:root {
  --bg: #1D1D26; --surface: #23232E; --surface-2: #2A2A34;
  --border: #2A2A34; --border-strong: #3A3A48;
  --green: #29A152; --green-dim: rgba(41, 161, 82, 0.12);
  --teal: #2C91AD; --text: #FFFFFF; --lede: #E4E4EA;
  --body: #C8C8D0; --muted: #A8A8B2; --caption: #6B6B78;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg); color: var(--text);
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased; line-height: 1.6; overflow-x: hidden;
}
::selection { background: var(--green-dim); color: var(--text); }
a { color: var(--green); text-decoration: none; }
a:hover { color: var(--teal); }
.container { width: 100%; max-width: 760px; margin: 0 auto; padding: 0 24px; }

.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100; padding: 18px 0;
  background: rgba(29, 29, 38, 0.85); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border); transition: padding 0.3s;
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; max-width: 1320px; margin: 0 auto; padding: 0 32px; }
.nav-links { display: flex; align-items: center; gap: 32px; font-size: 13px; font-weight: 500; }
.nav-links a { color: var(--muted); transition: color 0.2s; }
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-cta { padding: 9px 18px; background: var(--green); color: #FFFFFF !important; border-radius: 6px; font-weight: 700; font-size: 13px; }
.nav-cta:hover { background: #34c065; }
@media (max-width: 768px) {
  .nav-links { gap: 16px; }
  .nav-links a:not(.nav-cta) { display: none; }
  .nav-inner { padding: 0 16px; }
  .nav-brand img { height: 40px !important; }
}

.read-progress { position: fixed; top: 0; left: 0; height: 3px; width: 0; background: var(--green); z-index: 110; transition: width 0.1s; }

article { padding: 140px 0 40px; }
.post-back { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; color: var(--muted); margin-bottom: 28px; }
.post-back:hover { color: var(--text); }
.post-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.post-tag { font-size: 10px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--teal); background: rgba(44,145,173,0.12); padding: 4px 10px; border-radius: 100px; }
h1.post-title { font-size: clamp(30px, 4.4vw, 46px); font-weight: 800; line-height: 1.08; letter-spacing: -0.025em; margin-bottom: 16px; }
.post-sub { font-size: clamp(17px, 1.4vw, 20px); color: var(--lede); line-height: 1.5; margin-bottom: 24px; }
.post-byline { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--caption); padding-bottom: 28px; margin-bottom: 36px; border-bottom: 1px solid var(--border); }
.post-byline .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--caption); }
.post-byline strong { color: var(--body); font-weight: 600; }
.post-cover { width: 100%; border-radius: 14px; margin-bottom: 36px; display: block; }

.content { font-size: 17.5px; color: var(--body); }
.content h2 { font-size: clamp(24px, 3vw, 32px); font-weight: 700; color: var(--text); letter-spacing: -0.015em; margin: 44px 0 16px; line-height: 1.2; }
.content h3 { font-size: clamp(20px, 2.2vw, 24px); font-weight: 700; color: var(--text); margin: 36px 0 12px; }
.content p { margin-bottom: 22px; line-height: 1.75; }
.content ul, .content ol { margin: 0 0 22px 22px; }
.content li { margin-bottom: 8px; line-height: 1.7; }
.content a { color: var(--green); text-decoration: underline; text-underline-offset: 3px; }
.content a:hover { color: var(--teal); }
.content strong { color: var(--text); font-weight: 700; }
.content blockquote { border-left: 3px solid var(--green); padding: 4px 0 4px 22px; margin: 28px 0; color: var(--lede); font-style: italic; font-size: 19px; }
.content img { max-width: 100%; border-radius: 12px; margin: 28px 0; }
.content code { background: var(--surface-2); padding: 2px 7px; border-radius: 5px; font-size: 0.9em; }
.content pre { background: var(--surface); border: 1px solid var(--border); padding: 18px; border-radius: 10px; overflow-x: auto; margin: 28px 0; }
.content pre code { background: none; padding: 0; }
.content hr { border: 0; height: 1px; background: var(--border); margin: 40px 0; }

.cta-box { margin: 56px 0 0; padding: 36px; background: var(--surface); border: 1px solid var(--border-strong); border-radius: 16px; }
.cta-box h3 { font-size: 22px; font-weight: 700; color: var(--text); margin-bottom: 8px; letter-spacing: -0.01em; }
.cta-box p { font-size: 15px; color: var(--muted); margin-bottom: 22px; }
.cta-btn { display: inline-block; background: var(--green); color: #fff; border: 0; border-radius: 8px; padding: 14px 22px; font-weight: 700; font-size: 14.5px; cursor: pointer; transition: background 0.2s; }
.cta-btn:hover { background: #34c065; color: #fff; }
/* formulário de lead, mesmo padrão da home */
.form-row { margin-bottom: 18px; }
.form-row label { display: block; font-size: 11px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.form-row input, .form-row select, .form-row textarea { width: 100%; padding: 12px 14px; background: var(--bg); border: 1px solid var(--border-strong); border-radius: 8px; color: var(--text); font-size: 14.5px; font-family: inherit; transition: border-color 0.2s; }
.form-row input:focus, .form-row select:focus, .form-row textarea:focus { outline: none; border-color: var(--green); }
.form-row textarea { resize: vertical; min-height: 96px; }
.form-row select { cursor: pointer; }
.form-row.split { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-submit { width: 100%; padding: 15px; background: var(--green); color: #fff; border: 0; border-radius: 8px; font-size: 14px; font-weight: 700; letter-spacing: 0.02em; cursor: pointer; transition: background 0.2s; font-family: inherit; }
.form-submit:hover { background: #34c065; }
.form-submit:disabled { opacity: 0.6; cursor: wait; }
.form-success { display: none; padding: 28px; background: rgba(41,161,82,0.08); border: 1px solid var(--green); border-radius: 8px; color: var(--lede); text-align: center; }
.form-success.show { display: block; }
.form-success h4 { color: var(--green); font-size: 22px; margin-bottom: 10px; }
.form-error { display: none; padding: 12px 14px; background: rgba(225,60,60,0.1); border: 1px solid #E13C3C; border-radius: 8px; color: var(--lede); font-size: 13px; margin-top: 10px; }
.form-error.show { display: block; }
@media (max-width: 520px) { .form-row.split { grid-template-columns: 1fr; } }

/* FAQ do artigo */
.post-faq { margin: 48px 0 8px; }
.post-faq .faq-title { font-size: clamp(22px, 3vw, 28px); font-weight: 700; color: var(--text); letter-spacing: -0.015em; margin-bottom: 8px; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item summary { list-style: none; cursor: pointer; padding: 20px 0; font-size: 16.5px; font-weight: 600; color: var(--text); display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; color: var(--green); font-size: 24px; font-weight: 400; line-height: 1; flex-shrink: 0; transition: transform 0.2s; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-a { padding: 0 0 22px; color: var(--body); font-size: 16px; line-height: 1.7; }

.state { min-height: 60vh; display: flex; align-items: center; justify-content: center; color: var(--muted); font-size: 15px; padding-top: 100px; }

footer { background: #15151C; padding: 64px 0 40px; border-top: 1px solid var(--border); margin-top: 80px; }
footer .container { max-width: 1320px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 12px; color: var(--caption); }
.footer-bottom a { color: var(--muted); }