/* Blog + Verificação de segurança: static pages beside the React homepage.
   Same tokens as tailwind.config.js (ink / mint / fog) and the same self-hosted fonts. */
@font-face { font-family: 'Inter'; font-weight: 400 600; font-display: swap; src: url(/fonts/inter-latin.woff2) format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+20AC, U+2122, U+2212; }
@font-face { font-family: 'Inter'; font-weight: 400 600; font-display: swap; src: url(/fonts/inter-latin-ext.woff2) format('woff2'); unicode-range: U+0100-02BA, U+1E00-1EFF, U+20A0-20AB, U+20AD-20C4; }
@font-face { font-family: 'Space Grotesk'; font-weight: 500 700; font-display: swap; src: url(/fonts/space-grotesk-latin.woff2) format('woff2'); unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+2000-206F, U+20AC, U+2212; }
@font-face { font-family: 'Space Grotesk'; font-weight: 500 700; font-display: swap; src: url(/fonts/space-grotesk-latin-ext.woff2) format('woff2'); unicode-range: U+0100-02BA, U+1E00-1EFF; }
@font-face { font-family: 'JetBrains Mono'; font-weight: 400 600; font-display: swap; src: url(/fonts/jetbrains-mono-latin.woff2) format('woff2'); }

:root {
  --ink-950: #070709; --ink-900: #0B0B0D; --ink-850: #0F0F12; --ink-800: #111114; --ink-700: #1A1A1F; --ink-600: #26262C;
  --mint: #2EE9A8; --mint-300: #7FF5C9; --mint-700: #22A87B;
  --fog-100: #F4F4F5; --fog-300: #C9C9CF; --fog-400: #A7A7AD; --fog-500: #8E8E96;
  --red: #FF6B6B; --amber: #F2C14E;
  --display: 'Space Grotesk', system-ui, sans-serif;
  --body: 'Inter', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  --shell: 82rem;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--ink-900); color: var(--fog-300); font: 400 17px/1.7 var(--body); overflow-x: hidden; }
a { color: var(--mint); text-underline-offset: 3px; }
a:hover { color: var(--mint-300); }
img { max-width: 100%; height: auto; display: block; }
:focus-visible { outline: 2px solid var(--mint); outline-offset: 3px; border-radius: 4px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; z-index: 99; background: var(--mint); color: var(--ink-900); padding: 8px 14px; border-radius: 8px; }

.shell { max-width: var(--shell); margin: 0 auto; padding: 0 24px; }
@media (max-width: 640px) { .shell { padding: 0 16px; } body { font-size: 16px; } }

/* ── header ─────────────────────────────────────────── */
.top { position: sticky; top: 0; z-index: 40; background: rgba(11, 11, 13, .86); backdrop-filter: blur(14px); border-bottom: 1px solid var(--ink-700); }
.top .shell { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
.top .logo img { height: 30px; width: auto; }
.top nav { display: flex; align-items: center; gap: 26px; }
.top nav a { color: var(--fog-300); text-decoration: none; font: 500 13px/1 var(--mono); text-transform: uppercase; letter-spacing: .12em; white-space: nowrap; }
.top nav a:hover, .top nav a[aria-current] { color: var(--mint); }
.top nav a.btn, .top nav a.btn:hover { color: var(--ink-900); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; border: 0; cursor: pointer; text-decoration: none; white-space: nowrap;
  background: var(--mint); color: var(--ink-900); font: 700 14px/1 var(--display); text-transform: uppercase; letter-spacing: .06em; padding: 15px 24px; border-radius: 999px; transition: background .2s, transform .2s; }
.btn:hover { background: var(--mint-300); color: var(--ink-900); transform: translateY(-1px); }
.btn:disabled { opacity: .6; cursor: not-allowed; transform: none; }
.btn.ghost { background: transparent; color: var(--fog-100); box-shadow: inset 0 0 0 1px var(--ink-600); }
.btn.ghost:hover { box-shadow: inset 0 0 0 1px var(--mint); color: var(--mint); }
.btn.sm { padding: 11px 18px; font-size: 12px; }
.burger { display: none; background: none; border: 1px solid var(--ink-600); color: var(--fog-100); border-radius: 10px; width: 44px; height: 44px; cursor: pointer; }
.burger span { display: block; width: 18px; height: 2px; background: currentColor; margin: 4px auto; }
.drawer { position: fixed; inset: 68px 0 auto 0; background: var(--ink-900); border-bottom: 1px solid var(--ink-700); padding: 16px 16px 24px; display: none; flex-direction: column; gap: 4px; z-index: 39; }
.drawer a { color: var(--fog-100); text-decoration: none; font: 600 18px/1 var(--display); padding: 16px 4px; border-bottom: 1px solid var(--ink-700); }
.drawer .btn { margin-top: 16px; }
.drawer.open { display: flex; }
@media (max-width: 860px) { .top nav { display: none; } .burger { display: block; } }

/* ── type ───────────────────────────────────────────── */
.kicker { font: 500 12px/1.4 var(--mono); text-transform: uppercase; letter-spacing: .2em; color: var(--mint); margin: 0 0 18px; }
.kicker .dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--red); margin-right: 10px; vertical-align: 1px; box-shadow: 0 0 0 0 rgba(255, 107, 107, .6); animation: ping 1.8s infinite; }
@keyframes ping { 70% { box-shadow: 0 0 0 10px rgba(255, 107, 107, 0); } 100% { box-shadow: 0 0 0 0 rgba(255, 107, 107, 0); } }
@media (prefers-reduced-motion: reduce) { .kicker .dot { animation: none; } html { scroll-behavior: auto; } }
h1, h2, h3 { font-family: var(--display); color: var(--fog-100); font-weight: 700; letter-spacing: -.02em; line-height: 1.08; margin: 0; }
h1 { font-size: clamp(36px, 5.6vw, 68px); text-wrap: balance; }
h2 { font-size: clamp(26px, 3.2vw, 38px); text-wrap: balance; }
h3 { font-size: 21px; line-height: 1.25; }
.lead { font-size: clamp(18px, 1.6vw, 21px); color: var(--fog-300); max-width: 46rem; margin: 22px 0 0; }
.muted { color: var(--fog-500); }
.mono { font-family: var(--mono); }

/* ── article ────────────────────────────────────────── */
.article-head { padding: 72px 0 40px; border-bottom: 1px solid var(--ink-700); background:
  radial-gradient(60rem 26rem at 85% -10%, rgba(46, 233, 168, .10), transparent 60%), var(--ink-900); }
.article-head .meta { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 28px; font: 500 12px/1.4 var(--mono); color: var(--fog-500); text-transform: uppercase; letter-spacing: .12em; }
.crumbs { font: 500 12px/1.4 var(--mono); text-transform: uppercase; letter-spacing: .12em; color: var(--fog-500); margin-bottom: 28px; }
.crumbs a { color: var(--fog-400); text-decoration: none; }
.crumbs a:hover { color: var(--mint); }
.prose { max-width: 46rem; padding: 48px 0 24px; }
.prose > * + * { margin-top: 1.15em; }
.prose h2 { margin-top: 2.2em; font-size: clamp(24px, 2.6vw, 32px); scroll-margin-top: 90px; }
.prose h3 { margin-top: 1.8em; }
.prose p, .prose li { color: var(--fog-300); }
.prose strong { color: var(--fog-100); font-weight: 600; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li + li { margin-top: .5em; }
.prose li::marker { color: var(--mint); }
.prose blockquote { margin: 1.6em 0; padding: 4px 0 4px 22px; border-left: 3px solid var(--mint); color: var(--fog-100); font-size: 19px; }
.prose code { font: 500 .88em var(--mono); background: var(--ink-700); color: var(--mint-300); padding: 2px 7px; border-radius: 6px; }
.prose pre { background: var(--ink-800); border: 1px solid var(--ink-700); border-radius: 14px; padding: 18px 20px; overflow-x: auto; font: 400 14px/1.6 var(--mono); color: var(--fog-300); white-space: pre-wrap; }
.tldr { border: 1px solid rgba(46, 233, 168, .35); background: rgba(46, 233, 168, .05); border-radius: 18px; padding: 24px 26px; }
.tldr h2 { margin: 0 0 12px !important; font-size: 15px !important; font-family: var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--mint); }
.tldr ul { margin: 0; }
.table-wrap { overflow-x: auto; border: 1px solid var(--ink-700); border-radius: 14px; }
table { width: 100%; border-collapse: collapse; font-size: 15px; min-width: 480px; }
th, td { text-align: left; padding: 13px 16px; border-bottom: 1px solid var(--ink-700); }
th { font: 500 11px/1.3 var(--mono); text-transform: uppercase; letter-spacing: .14em; color: var(--fog-500); background: var(--ink-850); }
tr:last-child td { border-bottom: 0; }
td.ok { color: var(--mint); } td.bad { color: var(--red); } td.warn { color: var(--amber); }
.sources { font-size: 14px; }
.sources li { color: var(--fog-500); }

/* inline call to action inside articles */
.cta-box { margin: 2.4em 0; border-radius: 22px; padding: 30px; background: linear-gradient(135deg, var(--ink-700), var(--ink-800)); border: 1px solid var(--ink-600); display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center; }
.cta-box h3 { margin: 0 0 8px; }
.cta-box p { margin: 0; color: var(--fog-400); }
.cta-box .price { font: 700 15px/1 var(--display); color: var(--mint); }
@media (max-width: 640px) { .cta-box { grid-template-columns: 1fr; padding: 24px; } .cta-box .btn { width: 100%; } }

/* related posts */
.related { border-top: 1px solid var(--ink-700); padding: 56px 0 72px; }
.post-rows { border-top: 1px solid var(--ink-700); margin-top: 28px; }
.post-row { display: grid; grid-template-columns: 11rem 1fr auto; gap: 24px; align-items: baseline; padding: 26px 0; border-bottom: 1px solid var(--ink-700); text-decoration: none; color: inherit; transition: padding .25s; }
.post-row:hover { padding-left: 10px; }
.post-row:hover h3 { color: var(--mint); }
.post-row time { font: 500 12px/1.4 var(--mono); color: var(--fog-500); text-transform: uppercase; letter-spacing: .12em; }
.post-row p { margin: 8px 0 0; color: var(--fog-400); font-size: 16px; }
.post-row .arrow { font: 500 20px/1 var(--display); color: var(--fog-500); }
.post-row:hover .arrow { color: var(--mint); }
@media (max-width: 720px) { .post-row { grid-template-columns: 1fr; gap: 6px; } .post-row .arrow { display: none; } }

/* ── checkup page ───────────────────────────────────── */
.hero { padding: 64px 0 72px; background: radial-gradient(70rem 30rem at 90% -20%, rgba(46, 233, 168, .12), transparent 60%), var(--ink-900); border-bottom: 1px solid var(--ink-700); }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: start; }
@media (max-width: 960px) { .hero-grid { grid-template-columns: 1fr; gap: 40px; } }
.hero .actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.price-line { display: flex; align-items: baseline; gap: 14px; margin-top: 30px; }
.price-line .num { font: 700 56px/1 var(--display); color: var(--fog-100); letter-spacing: -.03em; white-space: nowrap; }
.price-line .num small { font-size: 22px; color: var(--fog-400); margin-left: 4px; }
.price-line .note { font: 500 12px/1.5 var(--mono); color: var(--fog-500); text-transform: uppercase; letter-spacing: .12em; }

.panel { background: var(--ink-800); border: 1px solid var(--ink-700); border-radius: 24px; padding: 28px; }
.panel h2 { font-size: 22px; }
.panel p.small { font-size: 14px; color: var(--fog-500); margin: 8px 0 0; }
.check-form { display: flex; gap: 10px; margin-top: 20px; }
.check-form input { flex: 1; min-width: 0; }
@media (max-width: 480px) { .check-form { flex-direction: column; } .check-form .btn { width: 100%; } }
input, select, textarea { width: 100%; background: var(--ink-900); border: 1px solid var(--ink-600); border-radius: 12px; color: var(--fog-100); font: 400 16px/1.4 var(--body); padding: 14px 16px; transition: border-color .2s; }
input::placeholder, textarea::placeholder { color: var(--fog-500); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--mint); }
select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--fog-400) 50%), linear-gradient(135deg, var(--fog-400) 50%, transparent 50%); background-position: calc(100% - 20px) 52%, calc(100% - 15px) 52%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 40px; }
textarea { min-height: 110px; resize: vertical; }
label span { display: block; font: 500 11px/1.3 var(--mono); text-transform: uppercase; letter-spacing: .14em; color: var(--fog-400); margin-bottom: 7px; }
.result { margin-top: 18px; border-radius: 16px; padding: 18px 20px; border: 1px solid var(--ink-600); background: var(--ink-900); display: none; }
.result.show { display: block; }
.result .verdict { font: 700 18px/1.3 var(--display); color: var(--fog-100); display: flex; gap: 10px; align-items: center; }
.result .verdict i { width: 10px; height: 10px; border-radius: 50%; flex: none; background: var(--fog-500); }
.result.bad .verdict i { background: var(--red); } .result.warn .verdict i { background: var(--amber); } .result.ok .verdict i { background: var(--mint); }
.result dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; margin: 14px 0 0; font-size: 14px; }
.result dt { font: 500 11px/1.8 var(--mono); text-transform: uppercase; letter-spacing: .12em; color: var(--fog-500); }
.result dd { margin: 0; color: var(--fog-300); word-break: break-word; }
.result p { margin: 12px 0 0; font-size: 15px; }
.result .btn { margin-top: 16px; }

section.block { padding: 88px 0; border-bottom: 1px solid var(--ink-700); }
@media (max-width: 640px) { section.block { padding: 64px 0; } .hero { padding: 40px 0 56px; } .article-head { padding: 44px 0 32px; } }
.block-head { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: end; margin-bottom: 44px; }
.block-head p { margin: 0; color: var(--fog-400); }
@media (max-width: 860px) { .block-head { grid-template-columns: 1fr; gap: 16px; } }
.rows { border-top: 1px solid var(--ink-700); }
.row { display: grid; grid-template-columns: 4rem 1fr 1.3fr; gap: 24px; padding: 24px 0; border-bottom: 1px solid var(--ink-700); align-items: baseline; }
.row .n { font: 500 13px/1 var(--mono); color: var(--mint); }
.row h3 { font-size: 19px; }
.row p { margin: 0; color: var(--fog-400); font-size: 16px; }
@media (max-width: 760px) { .row { grid-template-columns: 2.6rem 1fr; } .row p { grid-column: 2; } }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: 1px solid var(--ink-700); border-radius: 22px; overflow: hidden; }
.step { padding: 30px; border-right: 1px solid var(--ink-700); }
.step:last-child { border-right: 0; }
.step .n { font: 700 44px/1 var(--display); color: var(--ink-600); }
.step h3 { margin: 18px 0 8px; }
.step p { margin: 0; color: var(--fog-400); font-size: 16px; }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr; } .step { border-right: 0; border-bottom: 1px solid var(--ink-700); } .step:last-child { border-bottom: 0; } }

.form-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 56px; align-items: start; }
@media (max-width: 960px) { .form-grid { grid-template-columns: 1fr; gap: 32px; } }
.form-grid aside ul { list-style: none; padding: 0; margin: 28px 0 0; }
.form-grid aside li { padding: 14px 0; border-top: 1px solid var(--ink-700); color: var(--fog-300); display: flex; gap: 12px; }
.form-grid aside li::before { content: '✓'; color: var(--mint); font-weight: 700; }
.fields { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.fields .full { grid-column: 1 / -1; }
@media (max-width: 600px) { .fields { grid-template-columns: 1fr; } }
.form-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; margin-top: 22px; }
.form-foot .small { font-size: 13px; color: var(--fog-500); margin: 0; flex: 1 1 16rem; }
.form-msg { margin-top: 18px; border-radius: 14px; padding: 16px 18px; display: none; }
.form-msg.ok { display: block; background: rgba(46, 233, 168, .08); border: 1px solid rgba(46, 233, 168, .4); color: var(--fog-100); }
.form-msg.err { display: block; background: rgba(255, 107, 107, .08); border: 1px solid rgba(255, 107, 107, .4); color: var(--fog-100); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

details.faq { border-bottom: 1px solid var(--ink-700); }
details.faq summary { cursor: pointer; list-style: none; padding: 22px 40px 22px 0; position: relative; font: 600 18px/1.4 var(--display); color: var(--fog-100); }
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after { content: '+'; position: absolute; right: 4px; top: 18px; font: 400 26px/1 var(--display); color: var(--mint); transition: transform .2s; }
details.faq[open] summary::after { transform: rotate(45deg); }
details.faq p { margin: 0 0 22px; color: var(--fog-400); max-width: 50rem; }
.faq-list { border-top: 1px solid var(--ink-700); }

/* ── footer ─────────────────────────────────────────── */
footer.foot { padding: 48px 0 40px; background: var(--ink-950); }
footer.foot .shell { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 24px; align-items: center; }
footer.foot p { margin: 0; font-size: 14px; color: var(--fog-500); }
footer.foot nav { display: flex; flex-wrap: wrap; gap: 20px; }
footer.foot nav a { color: var(--fog-400); text-decoration: none; font: 500 12px/1 var(--mono); text-transform: uppercase; letter-spacing: .12em; }
footer.foot nav a:hover { color: var(--mint); }

.wa-fab { position: fixed; right: 18px; bottom: 18px; z-index: 30; width: 56px; height: 56px; border-radius: 50%; background: #25D366; display: grid; place-items: center; box-shadow: 0 10px 30px rgba(0, 0, 0, .4); }
.wa-fab svg { width: 28px; height: 28px; fill: #fff; }