:root{
  --k:#000;            
  --k2:#1d1d1f;        
  --k3:#111113;        
  --w:#f5f5f7;         
  --grey:#86868b;      
  --grey-2:#6e6e73;
  --hair:rgba(255,255,255,.14);
  --blue:#3d7aff;      
  --blue-hi:#6f9cff;
  --navy:#083775;
  --sf:"SF Pro Display","SF Pro Text",-apple-system,BlinkMacSystemFont,
       "Helvetica Neue",Helvetica,"Segoe UI",Roboto,Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
  --ease:cubic-bezier(.28,.11,.32,1);   
  --gut:clamp(22px,5vw,80px);
  --text-w:980px;      
  --media-w:1680px;
}
*,*::before,*::after{ box-sizing:border-box; }
html{ background:var(--k); scroll-behavior:smooth; }
body{
  margin:0; background:var(--k); color:var(--w);
  font-family:var(--sf); font-weight:400;
  -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
body.lock{ overflow:hidden; }
img{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; color:inherit; background:none; border:0; cursor:pointer; }
::selection{ background:var(--blue); color:#fff; }
.t-eyebrow{ font-size:clamp(15px,1.35vw,19px); font-weight:600; letter-spacing:-.01em; color:var(--blue-hi); margin:0 0 .35em; }
.t-huge{ font-size:clamp(34px,5.4vw,78px); font-weight:600; line-height:1.04; letter-spacing:-.025em; margin:0; }
.t-head{ font-size:clamp(27px,3.6vw,52px); font-weight:600; line-height:1.06; letter-spacing:-.022em; margin:0; }
.t-sub{  font-size:clamp(21px,2.4vw,34px); font-weight:600; line-height:1.12; letter-spacing:-.02em; margin:0; }
.t-lead{ font-size:clamp(16px,1.25vw,20px); line-height:1.42; color:var(--grey); font-weight:400; margin:0; }
.t-body{ font-size:clamp(15px,.95vw,17px); line-height:1.52; color:var(--grey); margin:0; }
.t-small{ font-size:13px; line-height:1.5; color:var(--grey-2); margin:0; }
.t-kicker{ font-family:var(--mono); font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--grey-2); margin:0; }
.center{ text-align:center; }
.measure{ max-width:var(--text-w); margin-inline:auto; }
.measure-sm{ max-width:720px; margin-inline:auto; }
.band{ position:relative; padding-block:clamp(80px,13vh,180px); padding-inline:var(--gut); }
.band--k2{ background:var(--k2); }
.band--tight{ padding-block:clamp(56px,8vh,110px); }
.shell{ width:100%; max-width:var(--media-w); margin-inline:auto; }
.r{ opacity:0; transform:translateY(24px); transition:opacity .9s var(--ease),transform .9s var(--ease); }
.r.in{ opacity:1; transform:none; }
.r-scale{ opacity:0; transform:scale(.94); transition:opacity 1.1s var(--ease),transform 1.1s var(--ease); }
.r-scale.in{ opacity:1; transform:none; }
.nav{
  position:fixed; top:0; left:0; right:0; z-index:900; height:48px;
  background:rgba(0,0,0,.72); -webkit-backdrop-filter:saturate(180%) blur(20px); backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav__in{ max-width:1240px; height:100%; margin-inline:auto; padding-inline:22px; display:flex; align-items:center; justify-content:space-between; gap:14px; }
.nav__brand{ display:flex; align-items:center; gap:9px; }
.nav__brand img{ width:19px; height:19px; }
.nav__brand b{ font-size:15px; font-weight:600; letter-spacing:-.01em; }
.nav__links{ display:flex; align-items:center; gap:clamp(14px,2.4vw,34px); }
@media (max-width:833px){ .nav__links{ display:none; } }
.nav__links a{ font-size:12px; color:#e8e8ed; opacity:.86; transition:opacity .25s var(--ease); }
.nav__links a:hover{ opacity:1; }
.nav__cta{ font-size:12px; padding:5px 12px; border-radius:980px; background:var(--blue); color:#fff; }
.nav__burger{ display:none; width:34px; height:34px; place-items:center; }
@media (max-width:833px){ .nav__burger{ display:grid; } }
.nav__burger i{ display:block; width:17px; height:1px; background:#e8e8ed; transition:transform .4s var(--ease),opacity .3s; }
.nav__burger i+i{ margin-top:5px; }
.nav__burger.on i:nth-child(1){ transform:translateY(3px) rotate(45deg); }
.nav__burger.on i:nth-child(2){ opacity:0; }
.nav__burger.on i:nth-child(3){ transform:translateY(-3px) rotate(-45deg); }
.sheet{
  position:fixed; inset:48px 0 0; z-index:890; padding:26px var(--gut) 40px;
  background:rgba(0,0,0,.92); -webkit-backdrop-filter:blur(24px); backdrop-filter:blur(24px);
  opacity:0; visibility:hidden; transform:translateY(-8px);
  transition:opacity .4s var(--ease),transform .4s var(--ease),visibility .4s;
  overflow-y:auto;
}
.sheet.on{ opacity:1; visibility:visible; transform:none; }
.sheet a{ display:block; padding:16px 0; font-size:22px; font-weight:600; letter-spacing:-.02em; border-bottom:1px solid rgba(255,255,255,.1); }
.sheet a small{ display:block; margin-top:3px; font-size:12px; font-weight:400; color:var(--grey); letter-spacing:0; }
.cta{ display:inline-flex; align-items:center; gap:6px; padding:12px 23px; border-radius:980px;
  font-size:17px; line-height:1.2; background:var(--blue); color:#fff;
  transition:background-color .25s var(--ease),transform .25s var(--ease); }
.cta:hover{ background:#5a8dff; }
.cta:active{ transform:scale(.97); }
.cta--ghost{ background:transparent; color:var(--blue-hi); padding-inline:0; }
.cta--ghost:hover{ background:transparent; color:#9dbaff; }
.cta--ghost .chev{ transition:transform .25s var(--ease); }
.cta--ghost:hover .chev{ transform:translateX(3px); }
.cta-row{ display:flex; flex-wrap:wrap; gap:14px 30px; align-items:center; justify-content:center; }
.hero{ position:relative; min-height:100svh; display:flex; flex-direction:column; align-items:center; justify-content:center; padding:110px var(--gut) 0; overflow:hidden; text-align:center; }
.hero__title{ position:relative; z-index:3; }
.hero__sub{ position:relative; z-index:3; margin:22px auto 30px; max-width:34ch; }
.hero__ctas{ position:relative; z-index:3; }
.core{ position:relative; z-index:2; width:min(78vw,560px); aspect-ratio:1; margin:clamp(24px,5vh,60px) auto 0; }
.core__ring{ position:absolute; inset:0; border-radius:50%; border:1px solid rgba(120,160,255,.22); }
.core__ring:nth-child(2){ inset:11%; border-color:rgba(120,160,255,.3); }
.core__ring:nth-child(3){ inset:23%; border-color:rgba(120,160,255,.4); }
.core__ring:nth-child(4){ inset:35%; border-color:rgba(120,160,255,.52); }
.core__glow{ position:absolute; inset:12%; border-radius:50%;
  background:radial-gradient(circle,rgba(61,122,255,.5),rgba(8,55,117,.22) 45%,transparent 70%);
  filter:blur(28px); }
.core__chip{ position:absolute; inset:41%; border-radius:22%;
  background:linear-gradient(145deg,#4d84ff,#0d2f70);
  box-shadow:0 0 60px rgba(61,122,255,.65), inset 0 1px 0 rgba(255,255,255,.4); }
.core__chip::after{ content:'ZAC'; position:absolute; inset:0; display:grid; place-items:center;
  font-size:clamp(11px,1.3vw,17px); font-weight:600; letter-spacing:.1em; color:#fff; }
.hero__wash{ position:absolute; left:50%; top:52%; width:min(150vw,1500px); aspect-ratio:1; transform:translate(-50%,-50%);
  background:radial-gradient(circle,rgba(61,122,255,.20),rgba(8,55,117,.07) 38%,transparent 66%); z-index:1; pointer-events:none; }
.pin{ position:relative; }
.pin__stage{ position:sticky; top:0; height:100svh; display:grid; place-items:center; overflow:hidden; }
.pin__copy{ position:absolute; z-index:4; text-align:center; padding-inline:var(--gut); max-width:900px; }
.pin__slide{ position:absolute; inset:0; display:grid; place-items:center; opacity:0; transform:scale(1.04); transition:opacity .7s var(--ease),transform .7s var(--ease); padding:96px var(--gut); }
.pin__slide.on{ opacity:1; transform:none; }
.pin__prog{ position:absolute; left:50%; bottom:34px; transform:translateX(-50%); display:flex; gap:7px; z-index:5; }
.pin__prog i{ width:26px; height:3px; border-radius:3px; background:rgba(255,255,255,.22); transition:background-color .4s var(--ease); }
.pin__prog i.on{ background:var(--w); }
.well{ position:relative; border-radius:clamp(16px,2vw,30px); overflow:hidden; background:var(--k3); border:1px solid var(--hair); }
.well img{ width:100%; height:100%; object-fit:cover; }
.well--tall{ aspect-ratio:4/5; }
.well--wide{ aspect-ratio:16/9; }
.well__cap{ position:absolute; left:0; right:0; bottom:0; padding:clamp(20px,2.4vw,38px);
  background:linear-gradient(180deg,transparent,rgba(0,0,0,.86)); }
.well__cap h3{ margin:0 0 6px; font-size:clamp(20px,2vw,30px); font-weight:600; letter-spacing:-.02em; }
.chrome{ border-radius:12px; overflow:hidden; border:1px solid var(--hair); background:#0c0c0e; max-width:640px; margin-inline:auto; }
.chrome__bar{ display:flex; align-items:center; gap:6px; padding:9px 12px; background:#161618; border-bottom:1px solid var(--hair); }
.chrome__bar i{ width:9px; height:9px; border-radius:50%; background:#3a3a3d; }
.chrome__bar span{ margin-left:8px; font-family:var(--mono); font-size:10px; color:var(--grey-2); }
.chrome img{ width:100%; height:auto; display:block; }
.tiles{ display:grid; gap:clamp(12px,1.4vw,22px); grid-template-columns:repeat(3,1fr); }
@media (max-width:1023px){ .tiles{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:719px){ .tiles{ grid-template-columns:1fr; } }
.tile{ position:relative; background:var(--k3); border:1px solid var(--hair); border-radius:clamp(16px,1.6vw,26px);
  padding:clamp(28px,2.8vw,44px); min-height:clamp(280px,26vw,360px); display:flex; flex-direction:column; overflow:hidden;
  transition:border-color .5s var(--ease),transform .5s var(--ease); }
.tile:hover{ border-color:rgba(120,160,255,.42); transform:translateY(-3px); }
.tile__ico{ width:34px; height:34px; color:var(--blue-hi); }
.tile__t{ margin:auto 0 10px; padding-top:30px; font-size:clamp(20px,1.7vw,26px); font-weight:600; letter-spacing:-.02em; }
.tile__go{ margin-top:18px; font-size:15px; color:var(--blue-hi); }
.specs{ border-top:1px solid var(--hair); }
.spec{ display:grid; grid-template-columns:64px 1fr 1.1fr; gap:22px; align-items:baseline;
  padding:clamp(22px,2.4vw,34px) 0; border-bottom:1px solid var(--hair); }
@media (max-width:860px){ .spec{ grid-template-columns:44px 1fr; } .spec__d{ grid-column:2; } }
.spec__n{ font-family:var(--mono); font-size:11px; letter-spacing:.12em; color:var(--grey-2); }
.spec__t{ display:flex; align-items:baseline; gap:12px; flex-wrap:wrap; }
.spec__t h3{ margin:0; font-size:clamp(19px,1.7vw,26px); font-weight:600; letter-spacing:-.02em; }
.spec__tag{ font-family:var(--mono); font-size:10px; letter-spacing:.1em; text-transform:uppercase; color:var(--blue-hi); padding:3px 8px; border:1px solid rgba(61,122,255,.34); border-radius:980px; }
.rail{ display:flex; gap:clamp(12px,1.4vw,22px); overflow-x:auto; scroll-snap-type:x mandatory;
  padding-inline:var(--gut); margin-inline:calc(var(--gut) * -1); padding-bottom:12px;
  scrollbar-width:none; }
.rail::-webkit-scrollbar{ display:none; }
.rail__card{ flex:0 0 min(76vw,460px); scroll-snap-align:center; background:var(--k3);
  border:1px solid var(--hair); border-radius:clamp(16px,1.6vw,26px); overflow:hidden;
  transition:border-color .5s var(--ease); }
.rail__card:hover{ border-color:rgba(120,160,255,.42); }
.rail__body{ padding:clamp(20px,2vw,30px); }
.rail__body h3{ margin:0 0 8px; font-size:clamp(20px,1.7vw,26px); font-weight:600; letter-spacing:-.02em; }
.rail__k{ display:flex; gap:8px; margin-top:14px; padding-top:14px; border-top:1px solid var(--hair); }
.rail__k svg{ width:15px; height:15px; flex:none; margin-top:2px; color:var(--blue-hi); }
.rail__nav{ display:flex; gap:8px; justify-content:flex-end; margin-top:18px; }
.rail__nav button{ width:36px; height:36px; border-radius:50%; background:rgba(255,255,255,.1); display:grid; place-items:center; transition:background-color .25s var(--ease); }
.rail__nav button:hover{ background:rgba(255,255,255,.18); }
.rail__nav svg{ width:16px; height:16px; }
.mq{ position:relative; overflow:hidden; padding-block:clamp(16px,2.4vh,34px); }
.mq__t{ display:flex; width:max-content; align-items:center; will-change:transform; }
.mq__i{ display:grid; place-items:center; padding-inline:clamp(30px,4vw,70px); flex:none; }
.mq__i img{ height:clamp(90px,9.4vw,150px); width:auto; object-fit:contain; opacity:.9; transition:opacity .4s var(--ease),transform .4s var(--ease); }
.mq__i:hover img{ opacity:1; transform:scale(1.04); }
.mq__i--flip img{ filter:invert(1) hue-rotate(180deg); }
.mq__f{ position:absolute; top:0; bottom:0; width:clamp(50px,10vw,170px); z-index:2; pointer-events:none; }
.mq__f--l{ left:0; background:linear-gradient(90deg,var(--k),transparent); }
.mq__f--r{ right:0; background:linear-gradient(270deg,var(--k),transparent); }
.band--k2 .mq__f--l{ background:linear-gradient(90deg,var(--k2),transparent); }
.band--k2 .mq__f--r{ background:linear-gradient(270deg,var(--k2),transparent); }
.foot{ background:var(--k2); padding:clamp(40px,6vh,70px) var(--gut); }
.foot__in{ max-width:1240px; margin-inline:auto; }
.foot__legal{ padding-bottom:22px; border-bottom:1px solid rgba(255,255,255,.1); }
.foot__cols{ display:grid; grid-template-columns:repeat(4,1fr); gap:30px; padding-block:30px; }
@media (max-width:860px){ .foot__cols{ grid-template-columns:1fr 1fr; } }
@media (max-width:520px){ .foot__cols{ grid-template-columns:1fr; } }
.foot h4{ margin:0 0 12px; font-size:12px; font-weight:600; color:var(--w); }
.foot__links{ display:flex; flex-direction:column; gap:9px; }
.foot__links a{ font-size:12px; color:var(--grey); transition:color .25s var(--ease); width:fit-content; }
.foot__links a:hover{ color:var(--w); text-decoration:underline; }
.foot__bar{ display:flex; flex-wrap:wrap; gap:10px 24px; justify-content:space-between; padding-top:18px; border-top:1px solid rgba(255,255,255,.1); }
.ph{ position:absolute; left:12px; top:12px; z-index:5; font-family:var(--mono); font-size:9px; letter-spacing:.1em;
  text-transform:uppercase; color:#fff; background:rgba(0,0,0,.66); border:1px solid rgba(255,255,255,.3);
  padding:4px 8px; border-radius:5px; }
@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:.001ms !important; transition-duration:.001ms !important; }
  .r,.r-scale{ opacity:1 !important; transform:none !important; }
  .pin__slide{ opacity:1 !important; position:relative; transform:none !important; }
  .pin__stage{ position:relative; height:auto; }
}