/* IA2 — direção "Orçamento" · papel de papelaria comercial
   Palette: papel #faf7f2 · tinta #26232e · roxo marca #7c3aed · highlighter #ffe600 */

:root {
  --papel: #faf7f2;
  --papel-2: #f3efe7;
  --tinta: #26232e;
  --tinta-2: #57525f;
  --roxo: #7c3aed;
  --roxo-escuro: #5b21b6;
  --hl: rgba(255, 230, 0, 0.5);
  --linha: #d9d2c6;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --display: "Oswald", "Archivo", sans-serif;
  --corpo: "Archivo", system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--corpo);
  color: var(--tinta);
  background: #eae4d7;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.skip {
  position: absolute; left: -9999px;
  background: var(--roxo); color: #fff; padding: .5rem 1rem;
}
.skip:focus { left: 1rem; top: 1rem; z-index: 99; }

/* ---- folha de papel ---- */
.sheet {
  position: relative;
  max-width: 1060px;
  margin: 2.5rem auto 4rem;
  background: var(--papel);
  box-shadow: 0 1px 2px rgba(38, 35, 46, .08), 0 18px 50px -18px rgba(38, 35, 46, .35);
  padding: 1.75rem 1.5rem;
}
@media (min-width: 720px) {
  .sheet { padding: 4rem 4.5rem; }
}

/* furos de pastilha (só desktop) */
.holes {
  display: none;
  position: absolute;
  left: 14px; top: 0; bottom: 0;
  width: 26px;
  background-image: radial-gradient(circle at 13px 90px, var(--papel-2) 9px, #e2dccf 10px, transparent 11px);
  background-size: 26px 160px;
  background-repeat: repeat-y;
  border-right: 1px solid var(--linha);
}
@media (min-width: 1200px) { .holes { display: block; } }

/* ---- cabeçalho do documento ---- */
.doc-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 2px solid var(--tinta);
}
.brand {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: .02em;
}
.brand span { font-family: var(--mono); font-weight: 400; font-size: .8rem; color: var(--tinta-2); }
.doc-meta {
  display: flex; flex-direction: column;
  font-family: var(--mono); font-size: .75rem;
  color: var(--tinta-2); letter-spacing: .04em;
  margin-left: auto; text-align: right;
}

/* ---- carimbo CTA ---- */
.stamp-cta {
  display: inline-block;
  font-family: var(--mono);
  font-weight: 600;
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--roxo);
  border: 3px solid var(--roxo);
  padding: .55rem 1rem;
  text-decoration: none;
  transform: rotate(-2deg);
  box-shadow: 3px 3px 0 rgba(124, 58, 237, .25);
  transition: transform .15s ease, box-shadow .15s ease;
}
.stamp-cta:hover { transform: rotate(0deg) scale(1.02); box-shadow: 4px 5px 0 rgba(124, 58, 237, .35); }
.stamp-cta:focus-visible { outline: 3px solid var(--roxo-escuro); outline-offset: 3px; }

/* ---- hero ---- */
.hero {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  padding: clamp(2rem, 5vw, 3.5rem) 0;
  align-items: start;
}
h1 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(2.8rem, 7vw, 5rem);
  line-height: .98;
  text-transform: uppercase;
  letter-spacing: .01em;
}
.h1-num { display: block; margin-top: .9em; color: var(--roxo); font-size: clamp(1.1rem, 2.5vw, 1.75rem); letter-spacing: .03em; }
.lede { font-size: clamp(1.05rem, 2vw, 1.25rem); font-weight: 500; margin-top: 1.25rem; max-width: 34ch; }
.lede-sub { color: var(--tinta-2); margin-top: .5rem; max-width: 42ch; }

/* resumo (caixa do orçamento) */
.resumo {
  border: 1.5px solid var(--tinta);
  background: #fffdf8;
  padding: 1.25rem 1.25rem .5rem;
  box-shadow: 6px 6px 0 rgba(38, 35, 46, .08);
}
.resumo-row {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 1rem;
  padding: .45rem 0;
  border-bottom: 1px solid var(--linha);
  font-size: .92rem;
}
.resumo-row:last-child { border-bottom: 0; }
.resumo-row .k {
  font-family: var(--mono); font-size: .75rem;
  letter-spacing: .04em; color: var(--tinta-2);
  flex-shrink: 0;
}
.resumo-row .v { text-align: right; font-weight: 500; }
.resumo-total { border-top: 2px solid var(--tinta); }

/* highlighter */
.hl {
  background: linear-gradient(104deg, transparent 2%, var(--hl) 6%, var(--hl) 94%, transparent 98%);
  color: inherit;
  padding: 0 .18em;
  font-weight: 700;
}

/* ---- seções ---- */
section { padding: 2.5rem 0; border-top: 1px solid var(--linha); }
@media (min-width: 720px) {
  section { padding: 3rem 0; }
}
h2 {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  text-transform: uppercase;
  letter-spacing: .02em;
  margin-bottom: 1.75rem;
}
.sec-num {
  font-family: var(--mono);
  font-size: .8rem;
  color: var(--roxo);
  margin-right: .5rem;
  font-weight: 500;
}

/* ---- itens de serviço (01/02/03) ---- */
.item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: clamp(1rem, 3vw, 2rem);
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--linha);
  align-items: start;
}
.item-num {
  font-family: var(--mono);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 600;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--roxo);
  padding-top: .2rem;
}
.item-body h3 {
  font-family: var(--display);
  font-size: 1.25rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .02em;
  margin-bottom: .35rem;
}
.item-body p { color: var(--tinta-2); max-width: 52ch; }
.inclui { margin-top: .6rem; list-style: none; }
.inclui li {
  padding-left: 1.25rem;
  position: relative;
  font-size: .92rem;
}
.inclui li::before {
  content: "→";
  position: absolute; left: 0;
  color: var(--roxo);
  font-family: var(--mono);
}
.item-price {
  text-align: right;
  font-family: var(--mono);
  display: flex; flex-direction: column; gap: .15rem;
  min-width: 11.5rem;
}
.desde { font-size: .78rem; letter-spacing: .04em; text-transform: uppercase; color: var(--tinta-2); }
.item-price .hl { font-size: 1.3rem; align-self: flex-end; white-space: nowrap; }
.cond { font-size: .78rem; color: var(--tinta-2); }

/* total */
.total {
  display: flex; flex-wrap: wrap;
  justify-content: space-between; align-items: center;
  gap: .5rem 1.5rem;
  margin-top: 1.5rem;
  padding: 1.1rem 1.25rem;
  border: 2px solid var(--tinta);
  background: #fffdf8;
}
.total-label {
  font-family: var(--mono); font-size: .78rem;
  letter-spacing: .04em; font-weight: 600;
}
.total-value .hl { font-size: 1.15rem; }
.nota-preco {
  font-family: var(--mono);
  font-size: .78rem;
  color: var(--tinta-2);
  margin-top: .75rem;
}

/* ---- etapas ---- */
.passos { list-style: none; counter-reset: passo; }
.passos li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem;
  padding: 1rem 0;
  border-bottom: 1px dashed var(--linha);
  align-items: baseline;
}
.passos li:last-child { border-bottom: 0; }
.passo-num {
  font-family: var(--mono); font-weight: 600;
  color: var(--roxo); font-size: 1.1rem;
}
.passos h3 {
  font-family: var(--display);
  font-size: 1.05rem;
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: .02em;
}
.passos p { color: var(--tinta-2); font-size: .95rem; }

/* ---- por que a IA2 ---- */
.pq-grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1px;
  background: var(--linha);
  border: 1px solid var(--linha);
}
.pq-grid li {
  background: var(--papel);
  padding: 1.25rem;
}
.pq-grid strong {
  display: block;
  font-family: var(--display);
  text-transform: uppercase;
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: .3rem;
}
.pq-grid span { font-size: .9rem; color: var(--tinta-2); }

/* ---- FAQ ---- */
details {
  border-bottom: 1px solid var(--linha);
  padding: .9rem 0;
}
summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  list-style: none;
  position: relative;
  padding-right: 2rem;
}
summary::-webkit-details-marker { display: none; }
summary::after {
  content: "+";
  position: absolute; right: .25rem; top: 0;
  font-family: var(--mono);
  font-size: 1.3rem;
  color: var(--roxo);
  transition: transform .2s ease;
}
details[open] summary::after { transform: rotate(45deg); }
details p { color: var(--tinta-2); margin-top: .6rem; max-width: 62ch; }

/* ---- aprovação final ---- */
.aprovacao { border-top: 2px solid var(--tinta); }
.aprovacao-inner { text-align: center; padding: clamp(1.5rem, 4vw, 2.5rem) 0; }
.carimbo-grande {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(3rem, 9vw, 5.5rem);
  line-height: 1;
  text-transform: uppercase;
  color: transparent;
  -webkit-text-stroke: 2px var(--roxo);
  transform: rotate(-3deg);
  display: inline-block;
  margin-bottom: 1rem;
}
.aprovacao h2 { margin-bottom: .75rem; }
.aprovacao p { color: var(--tinta-2); max-width: 46ch; margin: 0 auto; }
.cta-final {
  display: inline-block;
  margin: 1.75rem 0 2.5rem;
  font-family: var(--mono);
  font-weight: 600;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  background: var(--roxo);
  color: #fff;
  padding: 1rem 2.25rem;
  text-decoration: none;
  box-shadow: 5px 5px 0 rgba(124, 58, 237, .3);
  transition: transform .15s ease, box-shadow .15s ease;
}
.cta-final:hover { transform: translate(-2px, -2px); box-shadow: 7px 7px 0 rgba(124, 58, 237, .4); }
.cta-final:focus-visible { outline: 3px solid var(--tinta); outline-offset: 3px; }

.assinaturas {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  max-width: 640px;
  margin: 0 auto;
}
.linha-assinatura {
  border-top: 1.5px solid var(--tinta);
  padding-top: .4rem;
  font-family: var(--mono);
  font-size: .75rem;
  letter-spacing: .04em;
  color: var(--tinta-2);
}

/* ---- rodapé ---- */
.rodape {
  border-top: 2px solid var(--tinta);
  padding-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 2rem;
  justify-content: space-between;
  font-size: .88rem;
}
.rodape a { color: var(--tinta); text-underline-offset: 3px; }
.rodape a:hover { color: var(--roxo); }
.rodape-fine { width: 100%; font-family: var(--mono); font-size: .75rem; color: var(--tinta-2); }

/* ---- responsivo ---- */
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; }
  .resumo { max-width: 26rem; }
  .doc-meta { text-align: left; margin-left: 0; }
  .stamp-cta { margin-right: auto; }
}
@media (max-width: 640px) {
  .sheet { margin: 0 auto; }
  .item { grid-template-columns: auto 1fr; }
  .item-price {
    grid-column: 2;
    flex-direction: row;
    align-items: baseline;
    flex-wrap: wrap;
    gap: .4rem .8rem;
    text-align: left;
    min-width: 0;
  }
  .item-price .hl { align-self: auto; }
  .assinaturas { grid-template-columns: 1fr; gap: 1.5rem; }
}

/* ---- movimento reduzido ---- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}


/* ---- chat IA2 ---- */
.chat-fab {
  position: fixed; right: 1.25rem; bottom: 1.25rem;
  width: 3.4rem; height: 3.4rem;
  display: grid; place-items: center;
  background: var(--roxo); color: #fff;
  border: 2px solid var(--tinta); border-radius: .9rem;
  box-shadow: 3px 3px 0 rgba(38,35,46,.18);
  cursor: pointer; z-index: 60;
}
.chat-fab:hover { transform: translate(-1px,-1px); box-shadow: 4px 4px 0 rgba(38,35,46,.22); }
.chat-panel {
  position: fixed; right: 1.25rem; bottom: 5.7rem;
  width: min(21rem, calc(100vw - 2.5rem)); height: 26rem;
  background: var(--papel);
  border: 2px solid var(--tinta); border-radius: .9rem;
  box-shadow: 6px 6px 0 rgba(38,35,46,.2);
  display: none; flex-direction: column; overflow: hidden; z-index: 61;
}
.chat-panel.aberto { display: flex; }
.chat-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: .65rem .9rem; background: var(--roxo); color: #fff;
}
.chat-head strong { display: block; font-size: .9rem; letter-spacing: .02em; }
.chat-head span { font-size: .72rem; opacity: .85; }
.chat-close { background: none; border: 0; color: #fff; font-size: 1.3rem; cursor: pointer; line-height: 1; }
.chat-msgs { flex: 1; overflow-y: auto; padding: .8rem; display: flex; flex-direction: column; gap: .5rem; }
.msg { max-width: 85%; padding: .55rem .75rem; border-radius: .6rem; font-size: .86rem; line-height: 1.45; }
.msg-ia { background: #fff; border: 1.5px solid var(--tinta); align-self: flex-start; }
.msg-ia strong { color: var(--roxo); }
.msg-user { background: var(--tinta); color: var(--papel); align-self: flex-end; }
.msg-handoff { background: var(--hl); border: 1.5px solid var(--tinta); align-self: stretch; max-width: 100%; }
.msg-handoff a { color: var(--tinta); font-weight: 700; }
.chat-form { display: flex; gap: .5rem; padding: .7rem; border-top: 1.5px solid var(--tinta); background: var(--papel-2); }
.chat-input {
  flex: 1; padding: .5rem .7rem; font: inherit; font-size: .9rem;
  border: 1.5px solid var(--tinta); border-radius: .5rem; background: #fff; color: var(--tinta);
}
.chat-form button {
  padding: .5rem .8rem; font: inherit; cursor: pointer;
  background: var(--roxo); color: #fff;
  border: 1.5px solid var(--tinta); border-radius: .5rem;
}
.chat-form button:disabled { opacity: .5; cursor: wait; }
@media (max-width: 480px) {
  .chat-panel { right: .75rem; left: .75rem; width: auto; bottom: 5.6rem; }
  .chat-fab { right: .75rem; bottom: 1.1rem; }
}