:root{
  --black:#050506;
  --ink:#0a0b0d;
  --charcoal:#111318;
  --panel:#171a20;
  --soft:#f2f2ee;
  --muted:#aeb4bd;
  --line:rgba(255,255,255,.13);
  --line-dark:rgba(5,5,6,.12);
  --silver-1:#ffffff;
  --silver-2:#c9cdd3;
  --silver-3:#707782;
  --accent:#e7e8ea;
  --radius:28px;
  --ease:cubic-bezier(.2,.85,.2,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--black)}
body{
  margin:0;
  font-family:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color:#fff;
  background:
    radial-gradient(circle at 70% 10%, rgba(130,136,145,.22), transparent 36rem),
    radial-gradient(circle at 20% 40%, rgba(108,116,128,.13), transparent 26rem),
    var(--black);
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit}
.container{width:min(1180px,calc(100% - 42px));margin-inline:auto}
.section{position:relative;padding:112px 0;overflow:hidden}
.micro,.pill{
  display:inline-flex;align-items:center;gap:8px;
  color:#e9eaed;text-transform:uppercase;letter-spacing:.22em;
  font-size:11px;font-weight:800;
}
.micro:before,.pill:before{content:"";width:34px;height:1px;background:linear-gradient(90deg,#fff,rgba(255,255,255,.15))}
.micro.dark{color:#393d45}.micro.dark:before{background:linear-gradient(90deg,#0f1115,rgba(15,17,21,.1))}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:12px;
  min-height:52px;padding:0 24px;border-radius:100px;
  font-weight:800;font-size:14px;transition:transform .35s var(--ease), box-shadow .35s var(--ease), background .35s var(--ease);
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{color:#060607;background:linear-gradient(135deg,#fff,#b9bec6 54%,#f6f7f8);box-shadow:0 18px 60px rgba(255,255,255,.16)}
.btn-ghost{border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.045);backdrop-filter:blur(12px);color:#fff}
.noise{position:fixed;inset:0;pointer-events:none;z-index:2;opacity:.12;background-image:url('../assets/grid.svg');background-size:900px 360px;background-position:center top;mix-blend-mode:screen}
.ambient{position:fixed;border-radius:50%;filter:blur(80px);pointer-events:none;z-index:0;opacity:.22}
.ambient-1{width:410px;height:410px;right:-130px;top:80px;background:#8a929e}
.ambient-2{width:340px;height:340px;left:-110px;bottom:8%;background:#30343c}

.preloader{position:fixed;inset:0;z-index:999;background:#050506;display:grid;place-items:center;transition:opacity .7s var(--ease),visibility .7s var(--ease)}
.preloader img{width:min(280px,70vw);filter:drop-shadow(0 28px 50px rgba(0,0,0,.8))}
.loader-line{position:absolute;bottom:14%;left:50%;translate:-50% 0;width:210px;height:2px;background:rgba(255,255,255,.12);overflow:hidden;border-radius:4px}.loader-line span{display:block;height:100%;width:45%;background:linear-gradient(90deg,transparent,#fff,transparent);animation:load 1.1s infinite}@keyframes load{from{transform:translateX(-120%)}to{transform:translateX(280%)}}
.preloader.is-hidden{opacity:0;visibility:hidden}

.site-header{
  position:fixed;z-index:50;top:18px;left:50%;transform:translateX(-50%);
  width:min(1180px,calc(100% - 32px));height:68px;padding:0 10px 0 18px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  border:1px solid rgba(255,255,255,.12);border-radius:999px;
  background:rgba(6,7,8,.58);backdrop-filter:blur(22px);box-shadow:0 20px 70px rgba(0,0,0,.38);
  transition:height .35s var(--ease), background .35s var(--ease), border-color .35s var(--ease)
}
.site-header.is-scrolled{height:58px;background:rgba(6,7,8,.86);border-color:rgba(255,255,255,.18)}
.brand img{height:42px;width:auto;display:block}.site-header.is-scrolled .brand img{height:38px}
.nav{display:flex;gap:28px;align-items:center;color:#cdd0d5;font-size:13px;font-weight:700}.nav a{transition:color .2s}.nav a:hover{color:#fff}
.nav-cta{height:46px;padding:0 20px;display:inline-flex;align-items:center;border-radius:999px;background:#fff;color:#08090b;font-weight:850;font-size:13px}.site-header.is-scrolled .nav-cta{height:40px}
.menu-toggle{display:none;width:48px;height:48px;border:0;border-radius:50%;background:rgba(255,255,255,.08);position:relative}.menu-toggle span{position:absolute;left:14px;right:14px;height:2px;background:#fff}.menu-toggle span:first-child{top:18px}.menu-toggle span:last-child{bottom:18px}.mobile-menu{display:none}

.gate{min-height:100svh;display:flex;align-items:center;padding-top:132px;background:linear-gradient(180deg,rgba(5,5,6,.32),#050506 96%)}
.gate-bg{position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,5,6,.68),rgba(5,5,6,.46)),url('../assets/gravity-logo-scene.webp') center/cover no-repeat;opacity:.55;transform:scale(1.03)}
.gate-bg:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 50%,transparent 0,rgba(5,5,6,.15) 32%,#050506 78%)}
.gate-inner{position:relative;z-index:3;text-align:center}.gate h1{font-size:clamp(54px,10vw,154px);line-height:.86;letter-spacing:-.075em;margin:22px 0 18px;text-transform:uppercase}.gate-lead{max-width:760px;margin:0 auto 44px;color:#c4c8ce;font-size:18px;line-height:1.6}.gate-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;text-align:left}.gate-card{min-height:250px;display:flex;flex-direction:column;justify-content:space-between;border:1px solid rgba(255,255,255,.13);border-radius:28px;padding:28px;background:linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.035));box-shadow:inset 0 1px rgba(255,255,255,.08),0 30px 80px rgba(0,0,0,.24);transition:transform .45s var(--ease),border-color .45s var(--ease),background .45s var(--ease)}
.gate-card:hover{transform:translateY(-8px);border-color:rgba(255,255,255,.42);background:rgba(255,255,255,.12)}.gate-card small{color:#b4bac3;letter-spacing:.22em;font-weight:900}.gate-card h2{font-size:32px;letter-spacing:-.05em;margin:14px 0 12px}.gate-card p{color:#c4c8ce;line-height:1.55;margin:0}.gate-card span{font-size:13px;text-transform:uppercase;letter-spacing:.14em;font-weight:900;color:#fff}.gate-card.is-featured{background:linear-gradient(135deg,rgba(255,255,255,.2),rgba(255,255,255,.06));border-color:rgba(255,255,255,.36)}

.hero{min-height:900px;display:flex;align-items:center}.hero-image{position:absolute;inset:0;background:linear-gradient(90deg,#050506 0%,rgba(5,5,6,.9) 44%,rgba(5,5,6,.2)),url('../assets/gravity-logo-scene.webp') center/cover no-repeat;opacity:.42}.hero-image:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,#050506 0,transparent 20%,#050506 95%)}.hero-layout{position:relative;z-index:3;display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center}.hero-copy h2{font-size:clamp(58px,8vw,132px);line-height:.86;letter-spacing:-.08em;margin:26px 0 22px;max-width:880px;text-transform:uppercase}.hero-copy p{font-size:20px;line-height:1.65;color:#d0d4d9;max-width:720px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}.hero-panel{position:relative;min-height:560px;border:1px solid rgba(255,255,255,.08);border-radius:36px;background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));overflow:hidden;box-shadow:inset 0 1px rgba(255,255,255,.08),0 40px 140px rgba(0,0,0,.4)}.hero-panel:before{content:"";position:absolute;inset:-1px;background:url('../assets/grid.svg') center/120% auto no-repeat;opacity:.5}.orbit-wrap{position:absolute;inset:50%;width:560px;height:560px;transform:translate(-50%,-50%);animation:spin 25s linear infinite}.orbit-wrap img{width:100%;height:100%;opacity:.8}.signal-card{position:absolute;width:250px;border:1px solid rgba(255,255,255,.14);background:rgba(9,10,12,.66);backdrop-filter:blur(18px);border-radius:20px;padding:18px;box-shadow:0 24px 60px rgba(0,0,0,.36)}.signal-card strong{display:block;font-size:22px;letter-spacing:-.04em}.signal-card span{display:block;color:#b8bec7;line-height:1.45;font-size:14px;margin-top:6px}.card-a{left:42px;top:70px}.card-b{right:38px;top:230px}.card-c{left:80px;bottom:70px}@keyframes spin{to{transform:translate(-50%,-50%) rotate(360deg)}}

.marquee{height:86px;overflow:hidden;border-block:1px solid rgba(255,255,255,.09);background:#090a0d;display:flex;align-items:center}.marquee-track{display:flex;gap:44px;white-space:nowrap;animation:marquee 28s linear infinite}.marquee span{font-size:22px;text-transform:uppercase;letter-spacing:.11em;color:#e9ebee;font-weight:900}.marquee span:nth-child(even){color:#777e88}@keyframes marquee{to{transform:translateX(-50%)}}

.white-block,.system,.products{background:#f5f2ea;color:#090a0d}.white-block:before,.system:before,.products:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 0,rgba(0,0,0,.09),transparent 28rem),linear-gradient(135deg,rgba(0,0,0,.045) 1px,transparent 1px);background-size:auto,42px 42px;pointer-events:none}.split-head{position:relative;z-index:3;display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:end;margin-bottom:46px}.split-head h2,.system-head h2{font-size:clamp(42px,6vw,84px);letter-spacing:-.075em;line-height:.92;margin:14px 0 0}.split-head p{font-size:18px;line-height:1.7;color:#4f555f;margin:0 0 6px}.vertical-grid{position:relative;z-index:3;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.vertical-card{min-height:580px;background:#fff;border:1px solid rgba(0,0,0,.09);border-radius:34px;padding:32px;display:flex;flex-direction:column;box-shadow:0 25px 80px rgba(20,20,20,.08);transition:transform .45s var(--ease),box-shadow .45s var(--ease)}.vertical-card:hover{transform:translateY(-8px);box-shadow:0 45px 120px rgba(20,20,20,.13)}.vertical-card.main-card{background:#08090b;color:#fff;border-color:#242832;box-shadow:0 45px 120px rgba(0,0,0,.24)}.vertical-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:60px}.vertical-top small{font-size:13px;letter-spacing:.24em;color:#8a929e;font-weight:900}.vertical-top span{border:1px solid currentColor;border-radius:999px;padding:8px 12px;color:#7b818b;font-size:11px;text-transform:uppercase;letter-spacing:.14em;font-weight:900}.main-card .vertical-top span{color:#cdd1d7}.vertical-card h3{font-size:44px;letter-spacing:-.07em;line-height:.95;margin:0 0 16px}.vertical-card p{font-size:16px;line-height:1.6;color:#565d67;margin:0 0 28px}.main-card p{color:#c7ccd3}.vertical-card ul{list-style:none;margin:auto 0 0;padding:0;display:grid;gap:14px}.vertical-card li{padding-top:14px;border-top:1px solid rgba(0,0,0,.1);font-weight:750;color:#1d2025}.main-card li{border-top-color:rgba(255,255,255,.13);color:#f0f1f2}

.numbers{background:#050506;color:#fff}.numbers:before{content:"";position:absolute;inset:0;background:linear-gradient(rgba(5,5,6,.75),rgba(5,5,6,.88)),url('../assets/gravity-logo-scene.webp') center/cover no-repeat;opacity:.62}.numbers-layout{position:relative;z-index:3;display:grid;grid-template-columns:.82fr 1.18fr;gap:40px;align-items:center}.numbers h2{font-size:clamp(40px,5vw,76px);letter-spacing:-.07em;line-height:.92;margin:16px 0 0}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.metric{min-height:230px;border:1px solid rgba(255,255,255,.13);border-radius:24px;padding:22px;background:linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.03));display:flex;flex-direction:column;justify-content:space-between}.metric strong{font-size:64px;line-height:.9;letter-spacing:-.09em}.metric span{color:#c0c5cc;line-height:1.45;font-weight:700}

.system-head{position:relative;z-index:3;text-align:center;max-width:890px;margin:0 auto 54px}.system-grid{position:relative;z-index:3;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.system-card{min-height:360px;border-radius:30px;padding:28px;background:#101217;color:#fff;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden;position:relative}.system-card:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at top right,rgba(255,255,255,.22),transparent 18rem);opacity:.45}.system-card span{position:relative;color:#8c929c;font-size:12px;font-weight:900;letter-spacing:.24em}.system-card h3{position:relative;font-size:32px;letter-spacing:-.06em;margin:auto 0 12px}.system-card p{position:relative;color:#bec3ca;line-height:1.6;margin:0}

.dark-band{background:#050506;color:#fff}.dark-band:before{content:"";position:absolute;inset:0;background:url('../assets/grid.svg') center/cover no-repeat;opacity:.35}.case-layout{position:relative;z-index:3;display:grid;grid-template-columns:.95fr 1.05fr;gap:44px;align-items:center}.case-media{min-height:560px;border:1px solid rgba(255,255,255,.1);border-radius:36px;background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02)),url('../assets/gravity-logo-scene.webp') center/cover no-repeat;position:relative;overflow:hidden}.case-media:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent,rgba(5,5,6,.92))}.case-card{position:absolute;z-index:2;left:26px;right:26px;bottom:26px;padding:28px;border-radius:26px;background:rgba(9,10,13,.72);backdrop-filter:blur(18px);border:1px solid rgba(255,255,255,.13)}.case-card span{font-size:12px;letter-spacing:.2em;color:#aeb4bd;font-weight:900}.case-card h2{font-size:52px;letter-spacing:-.07em;margin:10px 0}.case-card p{color:#d4d8de;line-height:1.55;margin:0}.case-copy h2{font-size:clamp(44px,5.6vw,88px);letter-spacing:-.08em;line-height:.92;margin:18px 0}.case-copy p{font-size:18px;line-height:1.75;color:#c2c7ce}.case-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:32px}.case-steps span{border:1px solid rgba(255,255,255,.13);border-radius:999px;padding:13px 14px;text-align:center;color:#e8eaed;font-weight:800;background:rgba(255,255,255,.045)}

.product-grid{position:relative;z-index:3;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.product-card{min-height:250px;padding:28px;border-radius:30px;background:#fff;border:1px solid rgba(0,0,0,.08);box-shadow:0 20px 70px rgba(0,0,0,.07);display:flex;flex-direction:column;justify-content:flex-end;position:relative;overflow:hidden}.product-card:before{content:"";position:absolute;top:-80px;right:-70px;width:190px;height:190px;border-radius:50%;background:linear-gradient(135deg,#fff,#a5abb4,#30343b);opacity:.22}.product-card h3{font-size:34px;letter-spacing:-.06em;margin:0 0 12px}.product-card p{color:#535a63;line-height:1.6;margin:0}

.method{background:#050506;color:#fff}.method:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 30% 20%,rgba(255,255,255,.12),transparent 25rem),url('../assets/grid.svg') center bottom/1100px auto no-repeat;opacity:.55}.method-layout{position:relative;z-index:3;display:grid;grid-template-columns:.82fr 1.18fr;gap:70px}.method-title{position:sticky;top:140px;align-self:start}.method-title h2{font-size:clamp(42px,6vw,84px);line-height:.92;letter-spacing:-.08em;margin:18px 0}.method-title p{font-size:18px;color:#c3c8cf;line-height:1.7}.timeline{display:grid;gap:16px}.timeline-item{padding:32px;border-radius:28px;border:1px solid rgba(255,255,255,.12);background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.025))}.timeline-item small{color:#9299a4;letter-spacing:.22em;font-weight:900}.timeline-item h3{font-size:38px;letter-spacing:-.06em;margin:22px 0 10px}.timeline-item p{color:#c1c6cd;line-height:1.6;margin:0}

.cta{background:#f5f2ea;color:#090a0d}.cta:before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(245,242,234,.64),rgba(245,242,234,.95)),url('../assets/gravity-logo-scene.webp') center/cover no-repeat;opacity:.3}.cta-box{position:relative;z-index:3;display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center;padding:54px;border-radius:42px;background:#08090b;color:#fff;box-shadow:0 60px 160px rgba(0,0,0,.2);overflow:hidden}.cta-box:before{content:"";position:absolute;inset:0;background:url('../assets/grid.svg') center/cover no-repeat;opacity:.18}.cta-box>*{position:relative}.cta h2{font-size:clamp(44px,6vw,82px);letter-spacing:-.08em;line-height:.92;margin:18px 0}.cta p{font-size:18px;line-height:1.7;color:#c7ccd3}.lead-form{display:grid;gap:14px;padding:22px;border:1px solid rgba(255,255,255,.12);border-radius:28px;background:rgba(255,255,255,.055);backdrop-filter:blur(18px)}.lead-form label{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:#b7bec8;font-weight:900;display:grid;gap:8px}.lead-form input,.lead-form select{height:52px;border:1px solid rgba(255,255,255,.14);border-radius:14px;background:rgba(0,0,0,.28);color:#fff;padding:0 14px;outline:none}.lead-form input::placeholder{color:#747b86}.lead-form select option{color:#111}.lead-form small{color:#9aa1ab;line-height:1.5}

.footer{background:#050506;color:#9da3ad;border-top:1px solid rgba(255,255,255,.09);padding:34px 0}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}.footer img{height:42px}.footer p{margin:0;font-size:13px}.footer a{font-size:13px;color:#fff;font-weight:800}

.reveal{opacity:0;transform:translateY(28px);transition:opacity .75s var(--ease), transform .75s var(--ease)}.reveal.in-view{opacity:1;transform:translateY(0)}

@media (max-width:1000px){
  .desktop-nav,.nav-cta{display:none}.menu-toggle{display:block}.mobile-menu{position:fixed;z-index:49;top:94px;left:22px;right:22px;display:grid;gap:2px;padding:12px;border:1px solid rgba(255,255,255,.12);border-radius:24px;background:rgba(8,9,11,.92);backdrop-filter:blur(22px);opacity:0;visibility:hidden;transform:translateY(-12px);transition:.3s var(--ease)}.mobile-menu.is-open{opacity:1;visibility:visible;transform:translateY(0)}.mobile-menu a{padding:16px;border-radius:16px;color:#fff;font-weight:800}.mobile-menu a:hover{background:rgba(255,255,255,.08)}
  .gate-grid,.vertical-grid,.numbers-layout,.case-layout,.method-layout,.cta-box,.hero-layout,.split-head{grid-template-columns:1fr}.hero-panel{min-height:480px}.metric-grid,.system-grid,.product-grid{grid-template-columns:repeat(2,1fr)}.method-title{position:relative;top:auto}.case-steps{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:680px){
  .container{width:min(100% - 28px,1180px)}.section{padding:76px 0}.site-header{top:12px;width:calc(100% - 22px);height:58px;padding-left:12px}.brand img{height:34px}.gate{padding-top:96px}.gate h1,.hero-copy h2{font-size:clamp(48px,15vw,82px)}.gate-card{min-height:210px}.hero{min-height:auto}.hero-copy p{font-size:17px}.hero-panel{min-height:430px}.orbit-wrap{width:440px;height:440px}.signal-card{width:220px}.card-a{left:18px;top:50px}.card-b{right:18px;top:195px}.card-c{left:24px;bottom:42px}.metric-grid,.system-grid,.product-grid{grid-template-columns:1fr}.metric{min-height:170px}.vertical-card{min-height:auto}.vertical-card h3{font-size:38px}.split-head h2,.system-head h2,.method-title h2,.case-copy h2,.cta h2{font-size:clamp(38px,12vw,62px)}.cta-box{padding:26px;border-radius:30px}.footer-inner{flex-direction:column;text-align:center}.marquee span{font-size:16px}.marquee{height:64px}
}