/* ===========================================================
   Demo Test — design system (placeholder brand)
   Direction: dark, technical, editorial · static
   Self-hosted fonts · zero external requests
   =========================================================== */
@font-face{font-family:"SG";src:url("fonts/sg-400.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"SG";src:url("fonts/sg-500.woff2") format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"SG";src:url("fonts/sg-600.woff2") format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"SG";src:url("fonts/sg-700.woff2") format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"Plex";src:url("fonts/sans-400.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Plex";src:url("fonts/sans-500.woff2") format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"PlexMono";src:url("fonts/mono-400.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"PlexMono";src:url("fonts/mono-500.woff2") format("woff2");font-weight:500;font-display:swap}

:root{
  --void:#09090B;--void-1:#0A0A0C;--void-2:#0C0C0F;--raise:#101014;
  --line:#1A1A1F;--line-2:#222228;
  --ink:#E9EAEE;--mute:#8C8F99;--faint:#7E8290;
  --gold:#C6A45C;--gold-dim:#8E7740;--bord:#C24A5A;--red:#E0556A;
  --grid:rgba(198,164,92,.03);
  --disp:"SG","Plex",system-ui,sans-serif;
  --sans:"Plex","SG",system-ui,sans-serif;
  --mono:"PlexMono",ui-monospace,monospace;
  --edge:clamp(20px,6vw,120px);--max:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--void);color:var(--ink);font-family:var(--sans);font-weight:400;line-height:1.62;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
::selection{background:rgba(198,164,92,.22);color:#fff}
a{color:inherit;text-decoration:none}
body::before{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(120% 80% at 50% 120%, rgba(194,74,90,.04), transparent 55%)}
.wrap{position:relative;z-index:2}

/* ===== HEADER — full width; slogan beside the logo ===== */
header{position:sticky;top:0;z-index:40;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:16px var(--edge);background:linear-gradient(180deg,rgba(9,9,11,.94),rgba(9,9,11,0));
  backdrop-filter:blur(7px);-webkit-backdrop-filter:blur(7px)}
.brand-group{display:flex;align-items:center;gap:18px;min-width:0}
.brand{font-family:var(--disp);font-weight:600;font-size:18px;letter-spacing:.34em;color:var(--ink);
  display:flex;align-items:center;gap:12px;padding-left:.34em;white-space:nowrap}
.brand .dot{width:5px;height:5px;background:var(--gold);border-radius:50%;box-shadow:0 0 10px rgba(198,164,92,.7)}
.slogan{font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--gold);
  border-left:1px solid var(--line-2);padding-left:18px;white-space:nowrap}
.slogan b{color:var(--mute);font-weight:400}
nav{display:flex;align-items:center;gap:clamp(16px,2.2vw,30px)}
.navlinks{display:flex;align-items:center;gap:clamp(16px,2.2vw,30px)}
.navlinks a{font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--mute);
  position:relative;padding:4px 0;transition:color .25s}
.navlinks a:hover{color:var(--ink)}
.navlinks a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--gold);transition:width .3s}
.navlinks a:hover::after{width:100%}
.cta-nav{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);
  border:1px solid rgba(198,164,92,.4);padding:9px 16px;cursor:pointer;background:transparent;
  display:inline-flex;align-items:center;gap:9px;transition:background .25s,border-color .25s}
.cta-nav::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);box-shadow:0 0 8px rgba(198,164,92,.8);animation:pulse 2.6s ease-in-out infinite}
.cta-nav:hover{background:rgba(198,164,92,.1);border-color:var(--gold)}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
@media(max-width:900px){.slogan{display:none}}
@media(max-width:760px){.navlinks{display:none}}

/* ===== HERO ===== */
.hero{position:relative;min-height:92vh;display:flex;flex-direction:column;justify-content:center;align-items:center;
  text-align:center;padding:16vh var(--edge) 12vh;overflow:hidden}
.scope-bg{position:absolute;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.scope-bg .grid{position:absolute;inset:0;background-image:
  linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(ellipse 95% 75% at 50% 48%,#000,rgba(0,0,0,.3) 60%,transparent 100%);
          mask-image:radial-gradient(ellipse 95% 75% at 50% 48%,#000,rgba(0,0,0,.3) 60%,transparent 100%)}
.scope-bg .axis{position:absolute;left:0;right:0;top:50%;height:1px;background:linear-gradient(90deg,transparent,var(--line),var(--line),transparent)}
.scope-bg svg.rings{position:absolute;inset:0;width:100%;height:100%;display:block}
.rings .src circle{fill:none;stroke:var(--gold);stroke-width:1;vector-effect:non-scaling-stroke;
  transform-box:fill-box;transform-origin:center;opacity:0;animation:ring 14s linear infinite}
.rings .s2 circle{animation-duration:17s}
.rings .s3 circle{animation-duration:15.5s}
.rings .s4 circle{stroke:var(--bord);animation-duration:19s}
.rings .s4{opacity:.65}
@keyframes ring{0%{transform:scale(.05);opacity:0}12%{opacity:.22}60%{opacity:.09}100%{transform:scale(1);opacity:0}}
.rings .mark{animation:markpulse 7s ease-in-out infinite}
.rings .mark path{fill:none;stroke:var(--gold);stroke-width:1;vector-effect:non-scaling-stroke}
.rings .mark circle{fill:var(--gold);stroke:none}
@keyframes markpulse{0%,100%{opacity:.2}50%{opacity:.48}}
.scope-veil{position:absolute;inset:0;z-index:1;pointer-events:none;
  background:radial-gradient(ellipse 60% 52% at 50% 50%, rgba(9,9,11,.78) 0%, rgba(9,9,11,.42) 48%, transparent 84%)}
.hero-content{position:relative;z-index:2;max-width:940px}
.eyebrow{display:inline-flex;align-items:center;gap:13px;font-family:var(--mono);font-size:11px;letter-spacing:.24em;
  text-transform:uppercase;color:var(--mute);margin-bottom:clamp(26px,4vh,42px)}
.eyebrow .dot{width:5px;height:5px;background:var(--gold);border-radius:50%;box-shadow:0 0 10px rgba(198,164,92,.7)}
.hero-h{font-family:var(--disp);font-weight:500;font-size:clamp(2.2rem,5.6vw,4.8rem);line-height:1.08;
  letter-spacing:-.02em;color:var(--ink);max-width:20ch;margin:0 auto}
.hero-h em{font-style:normal;color:var(--gold)}
.hero-sub{margin:clamp(26px,4vh,42px) auto 0;font-family:var(--sans);font-size:clamp(1.02rem,1.5vw,1.22rem);
  line-height:1.7;color:var(--mute);max-width:52ch}
.hero-sub b{color:var(--ink);font-weight:500}

/* ===== PRINCIPLES ===== */
.principles{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);position:relative;z-index:2}
.pr{padding:clamp(46px,5.5vw,76px) 22px;border-right:1px solid var(--line);display:flex;flex-direction:column;align-items:center;
  text-align:center;gap:16px;transition:background .3s,transform .3s}
.pr:last-child{border-right:none}
.pr:hover{background:rgba(198,164,92,.05);transform:translateY(-3px)}
.pr .sym{width:42px;height:42px;display:block;overflow:visible;opacity:.5;transition:opacity .3s}
.pr:hover .sym{opacity:1}
.pr .n{font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--gold-dim)}
.pr .t{font-family:var(--disp);font-weight:500;font-size:clamp(1.06rem,1.5vw,1.3rem);color:var(--ink);letter-spacing:0}
.sym *{fill:none;stroke:var(--gold);stroke-width:1.4;vector-effect:non-scaling-stroke}
.sym .fil{fill:var(--gold);stroke:none}
.sym .hide{opacity:0;transition:opacity .4s}
.sym .col{transition:transform .5s cubic-bezier(.7,0,.3,1);transform-box:view-box;transform-origin:24px 24px}
.sym .ap{transition:transform .5s cubic-bezier(.7,0,.3,1);transform-box:view-box;transform-origin:24px 24px}
.pr:hover .sym .col{transform:scaleY(.04)}
.pr:hover .sym .hide{opacity:1}
.pr:hover .sym .ap{transform:scale(.6)}
.pr:hover .sym .wv{opacity:0;transition:opacity .4s}
@media(max-width:880px){.principles{grid-template-columns:repeat(2,1fr)}
  .pr:nth-child(2){border-right:none}.pr:nth-child(1),.pr:nth-child(2){border-bottom:1px solid var(--line)}}
@media(max-width:520px){.principles{grid-template-columns:1fr}.pr{border-right:none;border-bottom:1px solid var(--line)}.pr:last-child{border-bottom:none}}

/* ===== SECTIONS ===== */
.block{max-width:var(--max);margin:0 auto;padding:clamp(96px,17vh,210px) var(--edge);text-align:center;position:relative;z-index:2}
.block-head{display:flex;justify-content:center;align-items:baseline;gap:16px;margin-bottom:clamp(36px,6vh,60px)}
.idx-n{font-family:var(--mono);font-size:11px;letter-spacing:.22em;color:var(--gold-dim)}
.label{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--faint)}
.stmt{font-family:var(--disp);font-weight:500;font-size:clamp(1.5rem,3.2vw,2.5rem);line-height:1.22;letter-spacing:-.015em;color:var(--ink);max-width:26ch;margin:0 auto}
.stmt em{font-style:normal;color:var(--gold)}
.body-c{max-width:64ch;margin:clamp(28px,4vh,44px) auto 0;color:var(--mute);font-size:clamp(1rem,1.2vw,1.12rem);line-height:1.8}
.body-c p{margin-bottom:1.05em}.body-c p:last-child{margin-bottom:0}.body-c b,.body-c strong{color:var(--ink);font-weight:500}
.cred{margin-top:clamp(28px,4vh,40px);font-family:var(--sans);font-style:italic;color:var(--faint);font-size:1.04rem}
.divider{height:1px;max-width:var(--max);margin:0 auto;background:linear-gradient(90deg,transparent,var(--line-2) 12%,var(--line-2) 88%,transparent)}

/* ===== CONTACT — layered wave background + big title ===== */
.contact-block{overflow:hidden}
.dna-bg{position:absolute;inset:0;z-index:0;pointer-events:none;display:flex;align-items:center;justify-content:center;
  -webkit-mask-image:radial-gradient(ellipse 90% 80% at 50% 42%,#000,transparent 100%);mask-image:radial-gradient(ellipse 90% 80% at 50% 42%,#000,transparent 100%)}
.dna-bg svg{width:140%;height:300px;opacity:.5}
.dna-w{fill:none;stroke-width:1.3;vector-effect:non-scaling-stroke}
.dw1{stroke:var(--gold);animation:drift 12s ease-in-out infinite}
.dw2{stroke:var(--gold-dim);opacity:.7;animation:drift 15s ease-in-out infinite reverse}
.dw3{stroke:var(--bord);opacity:.5;animation:drift 19s ease-in-out infinite}
@keyframes drift{0%,100%{transform:translateX(0)}50%{transform:translateX(-44px)}}
.superp{position:relative;z-index:2;padding-bottom:clamp(60px,9vh,120px)}
.superp .stitle{font-family:var(--disp);font-weight:600;font-size:clamp(2.4rem,6vw,4.6rem);line-height:1.04;letter-spacing:-.02em;color:var(--ink)}
.superp .ssub{margin-top:18px;font-family:var(--mono);font-size:12px;letter-spacing:.28em;text-transform:uppercase;color:var(--gold)}
.contact-inner{position:relative;z-index:2}

.key-card{margin:0 auto;border:1px solid var(--line-2);background:linear-gradient(180deg,var(--raise),var(--void-2));max-width:780px;position:relative;text-align:left}
.key-card::before{content:"";position:absolute;top:0;left:0;width:3px;height:100%;background:linear-gradient(180deg,var(--gold),transparent)}
.key-top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 26px;border-bottom:1px solid var(--line)}
.key-label{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--gold);text-transform:uppercase}
.key-status{font-family:var(--mono);font-size:10px;letter-spacing:.16em;color:var(--faint);text-transform:uppercase;display:flex;align-items:center;gap:8px}
.key-status .ping{width:6px;height:6px;border-radius:50%;background:var(--gold);box-shadow:0 0 8px rgba(198,164,92,.8);animation:pulse 2.6s ease-in-out infinite}
.key-body{padding:24px 26px;font-family:var(--mono);font-size:12.5px;line-height:1.9;color:var(--mute);word-break:break-all;max-height:300px;overflow:auto}
.key-body .placeholder{color:var(--gold);display:block;margin-bottom:8px;letter-spacing:.03em}
.key-body .b64{color:var(--faint);display:block}
.key-fp{padding:16px 26px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;align-items:center;gap:6px 16px}
.key-fp .fp-l{font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--faint)}
.key-fp .fp-v{font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:var(--mute)}
.key-foot{padding:16px 26px;border-top:1px solid var(--line);display:flex;justify-content:flex-end}
.copy{background:transparent;border:1px solid var(--line-2);color:var(--ink);font-family:var(--mono);font-size:11px;letter-spacing:.14em;
  text-transform:uppercase;padding:11px 20px;cursor:pointer;display:inline-flex;align-items:center;gap:10px;transition:border-color .3s,color .3s,background .3s}
.copy:hover{border-color:var(--gold);color:var(--gold)}
.copy .k{width:6px;height:6px;border:1px solid currentColor;transform:rotate(45deg)}

/* ===== FOOTER ===== */
footer{padding:clamp(48px,7vh,80px) var(--edge) 56px;border-top:1px solid var(--line);position:relative;z-index:2}
.foot-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px}
.foot-brand{font-family:var(--disp);font-weight:600;letter-spacing:.34em;font-size:14px;color:var(--ink);padding-left:.34em}
.foot-links{display:flex;gap:24px}
.foot-links a{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--mute);transition:color .25s}
.foot-links a:hover{color:var(--gold)}
.foot-c{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;color:var(--faint)}
.docctl{margin-top:26px;font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--faint)}
.docctl span{color:var(--gold-dim)}

/* ===== GPG MODAL ===== */
.modal[hidden]{display:none}
.modal{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:24px}
.modal-backdrop{position:absolute;inset:0;background:rgba(5,5,7,.72);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);opacity:0;transition:opacity .3s}
.modal-card{position:relative;width:min(760px,100%);border:1px solid var(--line-2);background:linear-gradient(180deg,var(--raise),var(--void-2));
  transform:translateY(14px) scale(.98);opacity:0;transition:transform .35s cubic-bezier(.2,.7,.2,1),opacity .35s;box-shadow:0 30px 90px rgba(0,0,0,.6)}
.modal-card::before{content:"";position:absolute;top:0;left:0;width:3px;height:100%;background:linear-gradient(180deg,var(--gold),transparent)}
.modal.open .modal-backdrop{opacity:1}
.modal.open .modal-card{transform:none;opacity:1}
.modal-x{background:transparent;border:1px solid var(--line-2);color:var(--mute);width:30px;height:30px;cursor:pointer;font-size:13px;transition:color .2s,border-color .2s}
.modal-x:hover{color:var(--gold);border-color:var(--gold)}

/* ===========================================================
   ARTICLE + SIGNALS INDEX (Signals pages)
   =========================================================== */
.sec{padding-block:clamp(86px,13vh,170px);padding-inline:var(--edge)}
.article{max-width:760px;margin:0 auto;text-align:left}
.tag{font-family:var(--mono);font-weight:400;font-size:.7rem;letter-spacing:.22em;text-transform:uppercase;color:var(--gold);
  display:inline-flex;align-items:center;gap:.7em}
.tag::before{content:"";width:24px;height:1px;background:var(--gold);opacity:.7}
.article__kicker{justify-content:center;margin-bottom:24px}
.article h1{font-family:var(--disp);font-weight:600;font-size:clamp(2rem,4.4vw,3rem);line-height:1.12;letter-spacing:-.02em;text-align:center;margin-bottom:22px;color:var(--ink)}
.article__dek{font-family:var(--sans);font-size:1.18rem;line-height:1.5;color:var(--mute);text-align:center;max-width:46ch;margin:0 auto 24px}
.article__meta{font-family:var(--mono);font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;color:var(--faint);text-align:center;margin-bottom:52px}
.article h2{font-family:var(--disp);font-weight:600;font-size:1.5rem;line-height:1.2;margin:48px 0 18px;color:var(--ink);letter-spacing:-.01em}
.article p{font-size:1.075rem;line-height:1.8;margin-bottom:1.3em;color:#C7C9D1}
.article p strong{color:var(--ink);font-weight:500}
.pgpnote{margin-top:56px;padding:22px 24px;border:1px solid var(--line);background:var(--raise);font-family:var(--mono);font-size:.78rem;line-height:1.6;color:var(--mute)}
.pgpnote b{color:var(--gold);font-weight:400}
.cta-wrap{text-align:center;margin-top:54px}
.cta{display:inline-flex;align-items:center;gap:.75em;font-family:var(--mono);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--gold);border:1px solid rgba(198,164,92,.4);padding:14px 26px;transition:background .25s,border-color .25s}
.cta::after{content:"\2192";font-family:var(--sans);transition:transform .25s}
.cta:hover{background:rgba(198,164,92,.09);border-color:var(--gold)}
.cta:hover::after{transform:translateX(3px)}

/* article kicker motif */
.motif{max-width:520px;margin:0 auto 46px}
.motif figcaption{font-family:var(--mono);font-size:.64rem;letter-spacing:.24em;text-transform:uppercase;color:var(--mute);text-align:center;margin-bottom:18px}
.motif svg{width:100%;height:56px;display:block;overflow:visible;opacity:.92}
.ml{fill:none;stroke-width:1.2;vector-effect:non-scaling-stroke}
.s-gold{stroke:var(--gold)}.s-gold2{stroke:var(--gold-dim)}.s-wine{stroke:var(--bord)}
.f-gold{fill:var(--gold)}.f-wine{fill:var(--bord)}
@keyframes anping{0%{opacity:0}8%{opacity:.85}65%{opacity:0}100%{opacity:0}}
.an-ping{animation:anping 4.8s ease-out infinite}
@keyframes anpulse{0%,100%{opacity:.38}50%{opacity:1}}
.an-pulse{animation:anpulse 3.2s ease-in-out infinite}

/* signals index list */
.idx{max-width:900px;margin:0 auto;border-top:1px solid var(--line)}
.idx a{display:grid;grid-template-columns:auto 1fr auto;gap:26px;align-items:baseline;padding:32px 4px;border-bottom:1px solid var(--line);transition:background .25s}
.idx a:hover{background:rgba(198,164,92,.05)}
.idx__n{font-family:var(--mono);font-size:.72rem;color:var(--gold);letter-spacing:.12em}
.idx__t{font-family:var(--disp);font-weight:600;font-size:1.32rem;line-height:1.3;color:var(--ink);letter-spacing:-.01em}
.idx__d{font-size:.94rem;color:var(--mute);margin-top:7px;max-width:62ch}
.idx__m{font-family:var(--mono);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--faint);text-align:right;white-space:nowrap}
@media(max-width:860px){.idx a{grid-template-columns:auto 1fr}.idx__m{display:none}}

@media(max-width:760px){.hero{min-height:80vh}.scope-bg svg{height:34vh}}
@media(prefers-reduced-motion:reduce){*{animation:none!important}html{scroll-behavior:auto}.rings .src circle{opacity:.11;transform:scale(.6)}.rings .mark{opacity:.35}}html{scroll-behavior:auto}}