weight:500;letter-spacing:0;font-size:.72rem;margin-top:4px}
.notice{border-left:3px solid var(--blue);background:rgba(126,184,232,.06);padding:16px 18px;border-radius:0 12px 12px 0;color:var(--muted)}
.safety{border-left-color:var(--safe)}
.warning{border-left-color:var(--warn)}
pre,code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}pre{overflow:auto;background:#03101a;border:1px solid rgba(126,184,232,.18);padding:18px;border-radius:12px;color:#d9edf9}
table{width:100%;border-collapse:collapse;margin:24px 0;font-size:.95rem}th,td{text-align:left;vertical-align:top;padding:12px;border-bottom:1px solid rgba(255,255,255,.1)}th{color:var(--gold2)}td{color:var(--muted)}
.page-head{padding:72px 0 32px}.page-head h1{font-family:var(--serif);font-size:clamp(2.5rem,6vw,5.3rem);font-weight:400;color:var(--gold2);margin:.08em 0}.page-head p{font-size:1.15rem;color:var(--muted);max-width:820px}
.doc{max-width:900px}.doc h2{font-family:var(--serif);font-weight:400;color:var(--gold2);font-size:2rem;margin-top:2em}.doc h3{color:var(--ink);margin-top:1.8em}.doc p,.doc li{color:#cad7e0}.doc strong{color:var(--ink)}
.version{display:inline-block;border:1px solid var(--line);border-radius:999px;padding:5px 10px;font-size:.8rem;color:var(--muted)}
.beacon-box{background:radial-gradient(circle at 50% 0,rgba(126,184,232,.12),transparent 55%),#04111b;border:1px solid var(--gold);border-radius:18px;padding:30px;box-shadow:0 0 55px rgba(240,202,114,.06)}.beacon-box h2{margin-top:0}
.simulator{display:grid;gap:12px}.simulator label{font-weight:700}.simulator textarea,.simulator select{width:100%;background:#06131d;border:1px solid rgba(255,255,255,.16);color:var(--ink);padding:12px;border-radius:10px}.sim-output{min-height:120px;background:#020b11;border:1px solid rgba(240,202,114,.2);border-radius:10px;padding:16px;color:#d9e7ee}
.ref-list li{margin-bottom:.8em}.small{font-size:.88rem;color:var(--muted)}
footer{border-top:1px solid var(--line);margin-top:70px;padding:34px 0 50px;color:var(--muted);font-size:.88rem}.footer-grid{display:flex;gap:18px;justify-content:space-between;flex-wrap:wrap}.footer-mark{font-family:var(--serif);color:var(--gold2);letter-spacing:.08em;text-transform:uppercase}
.archive-image{width:100%;border:1px solid var(--line);border-radius:14px;display:block;margin:24px 0}
.intro-overlay{position:fixed;inset:0;background:#000;z-index:500;display:none;align-items:center;justify-content:center}.intro-overlay.active{display:flex}.intro-overlay video{width:100%;height:100%;object-fit:cover}.intro-skip{position:absolute;right:20px;top:20px;z-index:2;background:rgba(0,0,0,.6);color:white;border:1px solid rgba(255,255,255,.5);border-radius:999px;padding:9px 13px}.intro-label{position:absolute;left:50%;bottom:8%;transform:translateX(-50%);text-align:center;color:white;text-shadow:0 2px 10px #000}.intro-label strong{display:block;font-family:var(--serif);font-size:1.3rem;letter-spacing:.12em;text-transform:uppercase}
@media(max-width:900px){.card,.card.wide{grid-column:span 6}.protocol{grid-template-columns:repeat(2,1fr)}.protocol .step:last-child{grid-column:1/-1}.nav-links{display:none;position:absolute;left:0;right:0;top:61px;background:#06131df5;border-bottom:1px solid var(--line);padding:18px 20px;flex-direction:column;align-items:flex-start}.nav-links.open{display:flex}.menu-btn{display:block}}
@media(max-width:620px){.card,.card.wide{grid-column:1/-1}.hero{min-height:72vh;padding-top:70px}.section{padding:56px 0}.page-head{padding-top:54px}.brand{font-size:.82rem}.protocol{grid-template-columns:1fr}.protocol .step:last-child{grid-column:auto}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.intro-overlay{display:none!important}}