@charset "UTF-8";
/* SoulGCI family surfaces with deep orbital-blue accents. Keep text and surface changes simultaneous for contrast. */
:root{
  color-scheme:light;--bg:#fff;--bg-soft:#f6f6f4;--surface:#fff;--surface-2:#f6f6f4;
  --line:#e7e7e4;--line-strong:#d8d8d4;--text:#000;--muted:#3d3d42;--faint:#666670;
  --accent:#173482;--pill-bg:#000;--pill-fg:#fff;--ring:rgba(14,14,13,.08);
  --header:rgba(255,255,255,.97);--shadow:0 18px 50px rgba(20,20,20,.08)
}
:root[data-theme="dark"]{
  color-scheme:dark;--bg:#000;--bg-soft:#0c0c0c;--surface:#101010;--surface-2:#181818;
  --line:#232323;--line-strong:#323232;--text:#fff;--muted:#b9b9b5;--faint:#a0a09a;
  --accent:#637dd8;--pill-bg:#fff;--pill-fg:#000;--ring:rgba(255,255,255,.10);
  --header:rgba(0,0,0,.97);--shadow:0 18px 50px rgba(0,0,0,.5)
}
*{box-sizing:border-box}
html{font-size:100%;scroll-behavior:smooth;scroll-padding-top:7rem}
body{margin:0;background:var(--bg);color:var(--text);font-family:"Inter Variable",Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:1.125rem;line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer}
button,a,summary{-webkit-tap-highlight-color:transparent}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:5px}
img,svg{display:block;max-width:100%}
h1,h2,h3,p,figure{margin:0}
h1,h2,h3{font-weight:600;letter-spacing:-.04em;line-height:1.2}
p{color:var(--muted)}
em{font-style:normal;color:var(--accent)}
[hidden]{display:none!important}
::selection{background:var(--accent);color:var(--bg)}
.wrap{max-width:1320px;width:calc(100% - 112px);margin-inline:auto}
.eyebrow{color:var(--accent);font-size:.8125rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;line-height:1.7}
.icon{width:28px;height:28px;flex-shrink:0}
.skip-link{position:fixed;top:8px;left:8px;z-index:100;padding:12px 20px;border-radius:8px;color:var(--pill-fg);background:var(--pill-bg);transform:translateY(-150%)}
.skip-link:focus{transform:translateY(0)}

/* Header controls mirror SoulGCI.ai, including the moon / sun action. */
.site-header{position:sticky;top:0;z-index:20;background:var(--header);border-bottom:1px solid var(--line)}
.header-inner{min-height:94px;max-width:1512px;margin:auto;padding:0 40px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;flex-shrink:0;gap:14px}
.brand img{width:66px;height:66px;object-fit:contain}
.logo-dark{display:none}
:root[data-theme="dark"] .logo-dark{display:block}
:root[data-theme="dark"] .logo-light{display:none}
.brand-divider{width:1px;height:30px;background:var(--line-strong)}
.brand-space{font-size:.8125rem;font-weight:500;letter-spacing:.22em}
.desktop-nav{display:flex;gap:25px;font-size:.875rem;color:var(--muted)}
.desktop-nav a{padding:12px 0;white-space:nowrap}
.desktop-nav a:hover,.footer-links a:hover{color:var(--accent)}
.header-actions{display:flex;align-items:center;gap:14px}
.languages{display:flex;align-items:center;gap:2px;padding:4px;border:1px solid var(--line);border-radius:999px;font-size:.8125rem;font-weight:500;line-height:1.2}
.languages a{color:var(--muted);display:grid;place-items:center;min-width:36px;min-height:32px;padding:6px 8px;border-radius:999px}
.languages a:hover{color:var(--text)}
.languages [aria-current="page"]{color:var(--pill-fg);background:var(--pill-bg)}
.theme-button,.menu-button{position:relative;border:1px solid var(--line);border-radius:999px;background:var(--surface);display:grid;place-items:center;width:44px;height:44px;flex-shrink:0;padding:10px}
.theme-button{overflow:hidden;transition:box-shadow .25s ease,transform .2s ease}
.theme-button:hover{box-shadow:0 0 0 4px var(--ring)}
.theme-button:active{transform:scale(.93)}
.theme-button .icon{position:absolute;width:21px;height:21px;color:var(--text);transition:opacity .3s ease,transform .45s cubic-bezier(.4,0,.2,1)}
.theme-button .i-sun{opacity:0;transform:rotate(-90deg) scale(.4)}
.theme-button .i-moon{opacity:1;transform:rotate(0) scale(1)}
:root[data-theme="dark"] .theme-button .i-sun{opacity:1;transform:rotate(0) scale(1)}
:root[data-theme="dark"] .theme-button .i-moon{opacity:0;transform:rotate(90deg) scale(.4)}
.menu-button{display:none}
.menu-button .icon{width:24px;height:24px}
.header-contact{font-size:.875rem;white-space:nowrap;padding:10px 18px;border:1px solid var(--line-strong);border-radius:999px}
.header-contact:hover{border-color:var(--text)}
.header-contact span{display:none}
.mobile-nav{padding:16px 28px;border-top:1px solid var(--line)}
.mobile-nav a{padding:12px 6px;display:block;font-size:1rem}

.hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:center;padding-block:60px;position:relative}
.hero-copy{padding-block:16px}
.hero h1{font-size:clamp(3.25rem,5.7vw,5.125rem);letter-spacing:-.055em;line-height:1.08;margin:26px 0 28px}
.hero-intro{font-size:1.25rem;max-width:520px;line-height:1.75;text-wrap:pretty}
.hero-cta{margin-top:34px;display:flex;flex-direction:column;align-items:flex-start;gap:23px}
.button{background:var(--pill-bg);color:var(--pill-fg);border:1px solid var(--pill-bg);border-radius:999px;display:inline-flex;align-items:center;justify-content:center;font-size:1rem;font-weight:500;min-height:54px;padding:13px 26px;transition:transform .2s ease,box-shadow .2s ease}
.button .icon{display:none}
.button:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.text-link{font-size:1rem;color:var(--text);text-decoration:underline;text-underline-offset:6px;text-decoration-color:var(--line-strong)}
.text-link span{display:none}
.text-link:hover{color:var(--accent);text-decoration-color:var(--accent)}
.stage{font-size:.8125rem;display:flex;align-items:center;gap:10px;margin-top:34px;line-height:1.7}
.stage span{width:6px;height:6px;flex-shrink:0;border-radius:50%;background:var(--accent)}
.environment-figure{width:100%;position:relative;overflow:hidden;background:#000;border:1px solid #232323;border-radius:16px}
.figure-canvas{position:relative}
.environment-svg{width:100%;height:auto}
.figure-label{position:absolute;left:8.75%;width:67%;pointer-events:none;line-height:1.5;color:#fff}
.figure-label strong{display:block;font-size:.875rem;letter-spacing:.035em;font-weight:600}
.figure-label small{display:block;font-size:.75rem;color:#bbc5d8;margin-top:4px;line-height:1.55}
.figure-label-orbit{top:14.5%}
.figure-label-flight{top:41.5%}
.figure-label-ground{top:89%}
.environment-figure figcaption{display:flex;justify-content:space-between;gap:12px;color:#b9b9b5;font-size:.75rem;line-height:1.65;padding:14px 22px;border-top:1px solid #232323;background:#0c0c0c}
.environment-figure figcaption>span:last-child{white-space:nowrap}
.pillar-strip{border-block:1px solid var(--line)}
.pillar-strip .wrap{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}
.pillar-strip .wrap>span{display:flex;align-items:center;gap:20px;font-size:.9375rem;padding:25px 28px;border-left:1px solid var(--line)}
.pillar-strip .wrap>span:first-child{padding-left:0;border-left:0}
.pillar-strip i{font-family:ui-monospace,monospace;font-style:normal;font-size:.75rem;color:var(--faint)}

.section{padding-block:100px}
.section-head{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:80px;align-items:end;margin-bottom:48px}
.section-head h2{font-size:clamp(2rem,3.25vw,2.875rem);margin-top:17px;line-height:1.2;text-wrap:balance}
.section-head>p{font-size:1.125rem;line-height:1.8;max-width:500px;padding-bottom:3px;text-wrap:pretty}
.layers{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-block:1px solid var(--line)}
.layer{padding:30px 24px 30px 0;margin-right:24px;border-right:1px solid var(--line)}
.layer:last-child{padding-right:0;margin-right:0;border-right:0}
.layer-number{display:block;font-size:.8125rem;font-family:ui-monospace,monospace;color:var(--faint);margin-bottom:28px}
.layer .eyebrow{font-size:.75rem;letter-spacing:.045em;min-height:42px}
.layer h3{font-size:1.5rem;letter-spacing:-.035em;margin:10px 0 18px;min-height:58px;line-height:1.25}
.layer p:not(.eyebrow){font-size:1rem;line-height:1.85}
.science-note{display:flex;align-items:flex-start;gap:20px;max-width:1080px;margin-top:28px}
.science-note>span{color:var(--accent);font-size:1.5rem}
.science-note p{font-size:.9375rem;line-height:1.85}
.science-note strong{font-weight:600;color:var(--text)}
.applications-section,.sources-section{background:var(--bg-soft);border-block:1px solid var(--line)}
.applications-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.application{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:30px;display:flex;flex-direction:column}
.application:hover{border-color:var(--line-strong)}
.card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:25px}
.card-top .icon{width:32px;height:32px;color:var(--accent)}
.card-top span{font-size:.75rem;color:var(--faint);font-family:ui-monospace,monospace}
.application h3{font-size:1.5rem;letter-spacing:-.03em;line-height:1.3;margin-bottom:16px}
.application>p{font-size:1rem;line-height:1.8;margin-bottom:26px}
.card-result{border-top:1px solid var(--line);padding-top:18px;margin-top:auto}
.card-result>span{color:var(--accent);font-size:.75rem;letter-spacing:.065em;text-transform:uppercase;font-weight:600}
.card-result p{font-size:1rem;line-height:1.8;margin-top:8px;color:var(--text)}
.outputs-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:64px}
.output{display:flex;align-items:flex-start;gap:22px;padding:30px 0;border-top:1px solid var(--line)}
.output-num{font-size:.75rem;font-family:ui-monospace,monospace;color:var(--faint);padding-top:6px}
.output h3{font-size:1.5rem;letter-spacing:-.03em;margin-bottom:14px}
.output p{font-size:1rem;line-height:1.85}
.output .signal-input{color:var(--accent);margin-bottom:12px;font-size:.9375rem}
.source-filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:30px}
.source-filters button{border:1px solid var(--line-strong);border-radius:999px;padding:10px 20px;background:var(--surface);font-size:.9375rem;line-height:1.5;color:var(--muted);min-height:44px}
.source-filters button[aria-pressed="true"]{background:var(--pill-bg);border-color:var(--pill-bg);color:var(--pill-fg)}
.source-filters button:hover:not([aria-pressed="true"]){color:var(--text);border-color:var(--faint)}
.sources-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.source{padding:28px;background:var(--surface);border:1px solid var(--line);border-radius:14px;display:flex;flex-direction:column;align-items:flex-start;overflow-wrap:anywhere}
.source-type{display:inline-block;border:1px solid var(--line-strong);border-radius:999px;font-size:.75rem;letter-spacing:.025em;padding:4px 10px;color:var(--accent);margin-bottom:24px}
.type-project{color:var(--muted)}
.source-topic{font-size:.875rem;margin-bottom:9px}
.source h3{font-size:1.375rem;letter-spacing:-.03em;line-height:1.3;margin-bottom:15px}
.source>p:not(.source-topic){font-size:1rem;line-height:1.8;margin-bottom:24px}
.source-links{display:flex;flex-wrap:wrap;gap:12px 18px;margin-top:auto}
.source-links a{font-size:.875rem;color:var(--text);border-bottom:1px solid var(--line-strong);padding-bottom:3px}
.source-links a:hover{color:var(--accent)}
.source-links span{color:var(--accent);margin-left:3px}
.sources-note{font-size:.9375rem;line-height:1.85;margin-top:28px;max-width:1080px}

.method-steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px}
.method-steps li{border-top:1px solid var(--line);padding-top:22px}
.method-steps li>span{font-family:ui-monospace,monospace;color:var(--accent);font-size:.8125rem;display:block;margin-bottom:26px}
.method-steps h3{font-size:1.5rem;line-height:1.3;letter-spacing:-.03em;margin-bottom:15px}
.method-steps p{font-size:1rem;line-height:1.85}
.collaboration{margin-top:56px;background:var(--bg-soft);border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:0 14px 14px 0;padding:36px;display:grid;grid-template-columns:1.6fr 1fr;gap:64px;align-items:center}
.collaboration h3{font-size:1.625rem;letter-spacing:-.03em;line-height:1.3;margin-bottom:15px}
.collaboration p{font-size:1rem;line-height:1.85}
.collaboration ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:15px}
.collaboration li{display:flex;justify-content:space-between;gap:20px;font-size:.9375rem;border-bottom:1px solid var(--line);padding-bottom:15px}
.collaboration li:last-child{border:0;padding-bottom:0}
.collaboration li span{color:var(--accent)}
details{border-bottom:1px solid var(--line)}
summary{display:flex;justify-content:space-between;gap:25px;cursor:pointer;list-style:none;align-items:center}
summary::-webkit-details-marker{display:none}
summary>span{color:var(--accent);font-size:1.5rem;font-weight:400;flex-shrink:0;transition:transform .2s}
details[open] summary>span{transform:rotate(45deg)}
.research{margin-top:30px}
.research summary{font-size:1rem;padding:22px 0}
.research p{font-size:1rem;line-height:1.85;max-width:850px;margin-bottom:26px}
.faq-section{padding-top:0;padding-bottom:100px;display:grid;grid-template-columns:1fr 2fr;gap:60px}
.faq-section>.eyebrow{padding-top:24px}
.faq{border-top:1px solid var(--line)}
.faq summary{padding:24px 0;font-size:1.125rem;font-weight:500;line-height:1.65}
.faq details>p{font-size:1rem;line-height:1.85;margin:0 38px 26px 0}
.contact-section{padding:86px 0;background:var(--bg-soft);position:relative;overflow:hidden;border-block:1px solid var(--line)}
.contact-inner{position:relative;display:grid;grid-template-columns:1.3fr 1fr;gap:80px;align-items:end}
.contact-inner h2{font-size:clamp(2.375rem,4.2vw,3.75rem);line-height:1.15;margin-top:20px;letter-spacing:-.05em}
.contact-inner>div>p:not(.eyebrow){font-size:1.125rem;line-height:1.8;margin-top:24px;max-width:540px}
.contact-inner .button{margin-top:30px}
.contact-details{display:flex;flex-direction:column;align-items:flex-start;gap:14px;padding-bottom:4px;min-width:0}
.contact-details>p{max-width:400px;margin-bottom:24px}
.contact-details .email{font-size:clamp(1.125rem,2vw,1.75rem);color:var(--text);letter-spacing:-.04em;margin-bottom:12px;overflow-wrap:anywhere}
.contact-details .email span{display:none}
.contact-details>a{font-size:1rem;color:var(--muted)}
.contact-details>a:hover{color:var(--accent)}
.contact-orbit{width:690px;height:340px;position:absolute;border:1px solid var(--line-strong);border-radius:50%;right:-90px;top:30px;transform:rotate(-35deg);opacity:.5;pointer-events:none}
.contact-orbit:after{content:"";position:absolute;inset:45px;border:1px solid var(--line-strong);border-radius:50%}
.site-footer{padding-top:55px}
.footer-main{display:grid;grid-template-columns:1.35fr 1.2fr .7fr;gap:64px;padding-bottom:46px}
.footer-wordmark{font-size:1.75rem;letter-spacing:-.05em}
.footer-wordmark span{font-size:.75rem;letter-spacing:.18em;border-left:1px solid var(--line-strong);margin-left:12px;padding-left:14px;vertical-align:middle}
.footer-main p{font-size:.875rem;line-height:1.85;margin-top:15px;max-width:360px}
.footer-main strong{font-weight:500;color:var(--text)}
.footer-main h2{font-size:.875rem;font-weight:600;letter-spacing:0;color:var(--text);line-height:1.6;margin-bottom:17px}
.footer-links{display:flex;flex-direction:column;align-items:flex-start;gap:11px}
.footer-links h2{margin-bottom:8px}
.footer-links a{font-size:.9375rem;color:var(--muted)}
.footer-links span{margin-left:8px}
.footer-bottom{border-top:1px solid var(--line);padding:24px 0;display:flex;align-items:center;justify-content:space-between;gap:24px;font-size:.8125rem;color:var(--muted)}
.footer-bottom>span:nth-child(2){max-width:600px}
.footer-bottom .languages{flex-shrink:0}
html[lang="ru"] .hero h1,html[lang="ro"] .hero h1{font-size:clamp(3rem,5.2vw,4.75rem)}
html[lang="ru"] .desktop-nav{gap:20px}

/* Content is visible by default; JS enhances only blocks below the first viewport. */
.will-reveal{opacity:0;transform:translate3d(0,18px,0);transition:opacity .7s ease,transform .8s cubic-bezier(.22,1,.36,1);transition-delay:var(--reveal-delay,0ms)}
.will-reveal.reveal-text{filter:blur(2px);clip-path:inset(0 0 12% 0);transition-property:opacity,transform,filter,clip-path;transition-duration:.7s,.8s,.7s,.8s}
.will-reveal.is-visible{opacity:1;transform:none;filter:none;clip-path:inset(0)}
.will-reveal.skip-reveal,.will-reveal:focus-within{opacity:1;transform:none;filter:none;clip-path:none;transition:none}

@media(min-width:1600px){
  .hero{gap:70px;padding-block:70px}.environment-figure{max-width:620px;margin-left:auto}
}
@media(max-width:1250px){
  .wrap{width:calc(100% - 72px)}.header-inner{padding-inline:28px;gap:20px}.desktop-nav{gap:20px}.header-contact{display:none}
  .hero{gap:32px}.hero h1{font-size:clamp(3rem,5.7vw,4.25rem)}.hero-intro{font-size:1.125rem}
  .section-head{gap:50px}.layers{grid-template-columns:repeat(2,minmax(0,1fr))}
  .layer{padding:28px 28px 28px 0;margin-right:28px}.layer:nth-child(2){border-right:0;padding-right:0;margin-right:0}
  .layer:nth-child(-n+2){border-bottom:1px solid var(--line)}.layer .eyebrow,.layer h3{min-height:0}.layer-number{margin-bottom:18px}
  .applications-grid,.sources-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.application:last-child{grid-column:span 2}
  .method-steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px}.collaboration{gap:40px}
  .footer-main{gap:40px}.contact-inner{gap:50px}
  html[lang="ru"] .hero h1,html[lang="ro"] .hero h1{font-size:clamp(2.75rem,5.2vw,4rem)}
}
@media(max-width:1000px){
  .wrap{width:calc(100% - 56px)}.header-inner{min-height:82px;padding-inline:22px}
  .brand img{width:58px;height:58px}.brand{gap:12px}.desktop-nav{display:none}.menu-button{display:grid}.header-actions{gap:10px}
  .hero{gap:26px;padding-block:42px}.hero h1{font-size:clamp(2.5rem,5.5vw,3.4rem);margin:22px 0 24px}
  .hero-intro{font-size:1.125rem}.hero-cta{margin-top:26px;gap:20px}.stage{margin-top:26px}
  .figure-label small{display:none}.environment-figure figcaption{padding:12px 16px}.environment-figure figcaption>span:last-child{display:none}
  .pillar-strip .wrap>span{padding:22px 18px;gap:12px;font-size:.875rem}
  .section{padding-block:76px}.section-head{gap:32px;margin-bottom:36px}.section-head h2{font-size:2rem}
  .section-head>p{font-size:1.0625rem}.application,.source{padding:26px}.outputs-grid{column-gap:34px}.output{gap:18px}
  .collaboration{padding:28px;gap:32px}.faq-section{grid-template-columns:1fr 3fr;gap:32px;padding-bottom:76px}
  .contact-section{padding:66px 0}.contact-inner{gap:36px}.contact-inner h2{font-size:2.5rem}
  .contact-inner>div>p:not(.eyebrow){font-size:1rem}.footer-main{grid-template-columns:1fr 1fr;gap:36px}
  .footer-main>div:first-child{grid-column:span 2}.footer-main>div:first-child p{max-width:none}
  .footer-bottom{align-items:flex-start;flex-wrap:wrap}.footer-bottom>span:nth-child(2){order:3;width:100%;max-width:none}
  html[lang="ru"] .hero h1,html[lang="ro"] .hero h1{font-size:clamp(2.25rem,5vw,3.2rem)}
}
@media(max-width:700px){
  html{scroll-padding-top:6rem}.wrap{width:calc(100% - 40px)}.header-inner{min-height:78px;padding-inline:16px;gap:10px}
  .brand{gap:9px}.brand img{width:54px;height:54px}.brand-divider{height:25px}.brand-space{font-size:.75rem;letter-spacing:.17em}
  .header-actions{gap:8px}.languages{padding:3px}.languages a{min-width:34px;padding:5px 7px}
  .hero{grid-template-columns:1fr;gap:38px;padding-top:42px;padding-bottom:32px}.hero-copy{padding:0}
  .hero h1{font-size:clamp(3rem,10.7vw,4rem);line-height:1.08;margin:22px 0 24px}
  .hero-intro{font-size:1.1875rem;max-width:560px}.hero-cta{margin-top:28px;gap:22px}.stage{margin-top:28px}
  .environment-figure{max-width:540px;justify-self:center}.figure-label strong{font-size:.875rem}.figure-label-ground{top:88%}
  .environment-figure figcaption{padding:14px 18px}
  .pillar-strip .wrap{grid-template-columns:1fr}.pillar-strip .wrap>span,.pillar-strip .wrap>span:first-child{padding:18px 0;border:0;border-bottom:1px solid var(--line);font-size:.9375rem;gap:22px}
  .pillar-strip .wrap>span:last-child{border-bottom:0}.section{padding-block:66px}
  .section-head{grid-template-columns:1fr;gap:24px;margin-bottom:34px}.section-head h2{font-size:2.125rem;margin-top:16px;line-height:1.22}
  .section-head>p{font-size:1.125rem;max-width:none}.eyebrow{letter-spacing:.085em}
  .layers{grid-template-columns:1fr}.layer,.layer:nth-child(2),.layer:last-child{border:0;border-bottom:1px solid var(--line);margin:0;padding:28px 0;display:grid;grid-template-columns:28px 1fr;gap:18px}
  .layer:last-child{border-bottom:0}.layer-number{margin:0;padding-top:2px}.layer h3{margin:9px 0 15px}.layer .eyebrow{font-size:.75rem}
  .science-note{gap:16px;margin-top:26px}.applications-grid,.sources-grid,.outputs-grid{grid-template-columns:1fr}
  .application:last-child{grid-column:auto}.application{padding:28px}.application h3{font-size:1.5rem}
  .outputs-grid{gap:0}.output{gap:18px;padding:28px 0}.source{padding:26px}.source-filters{gap:8px;margin-bottom:26px}
  .source-filters button{padding:10px 16px;font-size:.875rem}
  .method-steps{grid-template-columns:1fr;gap:28px}.method-steps li{padding-top:22px;display:grid;grid-template-columns:28px 1fr;gap:0 18px}
  .method-steps li>span{grid-row:span 2;margin:0;padding-top:3px}.collaboration{grid-template-columns:1fr;gap:30px;margin-top:38px;padding:26px}
  .faq-section{display:block;padding-bottom:66px}.faq-section>.eyebrow{margin-bottom:26px;padding-top:0}.faq summary{padding:23px 0}
  .faq details>p{margin-right:20px}.contact-section{padding:58px 0}.contact-inner{grid-template-columns:1fr;gap:38px}
  .contact-inner h2{font-size:2.5rem}.contact-inner>div>p:not(.eyebrow){font-size:1.125rem}
  .contact-details{border-top:1px solid var(--line-strong);padding-top:8px}.contact-details>p{margin-bottom:10px;max-width:none}
  .contact-details .email{font-size:1.625rem}.contact-orbit{right:-400px;top:260px}
  .site-footer{padding-top:40px}.footer-main{grid-template-columns:1fr;gap:34px;padding-bottom:34px}.footer-main>div:first-child{grid-column:auto}
  .footer-bottom{gap:18px}
  html[lang="ru"] .hero h1,html[lang="ro"] .hero h1{font-size:clamp(2.75rem,9.8vw,3.75rem)}
}
@media(max-width:420px){
  .header-inner{padding-inline:12px;gap:8px}.brand{gap:6px}.brand img{width:50px;height:50px}.brand-space{font-size:.6875rem;letter-spacing:.12em}
  .header-actions{gap:6px}.languages{padding:2px;font-size:.75rem}.languages a{min-width:32px;min-height:34px;padding:5px}
  .figure-label strong{font-size:.8125rem}.application,.source{padding:24px}.contact-details .email{font-size:1.5rem}
}
/* Editorial space-science direction: panoramic photography, strong type, clear rules. */
.site-header{
  --bg:#000;--surface:#000;--text:#fff;--muted:#d2d2d2;--line:#292929;--line-strong:#444;
  --pill-bg:#fff;--pill-fg:#000;--accent:#a6b8ff;--ring:rgba(255,255,255,.14);
  background:#000;color:#fff;border-bottom:1px solid #272727
}
.site-header .logo-dark{display:block}
.site-header .logo-light{display:none}
.desktop-nav{font-weight:600}
.brand-space{letter-spacing:.24em}
.header-contact{border-radius:3px;font-weight:600}
h1,h2,h3{font-weight:700;letter-spacing:-.025em}
.eyebrow{font-family:"Inter Variable",sans-serif;letter-spacing:.15em;font-size:.8125rem}
.button{border-radius:3px;font-size:1.0625rem;font-weight:650;padding:14px 25px;background:#173482;border-color:#173482;color:#fff}
.button:hover{background:#213f92;transform:translateY(-1px)}
.hero{display:block;min-height:0;padding:0;background:#03050b;color:#fff;overflow:hidden}
.hero-media,.hero-media:after{position:absolute;inset:0}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:center 52%}
.hero-media:after{content:"";background:linear-gradient(90deg,rgba(0,0,0,.83) 0%,rgba(0,0,0,.57) 40%,rgba(0,0,0,.08) 78%),linear-gradient(0deg,rgba(0,0,0,.7),transparent 40%)}
.hero-inner{position:relative;min-height:710px;display:flex;align-items:center;padding-block:76px 84px}
.hero-copy{width:100%;max-width:780px;padding:0}
html[lang] .hero h1{font-size:clamp(3.5rem,6.2vw,5.75rem);line-height:1.035;letter-spacing:-.035em;font-weight:720;margin:26px 0 28px}
.hero h1 em{color:#fff}
.hero .eyebrow{color:#fff;font-weight:500;display:flex;align-items:center;gap:13px}
.hero .eyebrow:before{content:"";display:block;width:26px;height:3px;background:#637dd8}
.hero-intro{max-width:600px;font-size:1.1875rem;line-height:1.8;color:#f0f0f0}
.hero-cta{flex-direction:row;align-items:center;flex-wrap:wrap;gap:24px 30px;margin-top:30px}
.hero .text-link{color:#fff;text-decoration-color:#888;font-weight:500}
.hero .text-link:hover{text-decoration-color:#fff}
.hero .stage{color:#d3d5df;display:block;font-size:.8125rem;margin-top:32px;letter-spacing:.025em}
.image-credit{font-size:.75rem;line-height:1.5;color:#e7e7e7;text-decoration:underline;text-decoration-color:#777;text-underline-offset:3px}
.hero-inner>.image-credit{position:absolute;right:0;bottom:22px;background:rgba(0,0,0,.65);padding:4px 8px}
.pillar-strip{background:#050505;color:#fff;border-color:#292929}
.pillar-strip .wrap>span{font-weight:600;font-size:.9375rem;border-color:#292929;padding-block:26px}
.pillar-strip i{color:#a4afcc}
.section-head{margin-bottom:54px}
.section-head h2{font-size:clamp(2.25rem,3.5vw,3.25rem);line-height:1.12;letter-spacing:-.03em;font-weight:700}
.section-head>p{line-height:1.8}
.scope-visual{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.12fr);gap:60px;align-items:center}
.scope .environment-figure{max-width:none;margin:0;border-radius:0}
.scope .layers{grid-template-columns:repeat(2,minmax(0,1fr));border:0;gap:30px}
.scope .layer,.scope .layer:nth-child(2),.scope .layer:last-child{margin:0;padding:24px 0 0;border:0;border-top:1px solid var(--line-strong)}
.scope .layer-number{margin-bottom:20px;font-size:.8125rem}
.scope .layer .eyebrow{font-size:.75rem;letter-spacing:.05em;min-height:0}
.scope .layer h3{font-size:1.5rem;line-height:1.22;min-height:0;margin-bottom:15px}
.scope .layer p:not(.eyebrow){font-size:1rem;line-height:1.75}
.science-note{max-width:none;padding-top:26px;border-top:1px solid var(--line);margin-top:32px}
.applications-section{background:var(--bg)}
.applications-grid{gap:26px}
.application{border:0;border-top:1px solid var(--line-strong);border-radius:0;padding:28px 0;background:transparent;position:relative;overflow:hidden}
.application h3{font-weight:700;letter-spacing:-.025em}
.application .card-top{margin-bottom:22px}
.application .card-result{border-top:0;padding-top:4px}
.application-featured{background:#06090f;border:0;padding:28px;min-height:620px;color:#fff}
.application-featured .application-media{position:absolute;inset:0;z-index:0}
.application-media img{width:100%;height:100%;object-fit:cover}
.application-media:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.14) 0%,rgba(0,0,0,.3) 22%,rgba(0,0,0,.93) 48%,#000 100%)}
.application-featured>*:not(.application-media){position:relative}
.application-featured .card-top{margin-bottom:175px}
.application-featured .card-top .icon{color:#fff;filter:drop-shadow(0 1px 5px #000)}
.application-featured .card-top>span{color:#fff;font-weight:600;background:rgba(0,0,0,.8);padding:2px 7px}
.application-featured h3{font-size:1.75rem;margin-bottom:15px;line-height:1.17}
.application-featured>p{color:#ebedf2;font-size:1rem;line-height:1.75;margin-bottom:24px}
.application-featured .card-result{padding-top:18px;border-top:1px solid #51515b}
.application-featured .card-result>span{color:#acbdf6}
.application-featured .card-result p{color:#f2f2f2;font-size:1rem;line-height:1.75}
.application-featured .image-credit{align-self:flex-start;margin-top:28px;color:#c9cdd9;font-size:.75rem}
.source{border-radius:0;border:0;border-top:2px solid var(--line-strong);padding:28px;background:var(--surface)}
.source-filters button,.source-type{border-radius:2px}
.output{border-top:2px solid var(--line-strong)}
.output h3,.method-steps h3{font-weight:700}
.collaboration{border-radius:0}
.contact-section{background:#0a1228;color:#fff;--text:#fff;--muted:#d4daeb;--accent:#b2c1ff;--line:#34415f;--line-strong:#34415f}
.contact-inner h2{font-weight:720;line-height:1.08}
.contact-inner .button{background:#fff;color:#0a1228;border-color:#fff}
.contact-inner .button:hover{background:#edf0f8}
.contact-orbit{opacity:.45}
@media(min-width:1251px){
  .application-featured:nth-child(1){grid-column:auto}
}
@media(max-width:1250px){
  .scope-visual{gap:36px;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr)}
  .scope .layers{gap:24px}.scope .layer h3{font-size:1.375rem}
  .applications-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
  .application:last-child{grid-column:auto}.application-featured{padding:24px;min-height:680px}
  .application-featured h3{font-size:1.5rem}.application-featured .card-top{margin-bottom:145px}
}
@media(max-width:1000px){
  .hero-inner{min-height:660px;padding-block:64px 80px}
  html[lang] .hero h1{font-size:clamp(3.25rem,7.4vw,4.625rem)}
  .hero-copy{max-width:700px}.hero-intro{max-width:560px;font-size:1.125rem}
  .scope-visual{grid-template-columns:1fr;gap:42px}
  .scope .environment-figure{max-width:570px;margin-inline:auto}
  .scope .layer h3{font-size:1.5rem}.scope .layers{gap:32px}
  .applications-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
  .application-featured:nth-child(3){grid-column:span 2;min-height:490px;padding-right:38%}
  .application-featured:nth-child(3) .card-top{margin-bottom:60px}
  .application-featured:nth-child(3) .application-media:after{background:linear-gradient(90deg,rgba(0,0,0,.9),rgba(0,0,0,.82) 55%,rgba(0,0,0,.2))}
  .application-featured{min-height:620px}
}
@media(max-width:700px){
  .hero-inner{min-height:640px;padding-block:58px 70px}
  .hero-media img{object-position:62% center}
  .hero-media:after{background:linear-gradient(90deg,rgba(0,0,0,.78),rgba(0,0,0,.52)),linear-gradient(0deg,rgba(0,0,0,.65),transparent 45%)}
  html[lang] .hero h1{font-size:clamp(2.65rem,10.5vw,4.3rem);line-height:1.07;letter-spacing:-.035em;margin-block:25px}
  .hero-intro{font-size:1.125rem;line-height:1.75}.hero .eyebrow{font-size:.75rem;letter-spacing:.1em;gap:9px}
  .hero .eyebrow:before{width:20px}.hero-cta{flex-direction:column;align-items:flex-start;gap:22px}
  .hero .stage{margin-top:28px;font-size:.8125rem}.hero-inner>.image-credit{font-size:.75rem;bottom:18px}
  .pillar-strip .wrap>span,.pillar-strip .wrap>span:first-child{font-size:.9375rem;padding:18px 0;border-color:#292929}
  .section-head{margin-bottom:36px}.section-head h2{font-size:2.2rem;line-height:1.14}
  .scope .layers{grid-template-columns:1fr;gap:0}
  .scope .layer,.scope .layer:nth-child(2),.scope .layer:last-child{padding:26px 0;display:grid;grid-template-columns:28px 1fr;gap:18px}
  .scope .layer-number{margin:0}.scope .layer h3{margin-top:10px}
  .applications-grid{grid-template-columns:1fr;gap:24px}
  .application{padding:28px 0}
  .application-featured,.application-featured:nth-child(3){padding:26px;min-height:590px;grid-column:auto}
  .application-featured .card-top,.application-featured:nth-child(3) .card-top{margin-bottom:165px}
  .application-featured:nth-child(3) .application-media:after{background:linear-gradient(180deg,rgba(0,0,0,.14),rgba(0,0,0,.3) 22%,rgba(0,0,0,.93) 48%,#000 100%)}
  .application-featured h3{font-size:1.625rem}
  .source{padding:25px}.contact-inner h2{font-size:2.65rem}
}
/* Owner-supplied brand marks and the ground-to-space photographic collage. */
.site-header .soulgci-logo{filter:invert(1)}
.footer-wordmark{display:inline-flex;align-items:center;gap:18px}
.footer-wordmark .soulgci-logo{width:100px;height:100px;object-fit:contain}
.footer-wordmark span{margin:0;padding-left:18px}
:root[data-theme="dark"] .footer-wordmark .soulgci-logo{filter:invert(1)}
.company-identities{min-width:0}
.company-identity{display:flex;align-items:center;gap:18px;margin-top:22px}
.company-identity img{width:64px;height:64px;object-fit:contain;flex-shrink:0}
.company-identity .operator-logo{background:#fff;padding:4px}
:root[data-theme="dark"] .company-identity .operator-logo{filter:invert(1)}
.company-identity p{margin:0;min-width:0;line-height:1.65}
.company-identity strong{font-weight:600;display:inline-block;margin-block:3px}
.environment-collage{isolation:isolate}
.collage-canvas{position:relative;aspect-ratio:4/5;background:#050b17;overflow:hidden}
.collage-image{width:100%;height:100%;object-fit:cover}
.collage-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(1,6,16,.76),rgba(1,6,16,.35) 55%,rgba(1,6,16,.03)),linear-gradient(0deg,rgba(1,6,16,.3),transparent 25%);pointer-events:none}
.collage-label{position:absolute;left:7%;right:7%;color:#fff;max-width:85%;line-height:1.5;text-shadow:0 1px 10px rgba(0,0,0,.5)}
.collage-rule{display:block;width:66px;height:2px;margin-bottom:11px;background:#97b7ff}
.collage-label strong{display:block;font-size:clamp(.875rem,1.22vw,1.0625rem);font-weight:650;line-height:1.4;letter-spacing:.035em;max-width:30ch}
.collage-label small{display:block;color:#e1e8f5;font-size:.75rem;line-height:1.65;margin-top:5px;max-width:40ch;letter-spacing:.025em}
.collage-label-orbit{top:9%}
.collage-label-flight{top:43%}
.collage-label-ground{top:78%}
.environment-collage figcaption{padding:15px 20px;font-size:.6875rem;letter-spacing:.08em;color:#c4cbd8;line-height:1.75;background:#080e1a;border-color:#23304a}
@media(min-width:1001px){.footer-main{grid-template-columns:1fr 1.35fr .7fr;gap:56px}}
@media(max-width:700px){
  .collage-label strong{font-size:clamp(.875rem,3vw,1.0625rem)}
  .collage-label small{font-size:.6875rem;max-width:34ch;line-height:1.5}
  .collage-rule{width:46px;margin-bottom:8px}
  .collage-label-ground{top:77%}
  .environment-collage figcaption{padding:13px 16px;font-size:.625rem;letter-spacing:.06em}
  .footer-wordmark .soulgci-logo{width:90px;height:90px}
}
.back-to-top{position:fixed;right:max(20px,env(safe-area-inset-right));bottom:max(20px,env(safe-area-inset-bottom));z-index:15;display:grid;place-items:center;width:50px;height:50px;padding:0;border:1px solid #637dd8;border-radius:50%;background:#173482;color:#fff;box-shadow:0 5px 22px rgba(0,0,0,.22);transition:background .2s ease,transform .2s ease}
.back-to-top:hover{background:#244799;transform:translateY(-3px)}
.back-to-top:focus-visible{outline:3px solid var(--text);outline-offset:4px}
.back-to-top .icon{width:24px;height:24px;stroke-width:1.8;transform:rotate(-90deg)}
.site-footer{padding-bottom:70px}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*:before,*:after{transition:none!important;animation:none!important}
  .will-reveal{opacity:1;transform:none;filter:none;clip-path:none}
}
@media print{
  .site-header,.hero-cta,.source-filters,.contact-section,.theme-button,.menu-button,.back-to-top{display:none!important}
  .wrap{width:100%}.section{padding-block:30px}.will-reveal{opacity:1;transform:none;filter:none;clip-path:none}
  body{color:#000;background:#fff;--text:#000;--muted:#3d3d42;--bg:#fff;--bg-soft:#fff;--surface:#fff;--surface-2:#fff;--line:#d8d8d4;--accent:#173482}
  .hero h1{font-size:44px}.applications-grid,.sources-grid{grid-template-columns:1fr 1fr}.application,.source,.output{break-inside:avoid}
  a[href^="https"]:after{content:" (" attr(href) ")";font-size:10px;overflow-wrap:anywhere}
  .source-links{display:block}.source-links a{display:block}.environment-figure{print-color-adjust:exact}.footer-bottom{border:0}
}