/*!
 * ProjectX DEX Guide
 * Theme: projectx-guide  (independent, non-official)
 */
:root{
  --ink:#0B0E11;
  --ink-soft:#27313A;
  --muted:#5C6873;
  --bg:#F4F7F4;
  --bg-2:#EAF0EA;
  --surface:#FFFFFF;
  --line:rgba(11,14,17,.10);
  --line-2:rgba(11,14,17,.06);
  --green:#15D85B;
  --green-2:#0FB94C;
  --green-ink:#05250F;
  --green-soft:#E4FBEC;
  --dark:#0B0E11;
  --dark-2:#11161B;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 18px 40px -22px rgba(7,32,15,.45);
  --shadow-sm:0 6px 18px -10px rgba(7,32,15,.35);
  --shell:1180px;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --head:"Space Grotesk","Inter",system-ui,sans-serif;
  --body:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--body);color:var(--ink);background:var(--bg);line-height:1.65;font-size:17px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--green-2);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:var(--head);line-height:1.15;color:var(--ink);font-weight:700;letter-spacing:-.02em}
h1{font-size:clamp(2.1rem,5.2vw,3.5rem);margin:.2em 0 .35em}
h2{font-size:clamp(1.5rem,3.4vw,2.1rem);margin:1.8em 0 .5em}
h3{font-size:1.22rem;margin:1.4em 0 .4em}
h4{font-size:1.02rem;margin:0 0 .5em}
p{margin:0 0 1.05em}
.px-shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 22px}
.px-skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;z-index:200;border-radius:0 0 8px 0}
.px-skip:focus{left:0}

/* ---------- buttons ---------- */
.px-btn{display:inline-flex;align-items:center;gap:.5em;font-family:var(--head);font-weight:600;font-size:.98rem;line-height:1;padding:.85em 1.3em;border-radius:999px;border:1.5px solid transparent;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,background .15s ease;text-decoration:none;white-space:nowrap}
.px-btn:hover{text-decoration:none;transform:translateY(-2px)}
.px-btn--primary{background:linear-gradient(135deg,var(--green),var(--green-2));color:var(--green-ink);box-shadow:0 10px 24px -10px rgba(21,216,91,.7)}
.px-btn--primary:hover{box-shadow:0 14px 30px -10px rgba(21,216,91,.85)}
.px-btn--ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.px-btn--ghost:hover{border-color:var(--ink);background:#fff}
.px-btn--lg{padding:1.05em 1.7em;font-size:1.05rem}

/* ---------- header ---------- */
.px-head{position:sticky;top:0;z-index:100;background:rgba(11,14,17,.92);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.07)}
.px-head__row{display:flex;align-items:center;justify-content:space-between;height:68px}
.px-brand{display:flex;align-items:center;gap:.6em;font-family:var(--head);font-weight:700;font-size:1.15rem;color:#fff}
.px-brand:hover{text-decoration:none}
.px-brand__mark{border-radius:9px}
.px-brand__sub{color:var(--green);margin-left:.18em;font-weight:600}
.px-nav{display:flex;align-items:center;gap:6px}
.px-nav__link{color:rgba(255,255,255,.78);font-family:var(--head);font-weight:500;font-size:.96rem;padding:.5em .8em;border-radius:9px}
.px-nav__link:hover{color:#fff;background:rgba(255,255,255,.08);text-decoration:none}
.px-nav__link.is-active{color:var(--green)}
.px-nav__cta{margin-left:6px}
.px-burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.px-burger span{width:24px;height:2px;background:#fff;border-radius:2px;transition:.2s}

/* language switcher */
.px-lang{position:relative}
.px-lang>summary{list-style:none;cursor:pointer;color:rgba(255,255,255,.78);font-family:var(--head);font-weight:500;font-size:.92rem;padding:.5em .8em;border-radius:9px}
.px-lang>summary::-webkit-details-marker{display:none}
.px-lang>summary:hover{color:#fff;background:rgba(255,255,255,.08)}
.px-lang__menu{position:absolute;right:0;top:calc(100% + 8px);background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:6px;min-width:160px;display:flex;flex-direction:column;z-index:50}
.px-lang__opt{padding:.55em .8em;border-radius:8px;color:var(--ink);font-size:.94rem}
.px-lang__opt:hover{background:var(--bg-2);text-decoration:none}
.px-lang__opt.is-active{color:var(--green-2);font-weight:600}

/* ---------- hero ---------- */
.px-hero{background:linear-gradient(180deg,var(--dark) 0%,var(--dark-2) 60%,var(--dark-2) 100%);color:#fff;position:relative;overflow:hidden}
.px-hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 1px 1px,rgba(21,216,91,.16) 1px,transparent 0);background-size:26px 26px;opacity:.5;mask-image:radial-gradient(ellipse 80% 80% at 70% 0%,#000,transparent)}
.px-hero__grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding:64px 22px 72px}
.px-hero__grid--page{grid-template-columns:1fr;max-width:860px;padding-bottom:56px}
.px-hero h1{color:#fff}
.px-eyebrow{display:inline-flex;align-items:center;gap:.6em;font-family:var(--mono);font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:var(--green);background:rgba(21,216,91,.1);border:1px solid rgba(21,216,91,.28);padding:.45em .8em;border-radius:999px;margin:0 0 .4em}
.px-hero__sub{color:rgba(255,255,255,.8);font-size:1.12rem;max-width:42ch;margin-bottom:1.6em}
.px-hero__cta{display:flex;flex-wrap:wrap;gap:12px}
.px-hero .px-btn--ghost{color:#fff;border-color:rgba(255,255,255,.25)}
.px-hero .px-btn--ghost:hover{background:rgba(255,255,255,.08);border-color:#fff}
.px-hero__stats{display:flex;gap:28px;margin-top:2.2em;flex-wrap:wrap}
.px-hero__stats div{display:flex;flex-direction:column}
.px-hero__stats strong{font-family:var(--mono);font-size:1.5rem;color:#fff}
.px-hero__stats span{font-size:.82rem;color:rgba(255,255,255,.6)}
.px-hero__art img{border-radius:var(--radius);box-shadow:0 30px 60px -25px rgba(0,0,0,.7);border:1px solid rgba(255,255,255,.1)}
.px-hero__glow{aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,rgba(21,216,91,.4),transparent 65%);filter:blur(10px)}

/* disclaimer badge */
.px-hero__disc{position:relative;font-family:var(--body);font-size:.66rem;letter-spacing:.04em;color:rgba(255,255,255,.55);border:1px dashed rgba(255,255,255,.35);border-radius:6px;padding:.2em .5em;cursor:help;text-transform:none}
.px-hero__disc-tip{position:absolute;left:0;top:calc(100% + 8px);width:260px;background:#fff;color:var(--ink);font-size:.8rem;line-height:1.4;padding:.7em .85em;border-radius:10px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transition:.18s;z-index:60;letter-spacing:0}
.px-hero__disc:hover .px-hero__disc-tip,.px-hero__disc:focus .px-hero__disc-tip{opacity:1;visibility:visible}

/* ---------- main / article ---------- */
.px-main{padding:8px 0 64px}
.px-crumbs{font-size:.85rem;color:var(--muted);margin:22px 0 4px;font-family:var(--mono)}
.px-crumbs a{color:var(--muted)}
.px-article{max-width:820px;margin:0 auto;padding:24px 0}
.px-article>p,.px-article>h2,.px-article>h3,.px-article>ul{}
.lead{font-size:1.2rem;color:var(--ink-soft);font-weight:500}
.px-article h2{scroll-margin-top:90px;position:relative;padding-top:.3em}
.px-article h2::before{content:"";display:block;width:42px;height:4px;background:linear-gradient(90deg,var(--green),var(--green-2));border-radius:3px;margin-bottom:.5em}
.px-list{margin:0 0 1.2em;padding-left:0;list-style:none}
.px-list li{position:relative;padding-left:1.7em;margin-bottom:.55em}
.px-list li::before{content:"";position:absolute;left:0;top:.55em;width:9px;height:9px;border-radius:3px;background:var(--green)}

/* source / note */
.px-source{display:flex;gap:.7em;align-items:flex-start;background:var(--green-soft);border:1px solid rgba(21,216,91,.25);border-radius:var(--radius-sm);padding:.85em 1.1em;font-size:.92rem;color:var(--ink-soft);margin:1.4em 0}
.px-source__tag{font-family:var(--mono);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;background:var(--green);color:var(--green-ink);padding:.25em .55em;border-radius:6px;white-space:nowrap;margin-top:.1em}

/* warning */
.px-warn{display:flex;gap:.8em;background:#FFF6E9;border:1px solid #F2C879;border-left:4px solid #E89B1C;border-radius:var(--radius-sm);padding:1em 1.2em;margin:1.6em 0;color:#5a3d12}
.px-warn__icon{font-size:1.3rem;line-height:1}
.px-warn p:last-child{margin-bottom:0}

/* callout */
.px-callout{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.4em 1.5em;margin:1.8em 0;box-shadow:var(--shadow-sm)}
.px-callout h4{font-family:var(--head);color:var(--green-2);font-size:1.05rem}
.px-callout p:last-child{margin-bottom:0}

/* stats */
.px-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:14px;margin:1.8em 0}
.px-stat{background:var(--dark);color:#fff;border-radius:var(--radius);padding:1.3em 1.2em;text-align:center}
.px-stat__v{display:block;font-family:var(--mono);font-size:1.7rem;color:var(--green);font-weight:600}
.px-stat__l{display:block;font-size:.82rem;color:rgba(255,255,255,.7);margin-top:.3em}

/* features */
.px-features{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin:1.8em 0}
.px-feature{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.5em;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s}
.px-feature:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.px-feature__ic{width:44px;height:44px;display:grid;place-items:center;border-radius:12px;background:var(--green-soft);color:var(--green-2);font-size:1.3rem;margin-bottom:.7em}
.px-feature h3{margin:.2em 0 .3em;font-size:1.08rem}
.px-feature p{margin:0;font-size:.96rem;color:var(--muted)}

/* steps */
.px-steps{list-style:none;counter-reset:s;padding:0;margin:1.8em 0;display:grid;gap:14px}
.px-steps li{display:flex;gap:1em;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.2em 1.4em;box-shadow:var(--shadow-sm)}
.px-steps__n{flex:none;width:38px;height:38px;display:grid;place-items:center;border-radius:50%;background:var(--dark);color:var(--green);font-family:var(--mono);font-weight:600}
.px-steps li h3{margin:.15em 0 .25em;font-size:1.08rem}
.px-steps li p{margin:0;color:var(--muted);font-size:.96rem}

/* table */
.px-tablewrap{overflow-x:auto;margin:1.8em 0;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.px-table{width:100%;border-collapse:collapse;font-size:.95rem;background:var(--surface)}
.px-table th{background:var(--dark);color:#fff;text-align:left;padding:.9em 1.1em;font-family:var(--head);font-weight:600;font-size:.9rem}
.px-table td{padding:.85em 1.1em;border-top:1px solid var(--line)}
.px-table tbody tr:nth-child(even){background:var(--bg)}
.px-table strong{color:var(--ink)}

/* figure */
.px-figure{margin:1.8em 0}
.px-figure img{border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.px-figure figcaption{font-size:.85rem;color:var(--muted);text-align:center;margin-top:.7em;font-style:italic}

/* banner CTA */
.px-banner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;background:linear-gradient(135deg,var(--dark),var(--dark-2));color:#fff;border-radius:var(--radius);padding:2em 2.2em;margin:2.4em 0;position:relative;overflow:hidden}
.px-banner::after{content:"";position:absolute;right:-40px;top:-40px;width:200px;height:200px;background:radial-gradient(circle,rgba(21,216,91,.3),transparent 70%)}
.px-banner__body{position:relative;z-index:1}
.px-banner h3{color:#fff;margin:0 0 .3em}
.px-banner p{margin:0;color:rgba(255,255,255,.78);max-width:48ch}
.px-banner .px-btn{position:relative;z-index:1}

/* faq */
.px-faq{margin:1.6em 0;display:grid;gap:10px}
.px-faq__item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden}
.px-faq__item summary{cursor:pointer;padding:1em 1.2em;font-family:var(--head);font-weight:600;font-size:1.02rem;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:1em}
.px-faq__item summary::-webkit-details-marker{display:none}
.px-faq__item summary::after{content:"+";font-size:1.4rem;color:var(--green-2);font-weight:400;transition:transform .2s}
.px-faq__item[open] summary::after{transform:rotate(45deg)}
.px-faq__a{padding:0 1.2em 1.2em;color:var(--ink-soft)}
.px-faq__a p:last-child{margin-bottom:0}

/* ---------- footer ---------- */
.px-foot{background:var(--dark);color:rgba(255,255,255,.72);margin-top:40px;padding:48px 0 28px}
.px-foot__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}
.px-brand--foot{color:#fff;margin-bottom:.8em}
.px-foot__about{font-size:.92rem;color:rgba(255,255,255,.6);max-width:34ch;margin-bottom:1.2em}
.px-foot__col h4{color:#fff;font-family:var(--head);font-size:.85rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:1em}
.px-foot__col ul{list-style:none;padding:0;margin:0;display:grid;gap:.55em}
.px-foot__col a{color:rgba(255,255,255,.68);font-size:.94rem}
.px-foot__col a:hover{color:var(--green)}
.px-foot__bottom{margin-top:36px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1)}
.px-disclaimer{font-size:.8rem;color:rgba(255,255,255,.5);max-width:none;margin-bottom:.8em}
.px-copy{font-size:.82rem;color:rgba(255,255,255,.55);margin:0}
.px-copy a{color:var(--green)}

/* ---------- responsive ---------- */
@media(max-width:880px){
  .px-hero__grid{grid-template-columns:1fr;gap:32px;padding:44px 22px 52px}
  .px-hero__art{order:-1;max-width:520px}
  .px-foot__grid{grid-template-columns:1fr 1fr;gap:26px}
  .px-foot__brand{grid-column:1/-1}
}
@media(max-width:720px){
  body{font-size:16px}
  .px-burger{display:flex}
  .px-nav{position:fixed;inset:68px 0 auto 0;flex-direction:column;align-items:stretch;background:var(--dark-2);padding:16px 22px 24px;gap:4px;border-bottom:1px solid rgba(255,255,255,.1);transform:translateY(-130%);transition:transform .25s ease;max-height:calc(100vh - 68px);overflow-y:auto}
  .px-nav.is-open{transform:translateY(0)}
  .px-nav__link{padding:.8em .6em;font-size:1.05rem}
  .px-nav__cta{margin:8px 0 0;justify-content:center}
  .px-lang{margin-top:4px}
  .px-lang>summary{padding:.8em .6em}
  .px-lang__menu{position:static;box-shadow:none;border-color:rgba(255,255,255,.12);background:rgba(255,255,255,.04);margin-top:6px}
  .px-lang__opt{color:#fff}
  .px-lang__opt:hover{background:rgba(255,255,255,.08)}
  .px-banner{padding:1.6em 1.5em}
  .px-table th,.px-table td{padding:.7em .8em}
}
@media(max-width:560px){
  .px-tablewrap{border:0;box-shadow:none;background:transparent}
  .px-table,.px-table thead,.px-table tbody,.px-table tr,.px-table td{display:block;width:100%}
  .px-table thead{display:none}
  .px-table tr{margin-bottom:14px;border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;background:var(--surface)}
  .px-table td{border-top:1px solid var(--line-2);padding:.7em 1em;display:flex;justify-content:space-between;gap:1em;text-align:right}
  .px-table td::before{content:attr(data-label);font-weight:600;color:var(--ink);text-align:left}
  .px-table td:first-child{background:var(--bg-2);font-weight:600}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}