/* ============================================================
   ECIAA — Design System v2 (make-clean, base clara, multicolor)
   Fonte única de estilo do site. Referenciar via <link href="/styles.css">.
   Tipografia: Satoshi (Fontshare). Paleta: violeta + coral + ciano.
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* superfícies */
  --bg:        #FBFAFF;   /* off-white levíssimo arroxeado */
  --surface:   #FFFFFF;   /* cards */
  --surface-2: #F3F1FB;   /* seções alternadas / blocos sutis */
  --ink:       #171522;   /* texto principal near-black arroxeado */
  --muted:     #6B6880;   /* texto secundário */
  --faint:     #9C99AE;   /* labels/detalhes */
  --border:    rgba(23,21,34,0.09);
  --border-2:  rgba(23,21,34,0.14);

  /* marca multicolor */
  --violet:    #7C3AED;   /* cor primária / CTA */
  --violet-2:  #6D28D9;   /* violeta profundo (hover) */
  --violet-soft: rgba(124,58,237,0.10);
  --coral:     #FB6F4A;   /* acento quente */
  --coral-soft: rgba(251,111,74,0.12);
  --cyan:      #12B5C9;   /* acento frio */
  --cyan-soft: rgba(18,181,201,0.12);

  /* gradientes */
  --grad-hero: linear-gradient(120deg, #7C3AED 0%, #FB6F4A 52%, #12B5C9 100%);
  --grad-text: linear-gradient(100deg, #7C3AED 0%, #C026D3 40%, #FB6F4A 100%);
  --grad-line: linear-gradient(90deg, #7C3AED, #FB6F4A, #12B5C9);

  /* sombras coloridas difusas */
  --shadow-soft:  0 18px 50px -22px rgba(124,58,237,0.28);
  --shadow-hover: 0 28px 70px -24px rgba(124,58,237,0.40);
  --shadow-card:  0 2px 8px rgba(23,21,34,0.04), 0 12px 32px -18px rgba(23,21,34,0.14);

  /* raios */
  --r-pill: 999px;
  --r-card: 22px;
  --r-md: 16px;
  --r-sm: 10px;

  /* tipografia */
  --font: 'Satoshi', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;

  /* layout */
  --maxw: 1180px;
  --pad: 4rem;
}

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: rgba(124,58,237,0.18); }

h1, h2, h3, h4 { font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; color: var(--ink); }

a { color: inherit; }

.container { max-width: var(--maxw); margin: 0 auto; padding-left: var(--pad); padding-right: var(--pad); }

.grad-text {
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

/* ---------- Eyebrow / tags ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--violet);
  background: var(--violet-soft);
  padding: 0.4rem 0.9rem; border-radius: var(--r-pill);
}
.eyebrow.coral { color: var(--coral); background: var(--coral-soft); }
.eyebrow.cyan  { color: var(--cyan);  background: var(--cyan-soft); }

/* ---------- Buttons (pill) ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  font-family: var(--font); font-weight: 600; font-size: 0.95rem;
  padding: 0.85rem 1.7rem; border-radius: var(--r-pill);
  border: 1px solid transparent; cursor: pointer; text-decoration: none;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}
.btn-primary { background: var(--violet); color: #fff; box-shadow: var(--shadow-soft); }
.btn-primary:hover { background: var(--violet-2); transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--border-2); }
.btn-ghost:hover { border-color: var(--violet); color: var(--violet); transform: translateY(-2px); }
.btn-sm { padding: 0.55rem 1.2rem; font-size: 0.85rem; }
.btn-lg { padding: 1rem 2.1rem; font-size: 1rem; }

/* ---------- Navbar ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem var(--pad);
  background: rgba(251,250,255,0.72);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.logo {
  font-weight: 800; font-size: 1.25rem; letter-spacing: -0.04em;
  color: var(--ink); text-decoration: none;
}
.logo span {
  background: var(--grad-text); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.nav-links { display: flex; align-items: center; gap: 2rem; list-style: none; }
.nav-links a {
  font-size: 0.92rem; font-weight: 500; color: var(--muted);
  text-decoration: none; transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--ink); }
.nav-links a.btn { color: #fff; }
.nav-links a.btn.btn-ghost { color: var(--ink); }
.nav-toggle {
  display: none; width: 42px; height: 42px; border: 1px solid var(--border-2);
  background: var(--surface); border-radius: var(--r-sm); cursor: pointer;
  position: relative;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ''; position: absolute; left: 50%; width: 18px; height: 2px;
  background: var(--ink); border-radius: 2px; transform: translateX(-50%);
  transition: transform 0.25s ease, opacity 0.2s ease;
}
.nav-toggle span { top: 50%; transform: translate(-50%,-50%); }
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after  { top: 6px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { top: 0; transform: translateX(-50%) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after  { top: 0; transform: translateX(-50%) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  padding: 11rem var(--pad) 5rem;
  text-align: center;
}
.hero-mesh { position: absolute; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.blob {
  position: absolute; border-radius: 50%; filter: blur(70px); opacity: 0.55;
  will-change: transform;
}
.blob-v  { width: 46vw; height: 46vw; left: -8vw;  top: -6vw;  background: radial-gradient(circle at 30% 30%, #7C3AED, transparent 68%); animation: drift1 22s ease-in-out infinite; }
.blob-c  { width: 40vw; height: 40vw; right: -6vw; top: 2vw;   background: radial-gradient(circle at 60% 40%, #FB6F4A, transparent 66%); animation: drift2 26s ease-in-out infinite; }
.blob-cy { width: 42vw; height: 42vw; left: 22vw;  bottom: -18vw; background: radial-gradient(circle at 50% 50%, #12B5C9, transparent 66%); animation: drift3 30s ease-in-out infinite; }
@keyframes drift1 { 0%,100%{ transform: translate(0,0) scale(1);} 50%{ transform: translate(6vw,4vw) scale(1.12);} }
@keyframes drift2 { 0%,100%{ transform: translate(0,0) scale(1);} 50%{ transform: translate(-5vw,5vw) scale(1.08);} }
@keyframes drift3 { 0%,100%{ transform: translate(0,0) scale(1);} 50%{ transform: translate(4vw,-6vw) scale(1.15);} }

.hero-inner { position: relative; z-index: 1; max-width: 900px; margin: 0 auto; }
.hero h1 {
  font-size: clamp(2.75rem, 6.5vw, 6rem);
  font-weight: 900; line-height: 1.02; letter-spacing: -0.035em;
  margin: 1.6rem 0 0;
}
.hero-sub {
  font-size: clamp(1.05rem, 1.6vw, 1.3rem); color: var(--muted);
  line-height: 1.6; max-width: 620px; margin: 1.6rem auto 0;
}
.hero-actions { display: flex; gap: 1rem; justify-content: center; margin-top: 2.4rem; flex-wrap: wrap; }

/* prova social */
.proof {
  margin-top: 4.5rem; display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1rem; max-width: 900px; margin-left: auto; margin-right: auto;
}
.proof-item {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-card);
  padding: 1.6rem 1rem; box-shadow: var(--shadow-card);
}
.proof-num { font-size: 2.1rem; font-weight: 800; letter-spacing: -0.04em; }
.proof-num.v { color: var(--violet); } .proof-num.c { color: var(--coral); } .proof-num.cy { color: var(--cyan); }
.proof-label { font-size: 0.72rem; color: var(--muted); margin-top: 0.4rem; line-height: 1.4; }

/* ---------- Marquee ---------- */
.marquee { overflow: hidden; padding: 1.1rem 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--surface-2); }
.marquee-track { display: flex; gap: 2.5rem; white-space: nowrap; width: max-content; animation: marquee 28s linear infinite; }
.marquee-item { display: inline-flex; align-items: center; gap: 2.5rem; font-size: 0.82rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.marquee-item::after { content: '✦'; color: var(--violet); font-size: 0.7rem; }
@keyframes marquee { from { transform: translateX(0);} to { transform: translateX(-50%);} }

/* ---------- Sections ---------- */
section { position: relative; }
.section { padding: 7rem 0; }
.section.alt { background: var(--surface-2); }
.section-head { max-width: 640px; margin: 0 auto 3.5rem; text-align: center; }
.section-head.left { margin-left: 0; text-align: left; }
.section-title { font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 800; letter-spacing: -0.03em; }
.section-lead { color: var(--muted); font-size: 1.05rem; margin-top: 1rem; line-height: 1.6; }

/* ---------- Generic card ---------- */
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-card);
  padding: 2.2rem; box-shadow: var(--shadow-card);
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: var(--border-2); }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 4rem; align-items: center; }
.about-text p { color: var(--muted); font-size: 1.05rem; line-height: 1.75; margin-bottom: 1.2rem; }
.about-text p strong { color: var(--ink); font-weight: 600; }
.about-stack { display: grid; gap: 1rem; }
.stack-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-md); padding: 1.3rem 1.5rem; box-shadow: var(--shadow-card); }
.stack-label { font-size: 0.7rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--violet); }
.stack-value { font-size: 1.05rem; font-weight: 700; margin-top: 0.3rem; }
.stack-bar { height: 6px; background: var(--surface-2); border-radius: var(--r-pill); overflow: hidden; margin-top: 0.8rem; }
.stack-fill { height: 100%; border-radius: var(--r-pill); background: var(--grad-line); animation: barGrow 1.4s cubic-bezier(.2,.7,.2,1) forwards; }
@keyframes barGrow { from { width: 0 !important; } }

/* ---------- Services ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
.service .service-icon {
  width: 52px; height: 52px; border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center; font-size: 1.4rem;
  background: var(--violet-soft); color: var(--violet); margin-bottom: 1.4rem;
}
.service:nth-child(3n+2) .service-icon { background: var(--coral-soft); color: var(--coral); }
.service:nth-child(3n) .service-icon { background: var(--cyan-soft); color: var(--cyan); }
.service h3 { font-size: 1.2rem; margin-bottom: 0.7rem; }
.service p { color: var(--muted); font-size: 0.95rem; line-height: 1.65; }

/* ---------- Cases ---------- */
.case { padding: 0; overflow: hidden; margin-bottom: 1.6rem; }
.case-grid { display: grid; grid-template-columns: 1.2fr 1fr; }
.case-body { padding: 2.8rem; }
.case-metrics { padding: 2.8rem; display: grid; grid-template-columns: 1fr 1fr; gap: 1.8rem; align-content: center; background: var(--surface-2); }
.case-title { font-size: 1.5rem; margin: 0.8rem 0 1rem; }
.case-desc { color: var(--muted); font-size: 0.98rem; line-height: 1.7; }
.cm-num { font-size: 2rem; font-weight: 800; letter-spacing: -0.04em; }
.cm-num.v { color: var(--violet);} .cm-num.c { color: var(--coral);} .cm-num.cy { color: var(--cyan);}
.cm-label { font-size: 0.72rem; color: var(--muted); margin-top: 0.25rem; line-height: 1.4; }
.case-tags { display: flex; flex-wrap: wrap; gap: 0.6rem; padding: 1.4rem 2.8rem; border-top: 1px solid var(--border); }
.case-tags span { font-size: 0.75rem; color: var(--muted); background: var(--surface-2); border: 1px solid var(--border); padding: 0.35rem 0.8rem; border-radius: var(--r-pill); }

/* ---------- Testimonials ---------- */
.quote .q-mark { font-size: 2.6rem; line-height: 0.6; color: var(--violet); opacity: 0.5; font-family: Georgia, serif; }
.quote p { font-size: 1rem; line-height: 1.65; margin: 1rem 0 1.4rem; color: var(--ink); }
.quote .q-author { font-size: 0.78rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--violet); }

/* ---------- Blog cards (home + listagem) ---------- */
.chip {
  display: inline-block; font-size: 0.68rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 0.28rem 0.7rem; border-radius: var(--r-pill);
  color: var(--violet); background: var(--violet-soft);
}
.chip.whatsapp, .chip.cyan { color: var(--cyan); background: var(--cyan-soft); }
.chip.automacao, .chip.coral { color: var(--coral); background: var(--coral-soft); }
.chip.agentes { color: var(--violet); background: var(--violet-soft); }
.post-card { display: block; text-decoration: none; color: inherit; }
.post-meta { display: flex; align-items: center; gap: 0.8rem; margin-bottom: 1rem; }
.post-date { font-size: 0.75rem; color: var(--faint); }
.post-title { font-size: 1.15rem; font-weight: 700; line-height: 1.35; margin-bottom: 0.7rem; }
.post-excerpt { color: var(--muted); font-size: 0.92rem; line-height: 1.6; }
.post-read { display: inline-flex; align-items: center; gap: 0.4rem; margin-top: 1.2rem; font-weight: 600; font-size: 0.9rem; color: var(--violet); transition: gap 0.25s; }
.post-card:hover .post-read { gap: 0.7rem; }

/* filtros */
.filters { display: flex; gap: 0.7rem; flex-wrap: wrap; justify-content: center; margin-bottom: 3rem; }
.filter-btn {
  font-family: var(--font); font-size: 0.85rem; font-weight: 600;
  padding: 0.5rem 1.1rem; border-radius: var(--r-pill); cursor: pointer;
  border: 1px solid var(--border-2); background: var(--surface); color: var(--muted);
  transition: all 0.2s;
}
.filter-btn:hover { border-color: var(--violet); color: var(--violet); }
.filter-btn.active { background: var(--violet); border-color: var(--violet); color: #fff; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
.contact-info h2 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; letter-spacing: -0.03em; }
.contact-info p { color: var(--muted); font-size: 1.05rem; line-height: 1.7; margin: 1.2rem 0 2rem; }
.contact-item { display: flex; align-items: center; gap: 0.8rem; color: var(--muted); font-size: 0.95rem; margin-bottom: 0.8rem; }
.contact-item .ci-icon { width: 40px; height: 40px; border-radius: var(--r-sm); background: var(--violet-soft); color: var(--violet); display: flex; align-items: center; justify-content: center; }
.form { display: grid; gap: 1.1rem; }
.form-group { display: grid; gap: 0.4rem; }
.form-label { font-size: 0.78rem; font-weight: 600; color: var(--muted); }
.form-input, .form-textarea {
  font-family: var(--font); font-size: 0.95rem; color: var(--ink);
  background: var(--surface); border: 1px solid var(--border-2); border-radius: var(--r-sm);
  padding: 0.85rem 1.1rem; width: 100%; outline: none; transition: border-color 0.2s, box-shadow 0.2s;
}
.form-input:focus, .form-textarea:focus { border-color: var(--violet); box-shadow: 0 0 0 3px var(--violet-soft); }
.form-textarea { resize: vertical; min-height: 130px; }

/* ---------- Footer (bloco escuro de contraste) ---------- */
.footer { background: var(--ink); color: #E7E5F0; padding: 4rem var(--pad) 2.5rem; }
.footer-top { max-width: var(--maxw); margin: 0 auto; display: flex; justify-content: space-between; align-items: flex-start; gap: 2rem; flex-wrap: wrap; }
.footer .logo { color: #fff; }
.footer-cta { max-width: 360px; }
.footer-cta h3 { color: #fff; font-size: 1.4rem; margin-bottom: 0.8rem; }
.footer-cta p { color: #A9A6BC; font-size: 0.95rem; line-height: 1.6; margin-bottom: 1.2rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 1.4rem; }
.footer-links a { color: #A9A6BC; text-decoration: none; font-size: 0.9rem; transition: color 0.2s; }
.footer-links a:hover { color: #fff; }
.footer-bottom { max-width: var(--maxw); margin: 2.5rem auto 0; padding-top: 1.8rem; border-top: 1px solid rgba(255,255,255,0.1); display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.footer-copy { color: #7E7B92; font-size: 0.82rem; }

/* ============================================================
   BLOG — página de artigo (template + posts)
   ============================================================ */
.reading-progress { position: fixed; top: 0; left: 0; height: 3px; width: 0; background: var(--grad-line); z-index: 200; transition: width 0.1s linear; }
.article { max-width: 760px; margin: 0 auto; padding-left: 1.5rem; padding-right: 1.5rem; }
.breadcrumb { padding-top: 7rem; font-size: 0.82rem; color: var(--faint); }
.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--violet); }
.breadcrumb span { color: var(--violet); }
.post-header { padding: 2rem 0 2.5rem; border-bottom: 1px solid var(--border); }
.back-link { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.85rem; font-weight: 600; color: var(--muted); text-decoration: none; margin-bottom: 2rem; transition: color 0.2s; }
.back-link:hover { color: var(--violet); }
.post-header .post-meta { margin-bottom: 1.5rem; }
.post-read-time { font-size: 0.8rem; color: var(--faint); }
.post-header h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); font-weight: 800; letter-spacing: -0.03em; line-height: 1.12; margin-bottom: 1.2rem; }
.post-lead { font-size: 1.2rem; line-height: 1.65; color: var(--muted); }

.toc { margin: 2.5rem 0 0; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-card); padding: 1.6rem 1.8rem; box-shadow: var(--shadow-card); }
.toc h4 { font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--faint); margin-bottom: 1rem; }
.toc ol { list-style: none; counter-reset: toc; display: grid; gap: 0.6rem; }
.toc li { counter-increment: toc; }
.toc a { display: flex; gap: 0.8rem; font-size: 0.98rem; color: var(--muted); text-decoration: none; transition: color 0.2s; }
.toc a::before { content: counter(toc, decimal-leading-zero); font-weight: 700; color: var(--violet); }
.toc a:hover, .toc a.active { color: var(--ink); }

.post-content { padding: 3rem 0 1rem; counter-reset: sec; }
.post-content .sec { padding-top: 2rem; scroll-margin-top: 6rem; }
.post-content .sec > h2 { counter-increment: sec; font-size: 1.7rem; font-weight: 800; letter-spacing: -0.02em; margin: 1rem 0 1.2rem; display: flex; align-items: baseline; gap: 0.9rem; }
.post-content .sec > h2::before { content: counter(sec, decimal-leading-zero); font-size: 1rem; font-weight: 700; color: var(--violet); }
.post-content h3 { font-size: 1.25rem; font-weight: 700; color: var(--ink); margin: 2rem 0 0.8rem; }
.post-content p { font-size: 1.08rem; line-height: 1.8; color: #3A3748; margin-bottom: 1.4rem; }
.post-content p strong, .post-content li strong { font-weight: 700; color: var(--ink); }
.post-content ul, .post-content ol { margin: 1.4rem 0 1.4rem 1.4rem; }
.post-content li { font-size: 1.06rem; line-height: 1.75; color: #3A3748; margin-bottom: 0.5rem; }
.post-content a { color: var(--violet); text-decoration: none; border-bottom: 1px solid rgba(124,58,237,0.3); }
.post-content a:hover { border-bottom-color: var(--violet); }
.post-content blockquote { border-left: 3px solid var(--violet); background: var(--violet-soft); padding: 1.2rem 1.8rem; margin: 2rem 0; border-radius: 0 var(--r-md) var(--r-md) 0; }
.post-content blockquote p { font-size: 1.2rem; line-height: 1.6; color: var(--ink); margin: 0; }

figure { margin: 2.5rem 0; }
figure svg, figure img { display: block; width: 100%; height: auto; max-width: 100%; border: 1px solid var(--border); border-radius: var(--r-md); background: var(--surface); }
figcaption { font-size: 0.82rem; color: var(--faint); text-align: center; margin-top: 0.8rem; }

.metric-highlight { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin: 2.5rem 0; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-card); padding: 2rem; box-shadow: var(--shadow-card); }
.metric-highlight .m-num { font-size: 2rem; font-weight: 800; letter-spacing: -0.04em; color: var(--violet); }
.metric-highlight div:nth-child(2) .m-num { color: var(--coral); }
.metric-highlight div:nth-child(3) .m-num { color: var(--cyan); }
.metric-highlight .m-label { font-size: 0.72rem; color: var(--muted); margin-top: 0.3rem; line-height: 1.4; }
.divider { border: none; border-top: 1px solid var(--border); margin: 3rem 0; }

.faq { max-width: 760px; margin: 0 auto; padding: 2rem 1.5rem 4rem; }
.faq h2 { font-size: 1.7rem; font-weight: 800; margin-bottom: 1.5rem; }
.faq details { border: 1px solid var(--border); border-radius: var(--r-md); margin-bottom: 0.8rem; background: var(--surface); box-shadow: var(--shadow-card); }
.faq summary { font-size: 1.02rem; font-weight: 600; color: var(--ink); padding: 1.2rem 1.5rem; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; color: var(--violet); font-size: 1.3rem; font-weight: 400; }
.faq details[open] summary::after { content: '−'; }
.faq details p { font-size: 1rem; color: var(--muted); line-height: 1.75; padding: 0 1.5rem 1.4rem; }

.post-cta { max-width: 760px; margin: 0 auto 5rem; background: var(--grad-hero); border-radius: var(--r-card); padding: 2.6rem; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; box-shadow: var(--shadow-soft); }
.post-cta h3 { color: #fff; font-size: 1.4rem; }
.post-cta p { color: rgba(255,255,255,0.85); font-size: 0.95rem; margin-top: 0.4rem; }
.post-cta .btn { background: #fff; color: var(--violet); }
.post-cta .btn:hover { background: #fff; transform: translateY(-2px); }

.related { max-width: 760px; margin: 0 auto; padding: 0 1.5rem 5rem; }
.related h4 { font-size: 0.75rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--faint); margin-bottom: 1.5rem; }
.related-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.related-card { display: block; text-decoration: none; color: inherit; }
.related-card .r-title { font-size: 1rem; font-weight: 700; line-height: 1.35; margin-top: 0.6rem; }

/* ============================================================
   Páginas legais (prose)
   ============================================================ */
.legal { max-width: 800px; margin: 0 auto; padding: 8rem 1.5rem 5rem; }
.legal h1 { font-size: clamp(2rem, 4.5vw, 3rem); font-weight: 800; letter-spacing: -0.03em; margin: 1.2rem 0 0.8rem; }
.legal .updated { font-size: 0.85rem; color: var(--faint); margin-bottom: 2.5rem; }
.legal h2 { font-size: 1.4rem; font-weight: 700; margin: 2.6rem 0 1rem; }
.legal p, .legal li { font-size: 1.05rem; line-height: 1.8; color: #3A3748; margin-bottom: 0.9rem; }
.legal ul, .legal ol { padding-left: 1.4rem; margin-bottom: 1rem; }
.legal strong { color: var(--ink); font-weight: 700; }
.legal a { color: var(--violet); text-decoration: none; border-bottom: 1px solid rgba(124,58,237,0.3); }
.legal a:hover { border-bottom-color: var(--violet); }
.contact-card { margin-top: 2rem; padding: 1.8rem; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-card); box-shadow: var(--shadow-card); }
.contact-card .label { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--violet); margin-bottom: 0.6rem; }
.contact-card .value { font-size: 1.05rem; font-weight: 600; }

/* ---------- Ecossistema (diagrama de integrações) ---------- */
.eco-wrap { max-width: 1080px; margin: 0 auto; }
.eco-diagram { width: 100%; height: auto; display: block; }
.eco-link { fill: none; stroke-width: 2.4; stroke-linecap: round; stroke-dasharray: 0.1 9; opacity: 0.6; animation: ecoflow 20s linear infinite; }
@keyframes ecoflow { to { stroke-dashoffset: -180; } }
.eco-dot { filter: drop-shadow(0 0 3px rgba(23,21,34,0.18)); }
.eco-node { filter: drop-shadow(0 10px 22px rgba(23,21,34,0.10)); }
.eco-hub { filter: drop-shadow(0 16px 34px rgba(124,58,237,0.28)); }
.eco-node-name { font-family: var(--font); font-weight: 700; font-size: 15px; fill: var(--ink); }
.eco-node-sub { font-family: var(--font); font-weight: 500; font-size: 10.5px; fill: var(--muted); }
.eco-hub-name { font-family: var(--font); font-weight: 900; font-size: 34px; fill: url(#eco-txt); letter-spacing: -1px; }
.eco-hub-sub { font-family: var(--font); font-weight: 600; font-size: 12px; fill: var(--muted); letter-spacing: 1px; text-transform: uppercase; }

/* fallback mobile: grade de chips */
.eco-grid { display: none; }
.eco-center-m { grid-column: 1 / -1; text-align: center; background: var(--grad-hero); color: #fff; border-radius: var(--r-card); padding: 1.5rem; box-shadow: var(--shadow-soft); margin-bottom: 0.3rem; }
.eco-center-m .logo { color: #fff; font-size: 1.7rem; }
.eco-center-m .logo span { -webkit-text-fill-color: #fff; background: none; }
.eco-center-m p { color: rgba(255,255,255,0.88); font-size: 0.85rem; margin-top: 0.3rem; }
.eco-chip { display: flex; align-items: center; gap: 0.75rem; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-md); padding: 0.9rem; box-shadow: var(--shadow-card); }
.eco-chip svg { width: 28px; height: 28px; flex-shrink: 0; }
.eco-chip b { font-size: 0.92rem; font-weight: 700; display: block; }
.eco-chip span { font-size: 0.7rem; color: var(--muted); }

@media (max-width: 760px) {
  .eco-diagram { display: none; }
  .eco-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem; }
}

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

/* ============================================================
   Responsivo
   ============================================================ */
@media (max-width: 900px) {
  :root { --pad: 1.5rem; }
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed; top: 64px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0.4rem;
    background: var(--surface); border-bottom: 1px solid var(--border);
    padding: 1rem var(--pad) 1.6rem; box-shadow: var(--shadow-card);
    transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease;
  }
  .nav-links.open { transform: none; opacity: 1; pointer-events: auto; }
  .nav-links a { padding: 0.6rem 0; }
  .nav-links a.btn { justify-content: center; margin-top: 0.4rem; }

  .hero { padding: 8.5rem var(--pad) 3.5rem; }
  .proof { grid-template-columns: 1fr 1fr; }
  .section { padding: 4.5rem 0; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .grid-3 { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: 1fr; }
  .case-metrics { border-top: 1px solid var(--border); }
  .metric-highlight { grid-template-columns: 1fr 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .footer-top { flex-direction: column; }
}

@media (max-width: 520px) {
  .proof { grid-template-columns: 1fr 1fr; }
  .case-metrics { grid-template-columns: 1fr 1fr; }
  .post-cta { flex-direction: column; align-items: flex-start; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
  .blob { animation: none !important; }
  .reveal { opacity: 1 !important; transform: none !important; }
}