:root{
  --bg:#080b09;
  --bg-soft:#0d120f;
  --panel:#101612;
  --panel-2:#141c17;
  --panel-3:#18221c;
  --text:#f4f8f5;
  --muted:#93a098;
  --muted-2:#6d786f;
  --line:rgba(197,255,211,.11);
  --line-strong:rgba(83,242,122,.26);
  --accent:#53f27a;
  --accent-2:#a4ffba;
  --accent-dim:rgba(83,242,122,.09);
  --shadow:0 28px 80px rgba(0,0,0,.38);
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg)}
body{
  margin:0;
  background:
    radial-gradient(circle at 82% -10%,rgba(83,242,122,.10),transparent 28%),
    linear-gradient(180deg,#080b09 0%,#090d0a 100%);
  color:var(--text);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  line-height:1.65;
}
body:before{
  content:"";
  position:fixed;inset:0;pointer-events:none;z-index:-1;
  background-image:
    linear-gradient(rgba(255,255,255,.016) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.016) 1px,transparent 1px);
  background-size:36px 36px;
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.65),transparent 75%);
}
a{color:inherit}
.wrap{max-width:var(--max);margin:auto;padding:0 24px}

/* Header */
.site-header{
  position:sticky;top:0;z-index:20;
  background:rgba(8,11,9,.88);
  backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.nav{height:70px;display:flex;align-items:center;gap:24px}
.brand{
  display:flex;align-items:center;
  font-weight:860;text-decoration:none;letter-spacing:-.035em;font-size:1.12rem
}
.brand-mark{
  display:inline-grid;place-items:center;
  width:30px;height:30px;
  border:1px solid var(--line-strong);
  border-radius:8px;margin-right:10px;
  color:var(--accent);
  background:linear-gradient(145deg,rgba(83,242,122,.12),rgba(83,242,122,.03));
  box-shadow:0 0 24px rgba(83,242,122,.08);
  font:800 .78rem ui-monospace,SFMono-Regular,Menlo,monospace
}
.nav-links{display:flex;gap:20px;margin-left:auto;align-items:center}
.nav-links a{
  text-decoration:none;color:#a5b0a8;font-size:.9rem;font-weight:650
}
.nav-links a:hover{color:var(--text)}
.nav-cta{
  margin-left:4px!important;
  background:var(--accent)!important;
  color:#071109!important;
  padding:9px 14px!important;
  border-radius:9px!important;
  font-weight:850!important;
  border:1px solid var(--accent)!important;
  box-shadow:0 8px 28px rgba(83,242,122,.10)
}
.mobile-toggle{display:none}

/* Hero */
.hero{
  position:relative;overflow:hidden;
  padding:104px 0 72px;
  border-bottom:1px solid var(--line);
}
.hero:after{
  content:"";position:absolute;width:620px;height:620px;border-radius:50%;
  right:-180px;top:-260px;background:rgba(83,242,122,.09);filter:blur(90px);pointer-events:none
}
.eyebrow,.kicker{
  display:inline-flex;align-items:center;gap:9px;
  text-transform:uppercase;
  letter-spacing:.14em;color:var(--accent);
  font:800 .72rem/1.2 ui-monospace,SFMono-Regular,Menlo,monospace
}
.eyebrow:before,.kicker:before{
  content:"";width:7px;height:7px;border-radius:2px;background:var(--accent);
  box-shadow:0 0 16px rgba(83,242,122,.55)
}
h1,h2,h3{line-height:1.04;letter-spacing:-.045em}
h1{
  font-size:clamp(3rem,7.2vw,6.8rem);
  max-width:980px;margin:18px 0 24px;
  font-weight:880
}
h2{font-size:clamp(2rem,4.2vw,3.7rem);margin-top:64px}
h3{font-size:1.24rem;margin-top:22px}
.lede{font-size:1.16rem;color:#b8c2bb;max-width:790px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  text-decoration:none;font-weight:820;border-radius:10px;padding:13px 18px;
  border:1px solid var(--line);
  background:#111713;color:#dce4de;
  transition:.16s ease
}
.btn:hover{transform:translateY(-1px);border-color:var(--line-strong)}
.btn.primary{
  background:var(--accent);color:#061008;border-color:var(--accent);
  box-shadow:0 12px 36px rgba(83,242,122,.12)
}
.btn.primary:hover{box-shadow:0 15px 42px rgba(83,242,122,.18)}

/* Cards / sections */
.section{padding:48px 0 86px}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:14px}
.card{
  position:relative;overflow:hidden;
  grid-column:span 4;
  background:
    linear-gradient(180deg,rgba(255,255,255,.016),transparent),
    var(--panel);
  border:1px solid var(--line);
  border-radius:16px;padding:22px;
  text-decoration:none;
  box-shadow:0 1px 0 rgba(255,255,255,.015) inset;
  transition:.16s ease
}
.card:after{
  content:"";position:absolute;inset:auto 0 0;height:2px;
  background:linear-gradient(90deg,transparent,var(--accent),transparent);
  opacity:0;transition:.16s ease
}
.card:hover{
  border-color:var(--line-strong);
  transform:translateY(-2px);
  background:var(--panel-2)
}
.card:hover:after{opacity:.7}
.card h3{margin:8px 0 8px}
.card p{color:var(--muted);margin-bottom:0}
.muted{color:var(--muted)}
.badge{
  display:inline-flex;align-items:center;
  border:1px solid var(--line);
  border-radius:7px;padding:5px 8px;
  font:750 .69rem/1.2 ui-monospace,SFMono-Regular,Menlo,monospace;
  letter-spacing:.07em;text-transform:uppercase;
  color:#8e9b91;background:#0d120f
}

/* Article layout */
.article{max-width:900px;margin:0 auto;padding:62px 24px 96px}
.article h1{font-size:clamp(2.8rem,6vw,5.6rem);max-width:850px}
.article h2{
  position:relative;
  padding-top:6px;
}
.article h2:before{
  content:"";
  position:absolute;left:0;top:-12px;width:32px;height:2px;background:var(--accent)
}
.article p,.article li{color:#c0c9c2}
.article li::marker{color:var(--accent)}
.breadcrumbs{
  display:flex;flex-wrap:wrap;gap:6px;
  font:700 .74rem/1.4 ui-monospace,SFMono-Regular,Menlo,monospace;
  letter-spacing:.04em;color:var(--muted-2);margin-bottom:28px
}
.breadcrumbs a{color:#849087;text-decoration:none}
.breadcrumbs a:hover{color:var(--accent)}
.callout{
  background:linear-gradient(145deg,rgba(83,242,122,.065),rgba(255,255,255,.012));
  border:1px solid var(--line-strong);
  border-radius:15px;padding:21px;margin:30px 0;
  box-shadow:0 20px 50px rgba(0,0,0,.16)
}
.callout strong{color:var(--accent)}
.cta{
  position:relative;overflow:hidden;
  background:
    radial-gradient(circle at 92% 20%,rgba(83,242,122,.16),transparent 25%),
    linear-gradient(145deg,#111913,#0d120f);
  border:1px solid var(--line-strong);
  border-radius:18px;padding:30px;margin:42px 0;
  box-shadow:var(--shadow)
}
.cta:before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent)
}
.cta h2{margin:0 0 10px;padding:0}
.cta h2:before{display:none}
.cta p{color:#b9c3bc}
.note{
  font-size:.88rem;color:#a7b2aa;
  border-left:2px solid var(--accent);padding-left:14px
}

/* Tables */
table{
  width:100%;border-collapse:separate;border-spacing:0;
  margin:28px 0;font-size:.93rem;
  border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#0e130f
}
th,td{
  padding:14px 13px;border-bottom:1px solid var(--line);vertical-align:top;text-align:left
}
tr:last-child td{border-bottom:0}
th{
  color:#dfe7e1;background:#121914;
  font:800 .73rem/1.25 ui-monospace,SFMono-Regular,Menlo,monospace;
  letter-spacing:.055em;text-transform:uppercase
}
td{color:#b9c3bc}

/* Related / source */
.related{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.related a{
  display:block;text-decoration:none;border:1px solid var(--line);
  background:var(--panel);border-radius:13px;padding:16px
}
.related a:hover{border-color:var(--line-strong);background:var(--panel-2)}
.sources{font-size:.88rem;color:var(--muted)}
.sources a{color:#a7ffbb}

/* Footer */
footer{
  border-top:1px solid var(--line);
  background:#080b09;
  padding:46px 0;color:var(--muted);font-size:.9rem
}
.footgrid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px}
footer strong{color:#e3e9e4}
footer a{color:#a8b3ab;text-decoration:none}
footer a:hover{color:var(--accent)}

/* More Overskill-like micro-details */
::selection{background:var(--accent);color:#061008}
input,button{font:inherit}
hr{border:0;border-top:1px solid var(--line)}
code{
  color:#b9ffc9;background:#0d130f;border:1px solid var(--line);
  border-radius:6px;padding:.12em .38em
}

@media(max-width:780px){
  .nav-links{display:none}
  .mobile-toggle{
    display:block;margin-left:auto;background:#101612;
    border:1px solid var(--line);color:var(--text);
    border-radius:9px;padding:7px 10px
  }
  .nav.open .nav-links{
    display:flex;position:absolute;left:0;right:0;top:70px;
    background:#090d0a;padding:18px 22px;flex-direction:column;
    align-items:stretch;border-bottom:1px solid var(--line)
  }
  .nav.open .nav-links .nav-cta{text-align:center}
  .card{grid-column:span 12}
  .related{grid-template-columns:1fr}
  .footgrid{grid-template-columns:1fr}
  .hero{padding-top:72px}
  table{display:block;overflow-x:auto;white-space:normal}
}

/* App Builder Atlas × Overskill-congruent pre-sell overlay */
.os-presell{position:fixed;inset:0;z-index:9999;display:none;color:#f7faf7;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
.os-presell.is-open{display:block}
.os-presell__backdrop{position:absolute;inset:0;background:rgba(3,7,5,.93);backdrop-filter:blur(16px)}
.os-presell__panel{position:absolute;inset:18px;overflow:auto;background:
radial-gradient(circle at 82% 18%,rgba(72,255,120,.18),transparent 25%),
radial-gradient(circle at 30% 100%,rgba(72,255,120,.08),transparent 33%),
#101512;border:1px solid rgba(130,255,159,.22);border-radius:26px;box-shadow:0 30px 90px rgba(0,0,0,.55)}
.os-presell__panel:before{content:"";position:absolute;inset:0;pointer-events:none;border-radius:inherit;background-image:linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px);background-size:34px 34px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.8),transparent 80%)}
.os-presell__close{position:fixed;right:34px;top:34px;z-index:3;width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.14);background:#171d19;color:#e9f2ea;font-size:28px;line-height:1;cursor:pointer}
.os-presell__close:hover{border-color:#54f77e;color:#54f77e}
.os-presell__grid{position:relative;min-height:calc(100vh - 36px);display:grid;grid-template-columns:minmax(0,1.05fr) minmax(380px,.95fr);gap:56px;align-items:center;max-width:1280px;margin:0 auto;padding:70px 72px}
.os-presell__copy{max-width:690px}
.os-presell__brandline{display:flex;align-items:center;gap:10px;margin-bottom:50px;color:#91a096;font:700 11px/1.2 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.12em}
.os-presell__signal{width:12px;height:12px;border-radius:4px;background:#53f27a;box-shadow:0 0 22px rgba(83,242,122,.75);position:relative}
.os-presell__signal:after{content:"";position:absolute;width:4px;height:4px;background:#101512;left:4px;top:4px;border-radius:1px}
.os-presell__eyebrow{margin:0 0 16px;color:#53f27a;font:800 12px/1.2 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.16em}
.os-presell h2{margin:0;font-size:clamp(3rem,5.4vw,6.4rem);line-height:.92;letter-spacing:-.065em;font-weight:850;color:#f6f8f6}
.os-presell h2 span{color:#53f27a}
.os-presell__lead{max-width:660px;margin:26px 0 30px;color:#b8c2bb;font-size:clamp(1.05rem,1.45vw,1.25rem);line-height:1.58}
.os-presell__stack{display:grid;gap:9px}
.os-presell__stack-item{display:grid;grid-template-columns:34px minmax(135px,.55fr) 1fr;gap:15px;align-items:center;padding:12px 14px;border:1px solid rgba(255,255,255,.085);border-radius:12px;background:rgba(255,255,255,.025)}
.os-presell__stack-item>span{color:#53f27a;font:700 11px ui-monospace,SFMono-Regular,Menlo,monospace}
.os-presell__stack-item strong{font-size:.95rem}
.os-presell__stack-item small{color:#8f9c93;font-size:.82rem;line-height:1.35}
.os-presell__actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:30px}
.os-presell__cta{display:inline-flex;align-items:center;gap:22px;text-decoration:none;background:#53f27a;color:#07130a;border:1px solid #53f27a;border-radius:11px;padding:15px 18px;font-weight:850;box-shadow:0 10px 40px rgba(83,242,122,.16);transition:.18s ease}
.os-presell__cta:hover{transform:translateY(-2px);box-shadow:0 16px 48px rgba(83,242,122,.23)}
.os-presell__cta b{font-size:1.2rem}
.os-presell__skip{background:transparent;color:#9fac9f;border:0;border-bottom:1px solid #455148;padding:7px 0;cursor:pointer;font:650 13px inherit}
.os-presell__skip:hover{color:#fff;border-color:#fff}
.os-presell__disclosure{max-width:640px;margin:19px 0 0;color:#68756c;font-size:.72rem;line-height:1.45}
.os-presell__visual{position:relative;display:grid;place-items:center;min-height:540px}
.os-presell__terminal{position:relative;z-index:2;width:min(100%,510px);border-radius:20px;border:1px solid rgba(123,255,156,.22);background:rgba(12,17,14,.94);box-shadow:0 40px 100px rgba(0,0,0,.58),0 0 0 1px rgba(255,255,255,.02) inset;overflow:hidden;transform:rotate(1.2deg)}
.os-presell__terminal-top{height:48px;display:flex;align-items:center;gap:7px;padding:0 16px;border-bottom:1px solid rgba(255,255,255,.08);background:#151b17}
.os-presell__terminal-top>span{width:8px;height:8px;border-radius:50%;background:#354038}.os-presell__terminal-top>span:first-child{background:#53f27a}
.os-presell__terminal-top em{margin-left:auto;color:#78847b;font:700 10px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.12em;font-style:normal}
.os-presell__prompt{padding:23px 24px;border-bottom:1px solid rgba(255,255,255,.08)}
.os-presell__prompt small,.os-presell__build-head span{color:#53f27a;font:800 10px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.13em}
.os-presell__prompt p{margin:10px 0 6px;color:#e8eee9;font:600 16px/1.45 ui-monospace,SFMono-Regular,Menlo,monospace}
.os-presell__cursor{width:8px;height:17px;background:#53f27a;animation:osblink 1.05s steps(1) infinite}
@keyframes osblink{50%{opacity:.15}}
.os-presell__build{padding:22px 24px}
.os-presell__build-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.os-presell__build-head strong{font:800 10px ui-monospace,SFMono-Regular,Menlo,monospace;color:#53f27a;padding:5px 8px;border:1px solid rgba(83,242,122,.25);border-radius:5px;background:rgba(83,242,122,.06)}
.os-presell__build ul{list-style:none;padding:0;margin:0}
.os-presell__build li{display:grid;grid-template-columns:24px 1fr auto;align-items:center;padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.08)}
.os-presell__build li i{display:grid;place-items:center;width:17px;height:17px;border-radius:5px;background:rgba(83,242,122,.12);color:#53f27a;font-style:normal;font-size:10px}
.os-presell__build li span{font-size:.9rem;color:#cdd6cf}.os-presell__build li b{color:#7f8c82;font:700 9px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.1em}
.os-presell__status{display:grid;grid-template-columns:16px auto 1fr;gap:9px;align-items:center;padding:16px 24px;background:#53f27a;color:#07130a}
.os-presell__status strong{font:900 12px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.06em}.os-presell__status small{opacity:.7}
.os-presell__pulse{width:9px;height:9px;border-radius:50%;background:#07130a;box-shadow:0 0 0 5px rgba(7,19,10,.14)}
.os-presell__glow{position:absolute;width:460px;height:460px;border-radius:50%;background:rgba(83,242,122,.16);filter:blur(80px)}
body.os-presell-lock{overflow:hidden}
@media(max-width:960px){
  .os-presell__panel{inset:8px;border-radius:20px}
  .os-presell__grid{grid-template-columns:1fr;padding:62px 28px 48px;gap:30px;min-height:auto}
  .os-presell__brandline{margin-bottom:30px}
  .os-presell__visual{min-height:0}
  .os-presell__terminal{transform:none}
  .os-presell__close{right:20px;top:20px}
}
@media(max-width:620px){
  .os-presell__grid{padding:58px 18px 34px}
  .os-presell h2{font-size:clamp(2.6rem,14vw,4.2rem)}
  .os-presell__stack-item{grid-template-columns:30px 1fr}.os-presell__stack-item small{grid-column:2}
  .os-presell__visual{display:none}
  .os-presell__actions{align-items:stretch;flex-direction:column}.os-presell__cta{justify-content:space-between;width:100%}
  .os-presell__skip{align-self:center}
}
@media(prefers-reduced-motion:reduce){.os-presell__cursor{animation:none}.os-presell__cta{transition:none}}