/* Kali Guide — layout: nav, hero, sections, footer */
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:20px}
.wrap{padding-block:clamp(56px,8vw,104px)}
.wrap.tight{padding-block:clamp(40px,5vw,64px)}
section[id]{scroll-margin-top:96px}

/* header */
.site-head{
  position:sticky;top:0;z-index:60;
  background:rgba(5,7,13,.72);backdrop-filter:blur(16px) saturate(150%);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid rgba(255,255,255,.07);
}
.site-head .inner{display:flex;align-items:center;gap:18px;height:var(--nav-h)}
.brand{display:flex;align-items:center;gap:11px;font-weight:700;color:var(--text);flex:0 0 auto}
.brand:hover{color:var(--text)}
.brand .mark{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(61,155,255,.28),rgba(46,230,168,.18));
  border:1px solid rgba(61,155,255,.4);color:var(--primary);
}
.brand .txt{display:flex;flex-direction:column;line-height:1.15}
.brand b{font-size:1rem;letter-spacing:-.01em}
.brand small{font-size:.68rem;color:var(--text-3);font-family:var(--mono);letter-spacing:.08em}
.nav{margin-inline-start:auto;display:flex;align-items:center;gap:4px}
.nav a{
  padding:9px 13px;border-radius:10px;font-size:.9rem;color:var(--text-2);
  transition:.2s ease;white-space:nowrap;
}
.nav a:hover{color:var(--text);background:rgba(255,255,255,.06)}
.nav a.active{color:var(--primary);background:rgba(61,155,255,.12)}
.burger{
  display:none;margin-inline-start:auto;padding:9px;border-radius:10px;cursor:pointer;
  background:rgba(255,255,255,.06);border:1px solid var(--border);color:var(--text);line-height:0;
}
.mnav{display:none;border-top:1px solid var(--border);padding:10px 0 16px}
.mnav.open{display:block}
.mnav a{display:block;padding:12px 4px;color:var(--text-2);border-bottom:1px solid rgba(255,255,255,.05)}
.mnav a.active{color:var(--primary)}

/* hero */
.hero{position:relative;padding-block:clamp(52px,7vw,92px)}
.hero .split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,4vw,56px);align-items:center}
.hero h1 .grad{
  background:linear-gradient(100deg,#fff 12%,#7cc0ff 52%,#2ee6a8 96%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero .lead{margin-bottom:1.5em}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
.btn{
  display:inline-flex;align-items:center;gap:9px;padding:13px 22px;border-radius:12px;
  font-weight:600;font-size:.94rem;cursor:pointer;border:1px solid transparent;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease;font-family:inherit;
}
.btn:hover{transform:translateY(-2px)}
.btn-p{background:linear-gradient(120deg,var(--primary),#2b7fe0);color:#04101f;box-shadow:0 12px 30px -14px rgba(61,155,255,.9)}
.btn-p:hover{color:#04101f;box-shadow:0 16px 38px -12px rgba(61,155,255,1)}
.btn-o{background:rgba(255,255,255,.05);border-color:var(--border-strong);color:var(--text)}
.btn-o:hover{background:rgba(255,255,255,.1);color:var(--text)}
.btn-g{background:linear-gradient(120deg,var(--accent),#1fae81);color:#03130e}
.btn-g:hover{color:#03130e}

/* stats strip */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-top:6px}
.stat{padding:18px;border-radius:var(--r);background:var(--surface);border:1px solid var(--border)}
.stat b{display:block;font-size:1.7rem;font-family:var(--mono);color:var(--primary);line-height:1.2}
.stat span{font-size:.84rem;color:var(--text-3)}

/* section head */
.shead{max-width:76ch;margin-bottom:clamp(28px,4vw,46px)}
.shead.center{margin-inline:auto;text-align:center}
.shead.center .lead{margin-inline:auto}

/* page hero (inner pages) */
.phead{padding-block:clamp(44px,6vw,76px) clamp(24px,3vw,36px);border-bottom:1px solid rgba(255,255,255,.06)}
.phead h1{max-width:26ch}
.crumb{font-family:var(--mono);font-size:.78rem;color:var(--text-3);margin-bottom:18px}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--primary)}

/* prose */
.prose{max-width:78ch}
.prose h2{margin-top:1.9em;padding-top:.2em}
.prose h2:first-child{margin-top:0}
.prose h3{margin-top:1.5em;color:#cfe0f7}
.prose ul,.prose ol{padding-inline-start:1.5em}

/* split layout w/ sticky side */
.side{display:grid;grid-template-columns:1fr 288px;gap:clamp(24px,3vw,44px);align-items:start}
.toc{position:sticky;top:96px;padding:18px;border-radius:var(--r);
  background:var(--surface);border:1px solid var(--border);font-size:.88rem}
.toc h4{font-family:var(--mono);font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:var(--text-3)}
.toc a{display:block;padding:7px 10px;border-radius:8px;color:var(--text-2);border-inline-start:2px solid transparent}
.toc a:hover{background:rgba(255,255,255,.05);color:var(--text);border-inline-start-color:var(--primary)}

/* footer */
.site-foot{margin-top:clamp(50px,7vw,90px);border-top:1px solid rgba(255,255,255,.07);
  background:rgba(4,6,11,.6);padding-block:42px 26px}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;margin-bottom:32px}
.site-foot h4{font-size:.78rem;font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--text-3)}
.site-foot a{display:block;color:var(--text-2);font-size:.9rem;padding:4px 0}
.site-foot a:hover{color:var(--primary)}
.fbottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  padding-top:20px;border-top:1px solid rgba(255,255,255,.06);font-size:.82rem;color:var(--text-3)}

/* reveal animation */
.rv{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.3,1)}
.rv.in{opacity:1;transform:none}
.rv.d1{transition-delay:.08s}.rv.d2{transition-delay:.16s}.rv.d3{transition-delay:.24s}
.rv.d4{transition-delay:.32s}

/* responsive */
@media (max-width:1024px){
  .hero .split{grid-template-columns:1fr}
  .side{grid-template-columns:1fr}
  .toc{position:static;order:2}
  .fgrid{grid-template-columns:1fr 1fr}
}
@media (max-width:880px){
  .nav{display:none}
  .burger{display:block}
  body{font-size:16.5px}
}
@media (max-width:620px){
  .fgrid{grid-template-columns:1fr}
  .cta .btn{flex:1;justify-content:center}
  .term-body{font-size:.78rem;padding:14px}
  .stat b{font-size:1.45rem}
  .g4,.g3,.g2{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
  .rv{opacity:1;transform:none}
}
::-webkit-scrollbar{width:11px;height:11px}
::-webkit-scrollbar-track{background:#05070d}
::-webkit-scrollbar-thumb{background:rgba(61,155,255,.32);border-radius:9px;border:2px solid #05070d}
::-webkit-scrollbar-thumb:hover{background:rgba(61,155,255,.55)}