:root { --bg: #020308; --panel: #060810; --panel-2: #04060b; --line: rgba(233,237,244,.1); --accent: #4d8dff; --royal: #184cc4; --ink: #e9edf4; --mut: #98a2b3; --dim: #5b6478; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); overflow-x: hidden; }
html, body { margin: 0; padding: 0; }
body { font-family: 'IBM Plex Mono', monospace; color: var(--ink); background: var(--bg); line-height: 1.6; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }
img { display: block; max-width: 100%; }
::selection { background: var(--accent); color: #020308; }
.display { font-family: 'Archivo Black', sans-serif; text-transform: uppercase; letter-spacing: -0.01em; }
.wrap { width: min(1080px, 100% - 48px); margin-inline: auto; }

/* topbar */
.topbar { position: sticky; top: 0; z-index: 40; background: rgba(2,3,8,.88); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 56px; font-size: 12.5px; }
.back { display: inline-flex; align-items: center; gap: 8px; color: var(--mut); }
.brand { display: flex; align-items: center; gap: 9px; color: var(--dim); font-size: 12px; white-space: nowrap; }
.brand img { width: 22px; height: 22px; }
.brand b { color: var(--ink); font-weight: 600; }

/* hero */
.hero { padding: 64px 0 34px; border-bottom: 1px solid var(--line); position: relative; overflow: hidden; }
.hero::before { content: ""; position: absolute; top: -220px; left: 50%; width: 760px; height: 420px; transform: translateX(-50%); background: radial-gradient(ellipse at center, rgba(77,141,255,.16), transparent 68%); pointer-events: none; }
.kicker { font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--dim); margin: 0 0 14px; }
.kicker b { color: var(--accent); font-weight: 400; }
.hero h1 { margin: 0; font-size: clamp(30px, 5.4vw, 54px); line-height: .98; }
.hero .sub { margin: 18px 0 0; color: var(--mut); font-size: 14.5px; max-width: 680px; }
.tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 22px; }
.pill { display: inline-flex; align-items: center; gap: 8px; padding: 7px 13px; font-size: 11.5px; border: 1px solid rgba(233,237,244,.18); background: var(--panel-2); color: var(--mut); }
.pill.accent { border-color: rgba(77,141,255,.5); color: var(--accent); }
.dot { width: 7px; height: 7px; background: #3fd68b; }

/* layout */
.grid { display: grid; grid-template-columns: 240px 1fr; gap: 54px; align-items: start; margin: 48px 0 70px; }
.toc { position: sticky; top: 80px; border: 1px solid var(--line); background: var(--panel); padding: 18px; }
.toc p { margin: 0 0 12px; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--dim); }
.toc ol { list-style: none; margin: 0; padding: 0; counter-reset: toc; display: grid; gap: 2px; }
.toc li { counter-increment: toc; }
.toc a { display: block; padding: 6px 8px; font-size: 12.5px; color: var(--mut); border-left: 2px solid transparent; transition: color .15s, background .15s, border-color .15s; }
.toc a::before { content: counter(toc, decimal-leading-zero) " "; color: var(--dim); }
.toc a:hover { color: var(--ink); background: rgba(233,237,244,.04); border-left-color: var(--accent); }

/* prose */
.doc h2 { font-family: 'Archivo Black', sans-serif; text-transform: uppercase; font-size: clamp(18px, 2.4vw, 23px); letter-spacing: -0.01em; margin: 46px 0 14px; scroll-margin-top: 76px; }
.doc h2:first-child { margin-top: 0; }
.doc h2 span { color: var(--accent); font-size: .74em; margin-right: 10px; }
.doc h3 { font-size: 14px; font-weight: 600; margin: 26px 0 10px; color: var(--ink); }
.doc p, .doc li { font-size: 14px; color: var(--mut); }
.doc p { margin: 0 0 16px; }
.doc strong { color: var(--ink); font-weight: 600; }
.doc a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.doc ul { margin: 0 0 16px; padding: 0; list-style: none; display: grid; gap: 9px; }
.doc ul li { display: flex; gap: 11px; align-items: flex-start; }
.doc ul li::before { content: "▸"; color: var(--accent); flex-shrink: 0; }
.doc ol { margin: 0 0 16px; padding-left: 20px; display: grid; gap: 9px; }
.doc ol li { padding-left: 4px; }
.doc ol li::marker { color: var(--accent); }
.doc hr { border: 0; border-top: 1px solid var(--line); margin: 44px 0; }
code { font-family: inherit; font-size: .92em; background: rgba(77,141,255,.1); border: 1px solid rgba(77,141,255,.22); color: #9ec1ff; padding: 1px 6px; }

.note { border: 1px solid var(--line); border-left: 2px solid var(--accent); background: var(--panel); padding: 18px 20px; margin: 0 0 22px; }
.note p:last-child { margin-bottom: 0; }
.note .lbl { display: block; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); margin-bottom: 8px; }

/* tabela de dados */
.tbl { border: 1px solid var(--line); background: var(--panel); margin: 0 0 22px; overflow-x: auto; }
.tbl table { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 520px; }
.tbl th, .tbl td { text-align: left; padding: 13px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
.tbl th { background: var(--panel-2); color: var(--ink); font-weight: 600; font-size: 11.5px; letter-spacing: .06em; text-transform: uppercase; }
.tbl td { color: var(--mut); }
.tbl tr:last-child td { border-bottom: 0; }
.tbl td b { color: var(--ink); font-weight: 600; }

/* cta */
.cta-band { border: 1px solid rgba(77,141,255,.35); background: linear-gradient(160deg, #070b16, #05070d); padding: 40px 32px; text-align: center; margin: 0 0 64px; }
.cta-band h2 { font-family: 'Archivo Black', sans-serif; text-transform: uppercase; font-size: clamp(22px, 3.6vw, 34px); margin: 0 0 12px; }
.cta-band p { color: var(--mut); font-size: 14px; margin: 0 auto 24px; max-width: 520px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 14px 26px; font-size: 13.5px; font-weight: 600; font-family: inherit; cursor: pointer; border: 1px solid transparent; transition: transform .15s ease, background .2s, color .2s, border-color .2s, box-shadow .2s; }
.btn-primary { background: var(--accent); color: #020308; box-shadow: 4px 4px 0 rgba(24,76,196,.55); }
.btn-primary:hover { background: var(--ink); color: #020308; transform: translate(-2px, -2px); box-shadow: 6px 6px 0 rgba(24,76,196,.55); }
.btn-ghost { border-color: rgba(233,237,244,.22); color: var(--ink); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.cta-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* footer */
.foot { border-top: 1px solid var(--line); padding: 26px 0 40px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 12px; color: var(--dim); }
.foot-links { display: flex; gap: 18px; flex-wrap: wrap; }
.foot-links a:hover { color: var(--accent); }

@media (max-width: 900px) {
  .grid { grid-template-columns: 1fr; gap: 30px; }
  .toc { position: static; }
  .toc ol { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); display: grid; }
}
@media (max-width: 560px) {
  .wrap { width: min(1080px, 100% - 32px); }
  .hero { padding: 44px 0 28px; }
  .brand { display: none; }
}