/* AURORA / SILENCE — original black cinematic landing design.
   Owner-provided mockup is the art-direction reference: sparse chrome,
   photographic saucer, Earth horizon, archival typography, no fake counters. */
:root{--silence-white:#e8edf2;--silence-muted:#a5b0ba;}
html:has(.silence-hero){scroll-padding-top:85px;overflow-x:clip;}
body:has(.silence-hero){
  color:#ecf1f5;
  background:#010305!important;
  overflow-x:clip;
}
body:has(.silence-hero) .site-shell{
  width:100%;max-width:none;min-width:0;padding:0;
  background:#010305!important;overflow:visible;
}
body:has(.silence-hero) .site-shell>main{overflow:visible;}
body:has(.silence-hero) .site-header{
  position:absolute;z-index:55;left:0;right:0;top:0;
  width:100%;min-height:91px;height:91px;
  padding:0 clamp(20px,5.6vw,106px);
  border:0!important;background:transparent!important;
  box-shadow:none!important;backdrop-filter:none!important;
  -webkit-backdrop-filter:none!important;
}
body:has(.silence-hero) .site-header::before{display:none!important;}
body:has(.silence-hero) .site-header .brand{
  min-width:0;gap:18px;align-items:center;text-decoration:none;z-index:2;
}
body:has(.silence-hero) .site-header .brand-icon{
  border:0;box-shadow:none;filter:none;width:43px;height:43px;color:#cfdae2;
}
body:has(.silence-hero) .site-header .brand-icon svg{opacity:.64;}
body:has(.silence-hero) .site-header .brand-text b{
  display:block;color:#f2f6fa;font-size:clamp(17px,2vw,26px);
  font-family:Inter,system-ui,sans-serif;font-weight:460;letter-spacing:.27em;
  text-shadow:0 2px 24px #000;white-space:nowrap;
}
body:has(.silence-hero) .site-header .brand-text small{
  font-family:ui-monospace,Consolas,monospace;
  color:#aebbc7;font-weight:570;font-size:9px;letter-spacing:.12em;
}
body:has(.silence-hero) .site-header .desktop-nav{
  gap:clamp(16px,2vw,40px);justify-content:center;
  flex:1;margin-inline:clamp(10px,3vw,55px);
}
body:has(.silence-hero) .site-header .desktop-nav a{
  color:#bac4cc;font-size:12px;letter-spacing:.045em;font-weight:650;
  text-transform:uppercase;text-shadow:0 1px 14px #000a;
  padding:10px 0;
}
body:has(.silence-hero) .site-header .desktop-nav a:hover,
body:has(.silence-hero) .site-header .desktop-nav a.active{color:white;}
body:has(.silence-hero) .site-header .desktop-nav a.active:after{
  display:block;left:12%;right:12%;bottom:-2px;height:1px;
  background:#d8eff8;box-shadow:0 0 12px #a0ddfa;
}
body:has(.silence-hero) .site-header .header-actions{gap:10px;min-width:0;}
body:has(.silence-hero) .site-header .gate-trigger{
  border:1px solid #ffffff53;border-radius:0;background:#050a11b3;
  color:#e9f0f4;padding:10px 14px;font-size:10px;font-weight:700;
  letter-spacing:.10em;box-shadow:none;
}
body:has(.silence-hero) .site-header .lang-select{background:#0306098a;border-color:#fff3;color:#eaf0f5;}
body:has(.silence-hero) .site-header .menu-button{background:#07101acc;border-color:#a5b1bc44;}
body:has(.silence-hero) .mobile-nav{
  position:absolute;z-index:56;right:15px;left:15px;top:82px;
  background:#03080fee;border:1px solid #8facc43d;
  backdrop-filter:blur(19px);
}
body:has(.silence-hero) .mobile-nav[hidden]{display:none!important;}
body:has(.silence-hero) .silence-hero{
  --silence-pad:clamp(22px,9vw,150px);
  position:relative;isolation:isolate;width:100%;margin:0;padding:0;
  height:100svh;min-height:760px;max-height:1160px;
  background:#010305!important;overflow:hidden;border:0!important;
}
.silence-hero::before,.silence-hero::after{display:none!important;}
.silence-hero .silence-space{
  position:absolute;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(ellipse at 61% 45%,#0b1620 0%,#03070c 40%,#010305 72%);
}
.silence-hero .silence-starfield{
  position:absolute;inset:0;opacity:.48;
  background-image:
   radial-gradient(1px 1px at 10% 12%,#d0e4f8 55%,transparent),
   radial-gradient(1px 1px at 22% 38%,#eff9ff 55%,transparent),
   radial-gradient(1px 1px at 38% 11%,#adbdcc 55%,transparent),
   radial-gradient(1px 1px at 59% 6%,#dbe4f2 55%,transparent),
   radial-gradient(2px 2px at 77% 23%,#c9e3f6 55%,transparent),
   radial-gradient(1px 1px at 90% 34%,#cbdce8 55%,transparent),
   radial-gradient(1px 1px at 72% 49%,#9fb8cc 55%,transparent),
   radial-gradient(1px 1px at 47% 62%,#e7eef4 55%,transparent),
   radial-gradient(1px 1px at 83% 65%,#8fb4ce 55%,transparent);
  background-size:437px 379px,337px 427px,281px 463px,577px 389px,389px 571px,419px 307px,491px 283px,523px 413px,313px 391px;
  mask-image:linear-gradient(180deg,#000 0%,#000 65%,transparent 100%);
}
.silence-hero .silence-moon{
  position:absolute;z-index:1;top:14%;right:7%;
  width:clamp(75px,9vw,172px);aspect-ratio:1;border-radius:50%;
  background:url("/assets/earth/moon-1024.jpg") center/cover no-repeat;
  filter:brightness(.33) saturate(.37) contrast(1.3);
  box-shadow:inset -21px -14px 28px #000,0 0 16px #a3cbf013;
  opacity:.62;
}
.silence-hero .silence-ship{
  position:absolute;z-index:2;
  right:1%;top:20%;width:min(61vw,1050px);height:53%;
  background:url("/assets/hero-ufo.webp") 51% 18% / cover no-repeat;
  filter:grayscale(.63) brightness(.90) contrast(1.24) saturate(.42);
  opacity:.91;
  mask-image:radial-gradient(ellipse 63% 56% at 57% 37%,#000 30%,#000c 54%,transparent 94%);
  transform:translate3d(var(--silence-shift-x,0px),var(--silence-shift-y,0px),0);
  transition:transform 600ms cubic-bezier(.2,.6,.2,1);
}
.silence-hero .silence-horizon{
  position:absolute;z-index:3;left:-12%;right:-10%;bottom:-31%;
  height:66%;border-radius:50% 50% 0 0 / 33% 33% 0 0;
  background:
    linear-gradient(0deg,#010305e8 2%,#01060fa8 40%,transparent 100%),
    url("/assets/earth/earth-night-4096.jpg") 54% 42% / cover no-repeat;
  box-shadow:inset 0 20px 60px #19374d9c,0 -3px 3px #9ccbd8aa,0 -18px 52px #659bb94f;
  filter:brightness(.80) saturate(.55);
  transform:rotate(-3deg);
  opacity:.8;
}
.silence-hero .silence-beam{
  position:absolute;z-index:2;right:23%;top:47%;width:17%;height:38%;
  background:linear-gradient(180deg,#c6e4ef2e,transparent 80%);
  clip-path:polygon(46% 0,55% 0,100% 100%,0 100%);
  filter:blur(10px);opacity:.35;mix-blend-mode:screen;
}
.silence-hero .silence-shade{
  position:absolute;inset:0;z-index:4;
  background:
   linear-gradient(90deg,#010305 0%,#010305ed 16%,#010305bb 35%,#01030510 66%,transparent 100%),
   linear-gradient(180deg,#010305 0%,transparent 24%,transparent 73%,#010305 100%);
}
.silence-hero .silence-rail{
  position:absolute;z-index:6;top:31%;left:clamp(20px,2.1vw,38px);
  display:flex;flex-direction:column;align-items:center;gap:21px;
  color:#7f8992;font:600 13px/1.2 ui-monospace,Consolas,monospace;
  border-left:1px solid #77899c5a;padding:4px 0 4px 18px;
}
.silence-hero .silence-rail span{display:block;letter-spacing:.08em;}
.silence-hero .silence-rail .is-active{color:#f1f7fb;}
.silence-hero .silence-rail .is-active::before{
  content:"";position:absolute;left:-2px;top:0;width:3px;height:28px;
  background:white;box-shadow:0 0 13px #fff8;
}
.silence-hero .silence-copy{
  position:absolute;z-index:7;top:29%;left:var(--silence-pad);
  width:min(660px,47vw);
  text-shadow:0 2px 22px #000a;
}
.silence-hero .silence-eyebrow{
  margin:0 0 27px;color:#a9b4bd;
  font:650 12px/1.4 ui-monospace,SFMono-Regular,Consolas,monospace;
  letter-spacing:.30em;text-transform:uppercase;
}
.silence-hero h1#hero-title{
  margin:0;color:#f1f5f8!important;
  font-family:Inter,"Segoe UI",system-ui,sans-serif;
  font-weight:500;font-size:clamp(66px,8.2vw,134px);
  line-height:.97;letter-spacing:.12em;
  text-shadow:0 3px 35px #000;
  animation:none!important;
}
.silence-hero .silence-subtitle{
  margin:18px 0 32px;
  font:500 clamp(10px,1.18vw,16px)/1.6 ui-monospace,Consolas,monospace;
  letter-spacing:.33em;color:#a9b6c2;text-transform:uppercase;
  white-space:nowrap;
}
.silence-hero .silence-description{
  margin:0 0 33px;color:#c4cbd1;
  font-size:clamp(16px,1.23vw,19px);line-height:1.75;
  max-width:580px;font-weight:430;
}
.silence-hero .silence-actions{
  display:flex;align-items:center;gap:17px;flex-wrap:wrap;margin:0;
}
.silence-hero .silence-actions .button{
  display:inline-flex;align-items:center;justify-content:center;gap:13px;
  min-height:51px;border-radius:5px;padding:14px 25px;
  font-size:12px;font-weight:680;letter-spacing:.035em;
  animation:none;text-transform:uppercase;
}
.silence-hero .silence-actions .button-primary{
  color:#f9fdff;background:#071019d0;border:1px solid #9fc9db;
  box-shadow:0 0 0 1px #e5f6ff24,0 0 15px #a4def033;
}
.silence-hero .silence-actions .button-primary:hover{
  background:#152b3b;color:white;box-shadow:0 0 25px #9bd9f74b;
}
.silence-hero .silence-actions .button-secondary{
  color:#d6e1e8;background:#03080fa3;border:1px solid #71808e66;box-shadow:none;
}
.silence-hero .silence-actions .button-secondary:hover{color:white;border-color:#a6c4d4;}
.silence-hero .silence-actions .icon{width:17px;height:17px;}
.silence-hero .silence-bottom{
  position:absolute;z-index:8;left:var(--silence-pad);right:clamp(24px,5.3vw,88px);
  bottom:clamp(35px,6vh,82px);
  display:flex;align-items:flex-end;gap:30px;justify-content:space-between;
}
.silence-hero .silence-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:12px;width:min(1050px,79vw);
}
.silence-hero .silence-stat{
  min-width:0;display:flex;align-items:center;gap:17px;
  padding:18px 19px 17px;border:1px solid #687a883d;
  border-radius:8px 8px 3px 3px;
  background:linear-gradient(110deg,#060b11d6,#0104078a);
  box-shadow:0 8px 25px #0007;
  backdrop-filter:blur(6px);
}
.silence-hero .silence-stat>.icon{
  flex:none;width:26px;height:26px;color:#c9d4dc;opacity:.9;
}
.silence-hero .silence-stat strong{
  display:block;font-family:Inter,system-ui,sans-serif;
  color:#eef3f7;font-weight:640;font-size:clamp(22px,2vw,34px);
  line-height:1.08;letter-spacing:.01em;font-variant-numeric:tabular-nums;
}
.silence-hero .silence-stat strong.silence-open{font-size:clamp(17px,1.4vw,25px);}
.silence-hero .silence-stat span{
  display:block;margin-top:6px;
  font:600 10px/1.35 ui-monospace,Consolas,monospace;
  letter-spacing:.1em;color:#a2afb9;text-transform:uppercase;
}
.silence-hero .silence-micro-map{
  flex:none;display:flex;flex-direction:column;align-items:center;
  gap:6px;color:#c1d4df;text-decoration:none;font-size:10px;letter-spacing:.1em;
}
.silence-hero .silence-micro-orbit{
  width:clamp(74px,8vw,125px);height:clamp(74px,8vw,125px);
  border:1px solid #5373884f;border-radius:50%;
  background:
    radial-gradient(circle at 36% 28%,#3c7fa9ad,#102135ad 46%,#030811 70%),
    url("/assets/earth/earth-night-4096.jpg") 48% 38% / cover;
  display:grid;place-items:center;box-shadow:0 0 25px #2d60822b;
}
.silence-hero .silence-micro-orbit .icon{width:44px;height:44px;opacity:.62;color:#bcdeef;}
body:has(.silence-hero) main>.world-atlas,
body:has(.silence-hero) main>.home-news,
body:has(.silence-hero) main>.mission-console,
body:has(.silence-hero) main>.methodology,
body:has(.silence-hero) main>.reports-section,
body:has(.silence-hero) main>.donate-banner,
body:has(.silence-hero) main>.mission-intro{
  width:min(1440px,calc(100% - clamp(40px,8vw,152px)));
  max-width:1440px;margin-inline:auto;
}
body:has(.silence-hero) main>.world-atlas{
  background:#04070b;border:0;border-top:1px solid #63778832;
  border-radius:0;margin-block:0;padding-block:72px;
}
body:has(.silence-hero) main>.home-news,
body:has(.silence-hero) main>.mission-console{
  background:#04070b;border-radius:0;border:0;border-top:1px solid #52667b37;
  box-shadow:none;margin-block:30px;
}
body:has(.silence-hero) .world-atlas-head h2,
body:has(.silence-hero) .home-news h2{
  font-family:Inter,system-ui,sans-serif;
  font-size:clamp(31px,3.9vw,64px);line-height:1.08;letter-spacing:-.045em;
}
body:has(.silence-hero) .world-result,
body:has(.silence-hero) .home-news-grid article{
  background:#080d13;border:1px solid #657d9133;border-radius:7px;
}
body:has(.silence-hero) .world-map-surface{background:#060e15;border-color:#6a889e43;}
body:has(.silence-hero) .footer{padding-inline:clamp(24px,5vw,90px);}
@media(max-width:1200px){
 body:has(.silence-hero) .site-header .desktop-nav{gap:12px;margin-inline:18px;}
 body:has(.silence-hero) .site-header .desktop-nav a{font-size:11px;}
 body:has(.silence-hero) .site-header .brand-text b{font-size:17px;}
 .silence-hero .silence-copy{width:min(600px,57vw);}
 .silence-hero h1#hero-title{font-size:clamp(60px,7.9vw,96px);}
 .silence-hero .silence-stats{width:min(960px,84vw);}
 .silence-hero .silence-stat{padding:14px;gap:12px;}
}
@media(max-width:900px){
 body:has(.silence-hero) .site-header{height:76px;min-height:76px;padding-inline:25px;}
 body:has(.silence-hero) .site-header .brand-icon{width:33px;height:33px;}
 .silence-hero .silence-rail{display:none;}
 .silence-hero .silence-copy{left:clamp(27px,6vw,60px);top:37%;width:min(560px,64vw);}
 .silence-hero .silence-bottom{left:clamp(27px,6vw,60px);right:24px;}
 .silence-hero .silence-ship{right:-12%;top:17%;width:90%;height:52%;}
 .silence-hero .silence-shade{background:linear-gradient(90deg,#010305 0%,#010305e3 25%,#01030562 65%,transparent),linear-gradient(180deg,#010305 0%,transparent 23%,transparent 65%,#010305 100%);}
 .silence-hero .silence-stats{width:100%;}
 .silence-hero .silence-micro-map{display:none;}
}
@media(max-width:640px){
 body:has(.silence-hero) .site-header{height:71px;min-height:71px;padding-inline:19px;}
 body:has(.silence-hero) .site-header .brand-icon{width:27px;height:27px;}
 body:has(.silence-hero) .site-header .brand{gap:8px;}
 body:has(.silence-hero) .site-header .brand-text b{font-size:15px;letter-spacing:.12em;}
 body:has(.silence-hero) .site-header .brand-text small{font-size:7px;letter-spacing:.04em;}
 body:has(.silence-hero) .site-header .gate-trigger{display:none;}
 body:has(.silence-hero) .silence-hero{min-height:830px;height:auto;max-height:none;padding-bottom:24px;}
 .silence-hero .silence-space{height:650px;bottom:auto;}
 .silence-hero .silence-ship{left:4%;right:-15%;top:10%;width:112%;height:330px;opacity:.92;}
 .silence-hero .silence-moon{width:74px;top:16%;right:9%;}
 .silence-hero .silence-beam{top:28%;height:30%;right:23%;}
 .silence-hero .silence-horizon{height:350px;bottom:-150px;opacity:.60;}
 .silence-hero .silence-shade{background:linear-gradient(180deg,#010305b0,transparent 23%,#010305df 76%,#010305 100%);}
 .silence-hero .silence-copy{position:relative;top:auto;left:auto;width:auto;padding:0 24px;margin-top:220px;z-index:7;}
 .silence-hero .silence-eyebrow{font-size:9px;letter-spacing:.13em;margin-bottom:11px;}
 .silence-hero h1#hero-title{font-size:clamp(46px,13.1vw,69px);letter-spacing:.08em;}
 .silence-hero .silence-subtitle{white-space:normal;letter-spacing:.13em;font-size:9px;margin:10px 0 16px;}
 .silence-hero .silence-description{font-size:13px;line-height:1.55;margin-bottom:14px;}
 .silence-hero .silence-actions{flex-wrap:nowrap;gap:8px;}
 .silence-hero .silence-actions .button{min-height:44px;padding:11px 12px;font-size:10px;gap:7px;}
 .silence-hero .silence-actions .icon{width:13px;height:13px;}
 .silence-hero .silence-bottom{position:relative;left:auto;right:auto;bottom:auto;margin:28px 18px 0;}
 .silence-hero .silence-stats{grid-template-columns:repeat(2,minmax(0,1fr));width:100%;gap:8px;}
 .silence-hero .silence-stat{padding:12px;gap:10px;background:#03070ccc;}
 .silence-hero .silence-stat>.icon{width:20px;height:20px;}
 .silence-hero .silence-stat strong{font-size:23px;}
 .silence-hero .silence-stat strong.silence-open{font-size:19px;}
 .silence-hero .silence-stat span{font-size:8px;letter-spacing:.06em;}
 body:has(.silence-hero) main>.world-atlas,
 body:has(.silence-hero) main>.home-news,
 body:has(.silence-hero) main>.mission-console,
 body:has(.silence-hero) main>.methodology,
 body:has(.silence-hero) main>.reports-section,
 body:has(.silence-hero) main>.donate-banner,
 body:has(.silence-hero) main>.mission-intro{width:calc(100% - 32px);}
 body:has(.silence-hero) main>.world-atlas{padding-block:44px;}
 body:has(.silence-hero) .world-atlas-head h2,body:has(.silence-hero) .home-news h2{font-size:clamp(29px,7vw,44px);}
}
@media(prefers-reduced-motion:reduce){
 .silence-hero .silence-ship{transition:none!important;transform:none!important;}
 html:has(.silence-hero){scroll-behavior:auto;}
}

/* Hide obsolete animated HUD completely: the approved aesthetic is silent. */
body:has(.silence-hero) #heroHudCanvas,
body:has(.silence-hero) .hero-hud-canvas{
  display:none!important;visibility:hidden!important;opacity:0!important;
}
@media(max-width:640px){
 .silence-hero .silence-bottom{
   display:block!important;position:relative!important;
   width:calc(100% - 36px)!important;max-width:calc(100vw - 36px)!important;
   left:auto!important;right:auto!important;top:auto!important;bottom:auto!important;
   margin:28px 18px 0!important;transform:none!important;
 }
 .silence-hero .silence-stats{
   position:relative!important;display:grid!important;
   grid-template-columns:repeat(2,minmax(0,1fr))!important;
   gap:8px!important;width:100%!important;max-width:100%!important;
   margin:0!important;transform:none!important;
 }
 .silence-hero .silence-stat{
   width:auto!important;min-width:0!important;max-width:100%!important;
   position:relative!important;margin:0!important;box-sizing:border-box!important;
 }
 .silence-hero .silence-stat>div{min-width:0;overflow-wrap:anywhere;}
 .silence-hero .silence-stat span{overflow-wrap:anywhere;}
 .silence-hero .silence-micro-map{display:none!important;}
}

/* The legacy .hero selector is display:flex; the reference hero's stacked mobile
   copy + metric cards must flow as block elements, not flex columns. */
body:has(.silence-hero) .silence-hero{display:block!important;}


/* Keep laptop-height CTA buttons and sourced metrics in the same vertical flow.
   Absolute positioning let .silence-bottom cover the primary CTAs on short
   desktop windows (observed on 2026-11-02). The hero may grow instead. */
@media (min-width:641px){
  body:has(.silence-hero) .silence-hero{
    display:flex!important;
    flex-direction:column;
    height:auto;
    min-height:max(760px,100svh);
    max-height:none;
  }
  .silence-hero .silence-copy{
    position:relative;
    top:auto;left:auto;
    flex:0 0 auto;
    margin:clamp(115px,15svh,180px) 0 0 var(--silence-pad);
  }
  .silence-hero .silence-description{margin-bottom:20px;}
  .silence-hero .portal-hub{flex:0 0 auto;}
  .silence-hero .portal-card{min-height:60px;}
  .silence-hero .portal-card small{margin-top:2px;}
  .silence-hero .silence-actions .button{min-height:46px;padding-block:11px;}
  .silence-hero .silence-bottom{
    position:relative;left:auto;right:auto;bottom:auto;flex:0 0 auto;
    margin:auto clamp(24px,5.3vw,88px) clamp(35px,6vh,82px) var(--silence-pad);
    padding-top:clamp(10px,1.5svh,20px);
  }
}
@media (min-width:641px) and (max-width:900px){
  .silence-hero .silence-copy{
    margin-left:clamp(27px,6vw,60px);
    margin-top:clamp(140px,18svh,210px);
  }
  .silence-hero .silence-bottom{
    margin-left:clamp(27px,6vw,60px);
    margin-right:24px;
  }
}
@media (min-width:641px) and (max-height:800px){
  .silence-hero .silence-copy{margin-top:clamp(130px,19svh,185px);}
  .silence-hero .silence-bottom{padding-top:clamp(30px,5svh,54px);}
}