:root{--bg:#040504;--lime:#b8ff1f;--ink:#f2f5ee;--muted:#8b9386;--line:rgba(184,255,31,.18);--body:#d3d9cc}
/* html/body vêm do style.css; overflow-x:clip mantém o índice lateral "sticky" funcionando */
html,body{overflow-x:visible}
body{overflow-x:clip}
html{scroll-behavior:smooth;scroll-padding-top:92px}
.progress{position:fixed;left:0;top:0;height:3px;width:100%;transform:scaleX(0);transform-origin:0 50%;background:var(--lime);box-shadow:0 0 12px var(--lime);z-index:200}
main{position:relative;z-index:1}
.nav{z-index:150}
/* hero com o fluido verde-limão do título WEB SITES I.A. */
.b-hero{position:relative;z-index:1;overflow:hidden;min-height:100vh;min-height:100svh;display:flex;align-items:center;justify-content:center;padding:clamp(130px,17vh,170px) clamp(18px,4vw,24px) 70px;text-align:center}
.b-hero .portfolio-scrim{background:radial-gradient(115% 95% at 50% 46%,rgba(4,5,4,.74) 0%,rgba(4,5,4,.6) 34%,rgba(4,5,4,.4) 64%,rgba(4,5,4,.16) 100%)}
.b-hero.no-webgl .portfolio-fluid{display:none}
.b-hero.no-webgl{background:radial-gradient(60% 50% at 30% 40%,rgba(184,255,31,.22),transparent 70%),radial-gradient(50% 45% at 72% 62%,rgba(127,208,0,.18),transparent 70%)}
.blog-bg{font-size:clamp(77px,17.5vw,266px);top:clamp(70px,9vh,110px);z-index:1}
.b-hero-in{position:relative;z-index:2;width:100%;max-width:1100px}
.crumbs{display:inline-flex;gap:10px;font-size:13px;color:var(--muted);margin-bottom:22px}
.crumbs a:hover{color:var(--lime)}
.b-hero h1{font-weight:300;letter-spacing:-.03em;line-height:1.05;font-size:clamp(34px,6vw,72px);max-width:16ch;margin:0 auto}
.b-hero h1 span{color:var(--lime)}
.lead{max-width:640px;margin:22px auto 0;color:var(--body);font-size:clamp(16px,1.6vw,19px);line-height:1.65}
.idx{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin-top:46px;text-align:left}
.idx-card{display:flex;flex-direction:column;gap:10px;padding:18px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.02);transition:.3s}
.idx-card:hover{border-color:rgba(184,255,31,.55);transform:translateY(-4px);background:rgba(184,255,31,.05)}
.idx-card .cat,.post .cat{align-self:flex-start;font-size:11px;font-weight:500;letter-spacing:.12em;color:#040504;background:var(--lime);padding:4px 10px;border-radius:999px}
.idx-card b{font-weight:400;font-size:15px;line-height:1.4}
.idx-card em{font-style:normal;color:var(--lime);font-size:12px;margin-top:auto}
/* layout */
.wrap{display:grid;grid-template-columns:250px minmax(0,740px);gap:56px;justify-content:center;max-width:1100px;margin:0 auto;padding:40px clamp(18px,4vw,24px) 80px}
.toc{position:sticky;top:96px;align-self:start;display:flex;flex-direction:column;gap:4px;font-size:13.5px}
.toc p{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--lime);margin-bottom:10px}
.toc a{display:flex;gap:10px;padding:9px 12px;border-left:2px solid rgba(255,255,255,.08);color:var(--muted);line-height:1.4;transition:.25s}
.toc a small{color:rgba(184,255,31,.6);font-size:11px;padding-top:2px}
.toc a:hover{color:var(--ink)}
.toc a.on{color:var(--ink);border-color:var(--lime);background:linear-gradient(90deg,rgba(184,255,31,.09),transparent)}
/* artigos */
.post{position:relative;padding:clamp(24px,4vw,46px);border:1px solid var(--line);border-radius:26px;background:linear-gradient(180deg,rgba(184,255,31,.045),rgba(255,255,255,.012));margin-bottom:34px;scroll-margin-top:92px}
.post .meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;font-size:13px;color:var(--muted);margin-bottom:16px}
.post .art-title{font-weight:300;letter-spacing:-.03em;line-height:1.1;font-size:clamp(26px,3.8vw,42px)}
.quick{margin:26px 0 8px;padding:18px 20px;border-left:3px solid var(--lime);background:rgba(184,255,31,.07);border-radius:0 14px 14px 0;color:var(--ink);font-size:16.5px;line-height:1.65}
.quick strong{display:block;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--lime);font-weight:500;margin-bottom:6px}
.prose{color:var(--body);font-size:17px;line-height:1.78}
.prose h2{font-weight:300;letter-spacing:-.02em;font-size:clamp(21px,2.4vw,27px);color:var(--ink);margin:36px 0 12px;line-height:1.25}
.prose p{margin:0 0 14px}
.prose ul,.prose ol{margin:0 0 16px;padding-left:0;list-style:none;counter-reset:n}
.prose li{position:relative;padding:0 0 10px 30px}
.prose ul li::before{content:"";position:absolute;left:4px;top:.78em;width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 10px var(--lime)}
.prose ol li{counter-increment:n}
.prose ol li::before{content:counter(n);position:absolute;left:0;top:.2em;width:22px;height:22px;border-radius:50%;border:1px solid var(--lime);color:var(--lime);font-size:12px;display:grid;place-items:center}
.prose strong{font-weight:500;color:var(--ink)}
.tbl-wrap{overflow-x:auto;margin:10px 0 18px;border:1px solid var(--line);border-radius:16px}
table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:520px}
th,td{padding:13px 16px;text-align:left;vertical-align:top;border-bottom:1px solid rgba(255,255,255,.07);line-height:1.5}
thead th{color:var(--lime);font-weight:500;font-size:12px;letter-spacing:.1em;text-transform:uppercase;background:rgba(184,255,31,.06)}
tbody th{font-weight:500;color:var(--ink)}
tbody tr:last-child th,tbody tr:last-child td{border-bottom:0}
.post-foot{display:flex;flex-wrap:wrap;gap:14px 24px;justify-content:space-between;align-items:center;margin-top:30px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);font-size:14px;color:var(--muted)}
.post-foot .by a{color:var(--ink);border-bottom:1px solid var(--line)}
.post-foot .acts{display:flex;gap:18px;align-items:center}
.post-foot .acts a{color:var(--lime)}
.copy-link{font:inherit;font-size:13px;color:var(--muted);background:none;border:1px solid var(--line);border-radius:999px;padding:7px 14px;cursor:pointer;transition:.25s}
.copy-link:hover,.copy-link.ok{color:#040504;background:var(--lime);border-color:var(--lime)}
.cta-end{text-align:center;padding:clamp(30px,5vw,56px) 24px;border:1px solid rgba(184,255,31,.4);border-radius:26px;background:radial-gradient(ellipse at 50% 0%,rgba(184,255,31,.16),transparent 70%)}
.cta-end h2{font-weight:300;letter-spacing:-.03em;font-size:clamp(26px,4vw,44px);line-height:1.1}
.cta-end h2 span{color:var(--lime)}
.cta-end p{max-width:520px;margin:14px auto 26px;color:var(--body);line-height:1.65}
.btn{display:inline-flex;gap:10px;align-items:center;padding:15px 30px;border-radius:999px;background:var(--lime);color:#040504;font-weight:500;transition:.3s}
.btn:hover{box-shadow:0 0 34px rgba(184,255,31,.55);transform:translateY(-2px)}
a:focus-visible,button:focus-visible{outline:2px solid var(--lime);outline-offset:3px}
@media (max-width:900px){
  .wrap{grid-template-columns:minmax(0,1fr);gap:0}
  .toc{position:sticky;top:84px;z-index:50;flex-direction:row;overflow-x:auto;gap:8px;margin:0 -18px 22px;padding:10px 18px;background:#040504e6;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);scrollbar-width:none}
  .toc::-webkit-scrollbar{display:none}
  .toc p{display:none}
  .toc a{flex:0 0 auto;border:1px solid var(--line);border-radius:999px;padding:8px 14px;white-space:nowrap;max-width:none}
  .toc a small{display:none}
  .toc a.on{background:var(--lime);color:#040504;border-color:var(--lime)}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.bg i{animation:none}*{transition:none!important}}