/* weflow.chat - folha de estilo principal */

:root {
  --bg:        #07090c;
  --bg-soft:   #0d1117;
  --panel:     #11161f;
  --line:      #1e2733;
  --line-soft: #161d27;

  --ink:       #e9eef5;
  --ink-dim:   #9aa7b8;
  --ink-faint: #64707f;

  --accent:      #21e07a;
  --accent-deep: #0fae5c;
  --accent-glow: rgba(33, 224, 122, .14);
  --accent-dark: #0c7a44;

  --radius: 14px;
  --maxw:   1140px;

  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: "Instrument Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Malha de fundo. Fica atrás de tudo e não intercepta cliques. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 100%);
  opacity: .5;
  pointer-events: none;
  z-index: 0;
}

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }

a { color: inherit; text-decoration: none; }

h1, h2, h3 { line-height: 1.15; letter-spacing: -.025em; margin: 0; }

/* ---------- Etiquetas de secção ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 28px; height: 1px;
  background: var(--accent);
  opacity: .6;
}

/* ---------- Botões ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: 10px;
  font-weight: 600;
  font-size: .95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #04150c;
  box-shadow: 0 0 0 0 var(--accent-glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 30px -8px var(--accent-glow), 0 0 0 4px var(--accent-glow); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: transparent; }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

/* ---------- Cabeçalho ---------- */
header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(7, 9, 12, .72);
  border-bottom: 1px solid transparent;
  transition: border-color .3s ease;
}
header.scrolled { border-bottom-color: var(--line); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.12rem; letter-spacing: -.03em; }
/* A marca é SVG, não um quadrado com uma letra dentro. Fica sem caixa e
   sem fundo de propósito: o desenho é que identifica, não o contentor. */
.brand-mark { width: 34px; height: 26px; display: block; flex-shrink: 0; }
.brand span { color: var(--ink-faint); font-weight: 500; }
.nav-links { display: flex; gap: 30px; font-size: .9rem; color: var(--ink-dim); }
.nav-links a:hover { color: var(--ink); }
.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-toggle { display: none; background: none; border: 0; color: var(--ink); font-size: 1.5rem; cursor: pointer; }

/* ---------- Hero ---------- */
.hero { padding: 92px 0 72px; }
.status-pill {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--mono); font-size: .72rem; letter-spacing: .12em;
  color: var(--ink-dim);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 7px 15px; margin-bottom: 30px;
}
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 0 var(--accent); animation: pulse 2.2s infinite; }
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(33,224,122,.6); }
  70%  { box-shadow: 0 0 0 8px rgba(33,224,122,0); }
  100% { box-shadow: 0 0 0 0 rgba(33,224,122,0); }
}

.hero h1 { font-size: clamp(2.5rem, 6vw, 4.15rem); font-weight: 800; max-width: 15ch; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero p.lead { color: var(--ink-dim); font-size: 1.13rem; max-width: 56ch; margin: 24px 0 34px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-note { margin-top: 20px; font-size: .84rem; color: var(--ink-faint); }

.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }

/* Maquete de chamada */
.callcard {
  background: linear-gradient(180deg, var(--panel), var(--bg-soft));
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px;
  box-shadow: 0 30px 80px -30px rgba(0,0,0,.9);
}
.callcard-top { display: flex; align-items: center; gap: 12px; padding-bottom: 16px; border-bottom: 1px solid var(--line-soft); }
.avatar {
  width: 42px; height: 42px; border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--bg);
  display: grid; place-items: center;
}
.avatar svg { width: 26px; height: 20px; }
.callcard-top strong { display: block; font-size: .95rem; }
.callcard-top small { color: var(--accent); font-family: var(--mono); font-size: .72rem; }
.timer { margin-left: auto; font-family: var(--mono); font-size: .82rem; color: var(--ink-dim); }

/* Lista de instâncias da maquete do topo */
.inst-list { list-style: none; padding: 0; margin: 18px 0 0; display: flex; flex-direction: column; gap: 2px; }
.inst-list li { display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: 8px; font-size: .84rem; }
.inst-list li:nth-child(odd) { background: rgba(255,255,255,.02); }
.inst-list b { font-family: var(--mono); font-weight: 500; letter-spacing: -.02em; }
.inst-list i { font-style: normal; color: var(--ink-faint); font-size: .8rem; }
.inst-list u { margin-left: auto; text-decoration: none; font-family: var(--mono); font-size: .68rem; color: var(--ink-dim); }
.st { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
.st.on { background: var(--accent); }
.st.warn { background: #e0a021; }
.inst-list li.add { color: var(--ink-faint); border: 1px dashed var(--line); background: none; margin-top: 6px; }
.inst-list li.add span { color: var(--accent); font-weight: 700; }
.inst-list li.add em { margin-left: auto; font-style: normal; font-family: var(--mono); font-size: .68rem; }

.callcard-foot {
  margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line-soft);
  display: flex; justify-content: space-between;
  font-family: var(--mono); font-size: .7rem; color: var(--ink-faint); letter-spacing: .08em;
}

/* ---------- Régua de integrações ---------- */
.marquee { border-block: 1px solid var(--line); padding: 22px 0; overflow: hidden; margin-top: 60px; }
.marquee-label { text-align: center; font-family: var(--mono); font-size: .68rem; letter-spacing: .2em; color: var(--ink-faint); margin-bottom: 16px; }
.marquee-track { display: flex; gap: 52px; width: max-content; animation: slide 34s linear infinite; }
.marquee-track span { font-size: .95rem; color: var(--ink-dim); white-space: nowrap; font-weight: 500; }
@keyframes slide { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- Números ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; margin: 72px 0; }
.stat { background: var(--bg-soft); padding: 30px 24px; }
.stat b { display: block; font-size: 2rem; font-weight: 800; letter-spacing: -.03em; }
.stat u { display: block; text-decoration: none; font-family: var(--mono); font-size: .68rem; letter-spacing: .14em; color: var(--accent); margin: 8px 0 6px; }
.stat p { margin: 0; font-size: .85rem; color: var(--ink-faint); }

/* ---------- Secções ---------- */
section { padding: 88px 0; position: relative; z-index: 1; }
.sec-head { max-width: 62ch; margin-bottom: 52px; }
.sec-head h2 { font-size: clamp(1.9rem, 3.6vw, 2.7rem); font-weight: 800; }
.sec-head p { color: var(--ink-dim); margin-top: 16px; font-size: 1.04rem; }

/* Variante do cabeçalho de secção: título à esquerda, texto à direita.
   Existe para quebrar a repetição do empilhado. Quando todas as secções
   têm a mesma forma, a página lê-se como gerada. */
.sec-head--split {
  max-width: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 48px;
  align-items: end;
}
.sec-head--split p { margin-top: 0; }

/* ---------- Diagrama ---------- */
.diagram {
  margin: 0 0 56px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-soft);
  padding: 26px 26px 20px;
}
.diagram svg { width: 100%; height: auto; display: block; }
.diagram .d-ttl { font-family: var(--sans); font-size: 15px; font-weight: 600; fill: var(--ink); }
.diagram .d-sub { font-family: var(--mono); font-size: 11px; fill: var(--ink-faint); }
.diagram .d-tag { font-family: var(--mono); font-size: 10px; letter-spacing: .14em; }
.diagram figcaption {
  margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line-soft);
  color: var(--ink-dim); font-size: .89rem; max-width: 64ch;
}

/* ---------- Recursos ---------- */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  transition: border-color .2s ease, transform .2s ease;
}
.feature:hover { border-color: #2c3a4d; transform: translateY(-3px); }
.feature.wide { grid-column: span 2; }
.feature-no { font-family: var(--mono); font-size: .68rem; color: var(--accent); letter-spacing: .14em; }
.feature h3 { font-size: 1.12rem; margin: 12px 0 10px; font-weight: 700; }
.feature p { margin: 0; color: var(--ink-dim); font-size: .92rem; }
.feature .chip {
  display: inline-block; margin-top: 16px;
  font-family: var(--mono); font-size: .68rem;
  border: 1px solid var(--line); border-radius: 6px;
  padding: 4px 9px; color: var(--ink-faint);
}

/* ---------- Passos ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.step { position: relative; padding-top: 26px; border-top: 2px solid var(--line); }
.step:hover { border-top-color: var(--accent); }
.step b { font-family: var(--mono); font-size: .72rem; color: var(--accent); letter-spacing: .16em; }
.step h3 { font-size: 1.18rem; margin: 12px 0 10px; }
.step p { margin: 0; color: var(--ink-dim); font-size: .93rem; }

/* ---------- Comparação ---------- */
.compare {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 34px;
  align-items: stretch;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-soft);
  padding: 32px;
  margin-bottom: 40px;
}
.compare-col { display: flex; flex-direction: column; }
.compare-lbl { font-family: var(--mono); font-size: .66rem; letter-spacing: .16em; color: var(--ink-faint); }
.compare-col b { font-size: 2.1rem; font-weight: 800; letter-spacing: -.04em; margin: 10px 0 8px; color: var(--ink-dim); }
.compare-col p { margin: 0; font-size: .89rem; color: var(--ink-faint); }
.compare-col.is-us .compare-lbl { color: var(--accent); }
.compare-col.is-us b { color: var(--accent); }
.compare-col.is-us p { color: var(--ink-dim); }
.compare-sep { width: 1px; background: var(--line); }

/* ---------- Preços ---------- */
.plans { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; align-items: start; }
.plan {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 22px;
  display: flex; flex-direction: column;
  transition: border-color .2s ease, transform .2s ease;
}
.plan:hover { transform: translateY(-4px); }
.plan.featured { border-color: var(--accent); background: linear-gradient(180deg, rgba(33,224,122,.05), var(--bg-soft)); }
.plan-tag {
  position: absolute; transform: translateY(-40px);
  font-family: var(--mono); font-size: .62rem; letter-spacing: .14em;
  background: var(--accent); color: #04150c;
  padding: 4px 10px; border-radius: 999px;
}
.plan h3 { font-size: 1.05rem; font-weight: 700; }
.plan .insts { font-family: var(--mono); font-size: .72rem; color: var(--accent); letter-spacing: .1em; margin-top: 6px; }
.price { display: flex; align-items: baseline; gap: 4px; margin: 20px 0 4px; }
.price .cur { font-size: 1.1rem; color: var(--ink-dim); }
.price .val { font-size: 2.6rem; font-weight: 800; letter-spacing: -.04em; }
.price .per { font-size: .85rem; color: var(--ink-faint); }
.per-inst { font-size: .78rem; color: var(--ink-faint); margin-bottom: 20px; }
.plan ul { list-style: none; padding: 0; margin: 0 0 24px; display: flex; flex-direction: column; gap: 10px; font-size: .88rem; color: var(--ink-dim); }
.plan li { display: flex; gap: 9px; align-items: flex-start; }
.plan li::before { content: "✓"; color: var(--accent); font-weight: 700; flex-shrink: 0; }
.plan .btn { width: 100%; justify-content: center; margin-top: auto; }

.plans-note { text-align: center; margin-top: 28px; color: var(--ink-faint); font-size: .88rem; }

/* ---------- FAQ ---------- */
.faq { max-width: 800px; }
details { border-bottom: 1px solid var(--line); padding: 20px 0; }
details summary {
  cursor: pointer; list-style: none;
  display: flex; justify-content: space-between; gap: 20px;
  font-weight: 600; font-size: 1.02rem;
}
details summary::-webkit-details-marker { display: none; }
details summary::after { content: "+"; color: var(--accent); font-size: 1.3rem; line-height: 1; flex-shrink: 0; }
details[open] summary::after { content: "−"; }
details p { color: var(--ink-dim); margin: 14px 0 0; font-size: .95rem; max-width: 68ch; }

/* ---------- CTA final ---------- */
.cta {
  border: 1px solid var(--line);
  border-radius: 20px;
  background:
    radial-gradient(ellipse 60% 100% at 50% 0%, rgba(33,224,122,.10), transparent 70%),
    var(--bg-soft);
  padding: 66px 32px;
  text-align: center;
}
.cta h2 { font-size: clamp(1.9rem, 4vw, 2.9rem); font-weight: 800; }
.cta p { color: var(--ink-dim); margin: 16px auto 30px; max-width: 48ch; }

/* ---------- Rodapé ---------- */
footer { border-top: 1px solid var(--line); padding: 56px 0 34px; margin-top: 60px; }
.foot-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 40px; }
.foot-grid h4 { font-family: var(--mono); font-size: .68rem; letter-spacing: .16em; color: var(--ink-faint); margin: 0 0 16px; text-transform: uppercase; }
.foot-grid ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; font-size: .89rem; color: var(--ink-dim); }
.foot-grid a:hover { color: var(--accent); }
.foot-about p { color: var(--ink-dim); font-size: .89rem; max-width: 34ch; margin: 14px 0 0; }
.foot-bottom {
  margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--line-soft);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-size: .8rem; color: var(--ink-faint); font-family: var(--mono);
}

/* ---------- Acessibilidade ---------- */

/* Foco visível para quem navega por teclado, sem o anel aparecer a quem
   usa rato. Nunca remover o outline sem pôr algo melhor no lugar. */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}
:focus:not(:focus-visible) { outline: none; }

/* Alvo de toque mínimo de 44px, a regra da Apple e da Google. */
.btn, .nav-links a, details summary { min-height: 44px; }
.nav-links a, details summary { display: flex; align-items: center; }

/* ---------- Revelação ao rolar ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsivo ---------- */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .sec-head--split { grid-template-columns: 1fr; gap: 18px; }
  .compare { grid-template-columns: 1fr; gap: 26px; padding: 26px; }
  .compare-sep { width: auto; height: 1px; }
  /* Num ecrã estreito o diagrama fica ilegível espremido: deixa-se rolar
     na horizontal em vez de encolher a tipografia até desaparecer. */
  .diagram { overflow-x: auto; }
  .diagram svg { min-width: 720px; }
  .features, .steps { grid-template-columns: 1fr 1fr; }
  .feature.wide { grid-column: span 2; }
  .plans { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column; gap: 18px;
    position: absolute; top: 70px; left: 0; right: 0;
    background: var(--bg-soft); border-bottom: 1px solid var(--line);
    padding: 24px;
  }
  .nav-toggle { display: block; }
  .hero { padding: 60px 0 40px; }
  .features, .steps, .plans, .stats, .foot-grid { grid-template-columns: 1fr; }
  .feature.wide { grid-column: span 1; }
  section { padding: 64px 0; }
  .plan-tag { position: static; transform: none; align-self: flex-start; margin-bottom: 12px; }
}

/* Respeita quem pediu menos movimento. */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}