/* Kit Cobrança Inteligente — estética "recibo editorial"
   Papel quente + verde-Pix profundo + serifa de jornal. Zero dependências externas. */

:root {
  --papel: #f7f3ea;
  --papel-alto: #fffdf8;
  --tinta: #182420;
  --tinta-suave: #4f5d57;
  --verde: #0c6b52;
  --verde-escuro: #07372b;
  --ambar: #c9930a;
  --linha: #ddd5c4;
  --sombra: 0 18px 40px -18px rgba(24, 36, 32, .35);
  --serif: Georgia, 'Iowan Old Style', 'Times New Roman', serif;
  --sans: 'Avenir Next', 'Segoe UI', 'Helvetica Neue', sans-serif;
}

* { box-sizing: border-box; margin: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  color: var(--tinta);
  background:
    radial-gradient(1200px 500px at 85% -10%, rgba(12, 107, 82, .08), transparent 60%),
    repeating-linear-gradient(0deg, transparent 0 34px, rgba(24, 36, 32, .025) 34px 35px),
    var(--papel);
  line-height: 1.6;
  font-size: 17px;
}

main { max-width: 1080px; margin: 0 auto; padding: 0 22px; }

/* ---------- topo ---------- */
.topo {
  display: flex; justify-content: space-between; align-items: center;
  max-width: 1080px; margin: 0 auto; padding: 18px 22px;
}
.marca { font-family: var(--serif); font-weight: bold; font-size: 1.25rem; letter-spacing: .02em; }
.topo-cta {
  font-size: .88rem; text-decoration: none; color: var(--verde);
  border: 1.5px solid var(--verde); border-radius: 999px; padding: 7px 16px;
  transition: background .2s, color .2s;
}
.topo-cta:hover { background: var(--verde); color: var(--papel-alto); }

/* ---------- hero ---------- */
.hero {
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px;
  align-items: center; padding: 56px 0 72px;
}
.selo {
  display: inline-block; font-size: .78rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--verde); border: 1px dashed var(--verde); border-radius: 4px; padding: 4px 10px;
  margin-bottom: 18px; background: var(--papel-alto);
}
h1 {
  font-family: var(--serif); font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 1.08; letter-spacing: -.015em; margin-bottom: 18px;
}
h1 em { color: var(--verde); font-style: italic; }
.sub { font-size: 1.12rem; color: var(--tinta-suave); max-width: 34em; margin-bottom: 28px; }

.hero-acao { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.btn-principal {
  display: inline-block; background: var(--verde); color: #fff; text-decoration: none;
  font-weight: 600; font-size: 1.02rem; padding: 15px 30px; border-radius: 10px;
  box-shadow: 0 10px 24px -10px rgba(12, 107, 82, .55);
  transition: transform .15s, box-shadow .15s, background .2s;
}
.btn-principal:hover { transform: translateY(-2px); background: var(--verde-escuro);
  box-shadow: 0 16px 30px -10px rgba(12, 107, 82, .55); }
.btn-principal.grande { font-size: 1.15rem; padding: 18px 40px; }
.preco-hero { font-family: var(--serif); font-size: 1.5rem; color: var(--tinta); }
.preco-hero small { font-size: .85rem; color: var(--tinta-suave); font-family: var(--sans); }
.nota-ia { margin-top: 18px; font-size: .82rem; color: var(--tinta-suave); font-style: italic; }

/* chat mockup */
.hero-chat { justify-self: end; width: 100%; max-width: 380px; }
.chat-janela {
  background: var(--papel-alto); border: 1px solid var(--linha); border-radius: 18px;
  padding: 16px; box-shadow: var(--sombra); transform: rotate(1.2deg);
}
.chat-cab {
  display: flex; align-items: center; gap: 8px; font-size: .8rem; color: var(--tinta-suave);
  border-bottom: 1px solid var(--linha); padding-bottom: 10px; margin-bottom: 12px;
}
.chat-avatar {
  width: 26px; height: 26px; border-radius: 50%; background: var(--verde); color: #fff;
  display: inline-flex; align-items: center; justify-content: center; font-weight: 700; font-size: .8rem;
}
.bolha {
  max-width: 88%; padding: 10px 14px; border-radius: 14px; font-size: .9rem;
  margin-bottom: 10px; line-height: 1.45;
}
.bolha.enviada { background: #dcf3e7; border-bottom-right-radius: 4px; margin-left: auto; }
.bolha.recebida { background: #efeae0; border-bottom-left-radius: 4px; }
.bolha.curta { width: fit-content; }
.chat-status { text-align: right; font-size: .75rem; color: var(--verde); font-weight: 600; }
.chat-legenda { text-align: center; font-size: .78rem; color: var(--tinta-suave); margin-top: 12px; }

/* ---------- seções ---------- */
section { padding: 56px 0; }
.secao-titulo {
  font-family: var(--serif); font-size: clamp(1.5rem, 3vw, 2.1rem);
  margin-bottom: 28px; letter-spacing: -.01em;
}
.secao-titulo::after {
  content: ""; display: block; width: 64px; height: 3px; background: var(--ambar); margin-top: 10px;
}

/* dor */
.dor-grade { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; }
.dor-item {
  background: var(--papel-alto); border: 1px solid var(--linha); border-left: 4px solid var(--ambar);
  border-radius: 10px; padding: 18px 20px; font-size: 1rem;
}
.dor-fecho { margin-top: 26px; font-family: var(--serif); font-size: 1.25rem; max-width: 36em; }

/* para quem */
.paraquem-lista { list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 12px; padding: 0; }
.paraquem-lista li { padding-left: 28px; position: relative; font-size: 1.02rem; }
.paraquem-lista li::before { content: "✓"; position: absolute; left: 0; color: var(--verde); font-weight: 700; }

/* recibo */
.recibo {
  background: var(--papel-alto); border: 1px solid var(--linha); border-radius: 4px;
  max-width: 620px; padding: 28px 30px; font-size: .98rem;
  box-shadow: var(--sombra); position: relative;
}
.recibo::before, .recibo::after {
  content: ""; position: absolute; left: 0; right: 0; height: 8px;
  background: repeating-linear-gradient(90deg, var(--papel-alto) 0 12px, transparent 12px 20px);
}
.recibo::before { top: -8px; } .recibo::after { bottom: -8px; transform: scaleY(-1); }
.recibo-linha {
  display: flex; justify-content: space-between; gap: 16px; padding: 9px 0;
  border-bottom: 1px dashed var(--linha);
}
.recibo-linha span:last-child { color: var(--tinta-suave); white-space: nowrap; }
.recibo-linha.bonus span:first-child { color: var(--ambar); font-weight: 600; }
.recibo-total {
  display: flex; justify-content: space-between; padding-top: 14px; margin-top: 6px;
  font-family: var(--serif); font-weight: 700; font-size: 1.15rem;
}

/* exemplos */
.exemplos-grade { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; }
.exemplo {
  background: var(--verde-escuro); color: #e9f3ee; border-radius: 14px; padding: 24px;
  display: flex; flex-direction: column; gap: 12px;
}
.exemplo figcaption { font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; color: #8fc6ad; }
.exemplo blockquote { font-family: var(--serif); font-size: 1.05rem; line-height: 1.5; }

/* benefícios */
.beneficios-grade { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 22px; }
.beneficio { border-top: 2px solid var(--tinta); padding-top: 14px; }
.b-num { font-family: var(--serif); font-size: 1.6rem; color: var(--ambar); display: block; margin-bottom: 6px; }

/* oferta */
.oferta { text-align: center; }
.oferta-cartao {
  background: var(--papel-alto); border: 2px solid var(--tinta); border-radius: 18px;
  max-width: 460px; margin: 0 auto; padding: 40px 32px;
  box-shadow: 8px 8px 0 var(--verde);
}
.oferta-rotulo { font-size: .82rem; letter-spacing: .14em; text-transform: uppercase; color: var(--tinta-suave); }
.oferta-preco { font-family: var(--serif); font-size: 3.4rem; margin: 8px 0 4px; }
.oferta-detalhe { font-size: .9rem; color: var(--tinta-suave); margin-bottom: 24px; }
.oferta-miudos { font-size: .78rem; color: var(--tinta-suave); margin-top: 14px; }
.aviso-juridico { font-size: .82rem; color: var(--tinta-suave); margin-top: 26px; }

/* faq */
.faq { max-width: 680px; }
.faq details { border-bottom: 1px solid var(--linha); padding: 14px 0; }
.faq summary { cursor: pointer; font-weight: 600; font-size: 1.02rem; list-style: none; position: relative; padding-right: 28px; }
.faq summary::after { content: "+"; position: absolute; right: 4px; color: var(--verde); font-size: 1.3rem; line-height: 1; transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin-top: 10px; color: var(--tinta-suave); }

/* rodapé */
.rodape {
  background: var(--tinta); color: #c8d2cd; text-align: center;
  padding: 40px 22px; margin-top: 60px; font-size: .88rem;
}
.rodape p { margin: 4px 0; }
.rodape strong { color: #fff; }
.rodape-aviso { font-size: .78rem; opacity: .75; margin-top: 10px; }

/* ---------- animações ---------- */
.reveal { opacity: 0; transform: translateY(14px); animation: surgir .7s ease forwards; }
.hero .reveal:nth-child(2) { animation-delay: .08s; }
.hero .reveal:nth-child(3) { animation-delay: .16s; }
.hero .reveal:nth-child(4) { animation-delay: .24s; }
.hero .reveal:nth-child(5) { animation-delay: .32s; }
.hero-chat.reveal { animation-delay: .35s; }
@keyframes surgir { to { opacity: 1; transform: none; } }

.ver { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.ver.visivel { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal, .ver { animation: none; transition: none; opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ---------- responsivo ---------- */
@media (max-width: 840px) {
  .hero { grid-template-columns: 1fr; padding-top: 28px; }
  .hero-chat { justify-self: center; }
  section { padding: 40px 0; }
}