/* ============================================================
   Make it Real — componentes de seção
   ============================================================ */

/* ---------- A TRILHA ---------------------------------------- */
/* Uma coluna vertical que se "imprime" conforme você rola. */

.trail { background: var(--ink-850); border-block: 1px solid var(--line); }

.trail__list { position: relative; display: grid; }

/* A espinha: trilho cinza + preenchimento colorido controlado por JS */
.trail__spine {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  border-radius: var(--layer-r);
  background: var(--line);
  overflow: hidden;
}
.trail__spine b {
  position: absolute;
  inset: 0 0 auto 0;
  height: var(--fill, 0%);
  border-radius: var(--layer-r);
  background: linear-gradient(
    to bottom,
    var(--l-orange) 0%,
    var(--l-lime) 26%,
    var(--l-green) 50%,
    var(--l-magenta) 74%,
    var(--l-blue) 100%
  );
  transition: height .18s linear;
}

.step {
  position: relative;
  padding: clamp(2.25rem, 4.5vw, 3.5rem) 0 clamp(2.25rem, 4.5vw, 3.5rem) clamp(2.5rem, 6vw, 5.5rem);
  border-top: 1px solid var(--line);
}
.step:first-child { border-top: 0; }

/* O nó na espinha */
.step::before {
  content: "";
  position: absolute;
  left: -6px;
  top: calc(clamp(2.25rem, 4.5vw, 3.5rem) + .55em);
  width: 15px; height: 15px;
  border-radius: 50%;
  background: var(--ink-850);
  box-shadow: inset 0 0 0 3px var(--line);
  transition: box-shadow .5s var(--ease), transform .5s var(--ease);
  z-index: 2;
}
.step.is-in::before {
  box-shadow: inset 0 0 0 5px var(--step-c, var(--l-lime));
  transform: scale(1.12);
}

.step__grid { display: grid; gap: clamp(1.25rem, 3vw, 2.5rem); }
@media (min-width: 940px) {
  .step__grid { grid-template-columns: 15rem 1fr 16rem; align-items: start; }
}

.step__no {
  font-family: var(--f-mono);
  font-size: var(--t-label);
  letter-spacing: .16em;
  color: var(--step-c, var(--l-lime));
  display: flex;
  align-items: baseline;
  gap: .8rem;
}
.step__no b {
  font-family: var(--f-display);
  font-size: clamp(2.6rem, 5vw, 3.8rem);
  font-weight: 800;
  letter-spacing: -.05em;
  line-height: .8;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--step-c, var(--l-lime));
  transition: color .6s var(--ease);
}
.step.is-in .step__no b { color: var(--step-c, var(--l-lime)); }

.step__body { max-width: 58ch; }
.step__body h3 { margin-bottom: .7rem; }
.step__body p { color: var(--paper-dim); font-size: var(--t-sm); }

/* Perguntas que fazemos em cada etapa */
.step__asks { display: grid; gap: .5rem; margin-top: 1.25rem; }
.step__asks li {
  font-size: var(--t-sm);
  color: var(--paper-dim);
  padding-left: 1.35rem;
  position: relative;
}
.step__asks li::before {
  content: "";
  position: absolute;
  left: 0; top: .68em;
  width: 14px; height: 3px;
  border-radius: var(--layer-r);
  background: var(--step-c, var(--l-lime));
  opacity: .8;
}

/* Ficha de entregáveis */
.step__out {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.25rem;
  background: var(--ink-800);
  display: grid;
  gap: .9rem;
  align-content: start;
}
.step__out dt {
  font-family: var(--f-mono);
  font-size: var(--t-micro);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--paper-mute);
  margin-bottom: .3rem;
}
.step__out dd { margin: 0; font-size: var(--t-sm); color: var(--paper); }
.step__out .chips { display: flex; flex-wrap: wrap; gap: .35rem; }
.step__out .chips span {
  font-family: var(--f-mono);
  font-size: var(--t-micro);
  letter-spacing: .06em;
  padding: .35em .7em;
  border-radius: var(--layer-r);
  background: var(--ink-600);
  color: var(--paper-dim);
  white-space: nowrap;
}

/* ---------- CENÁRIO (as 6 dimensões) ------------------------- */
.scen__grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
}
@media (min-width: 700px)  { .scen__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1080px) { .scen__grid { grid-template-columns: repeat(3, 1fr); } }

.dim-card {
  background: var(--ink-850);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  display: grid;
  gap: 1rem;
  align-content: start;
  position: relative;
  isolation: isolate;
  transition: background .45s var(--ease);
}
.dim-card::after {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 4px;
  background: var(--c, var(--l-lime));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .55s var(--ease);
}
.dim-card:hover { background: var(--ink-800); }
.dim-card:hover::after { transform: scaleX(1); }

.dim-card__ico {
  width: 44px; height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: color-mix(in srgb, var(--c) 14%, transparent);
  color: var(--c);
}
.dim-card__ico svg { width: 22px; height: 22px; }

.dim-card h3 { font-size: 1.2rem; letter-spacing: -.015em; }
.dim-card p { font-size: var(--t-sm); color: var(--paper-dim); margin: 0; }

.dim-card__ask {
  font-family: var(--f-mono);
  font-size: var(--t-micro);
  letter-spacing: .06em;
  line-height: 1.7;
  color: var(--paper-mute);
  border-top: 1px dashed var(--line-2);
  padding-top: .9rem;
  margin-top: .25rem;
}
.dim-card__ask b { color: var(--c); font-weight: 500; }

/* ---------- TECNOLOGIA / TABELA ------------------------------ */
.tech { background: var(--ink-850); border-block: 1px solid var(--line); }

.tech__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin-bottom: 2rem;
  padding: .35rem;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--layer-r);
  width: fit-content;
  max-width: 100%;
}
.tech__tab {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--paper-mute);
  font-family: var(--f-mono);
  font-size: var(--t-label);
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .75em 1.3em;
  border-radius: var(--layer-r);
  cursor: pointer;
  transition: background .35s var(--ease), color .35s var(--ease);
  white-space: nowrap;
}
.tech__tab[aria-selected="true"] { background: var(--paper); color: var(--ink-900); }
.tech__tab:hover:not([aria-selected="true"]) { color: var(--paper); }

.tech__panel[hidden] { display: none; }
.tech__panel { display: grid; gap: 2rem; }
@media (min-width: 1000px) {
  .tech__panel { grid-template-columns: .9fr 1.1fr; align-items: start; gap: clamp(2rem, 5vw, 4rem); }
}
.tech__copy { display: grid; gap: 1.1rem; align-content: start; }
.tech__copy h3 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
.tech__copy p { color: var(--paper-dim); margin: 0; }

.specs { display: grid; gap: 0; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.specs > div {
  display: grid;
  grid-template-columns: minmax(9rem, 34%) 1fr;
  gap: 1rem;
  padding: .95rem 1.15rem;
  border-top: 1px solid var(--line);
  background: var(--ink-800);
  font-size: var(--t-sm);
}
.specs > div:first-child { border-top: 0; }
.specs dt {
  font-family: var(--f-mono);
  font-size: var(--t-micro);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--paper-mute);
  align-self: center;
}
.specs dd { margin: 0; color: var(--paper); }

/* Tabela comparativa — legível e citável */
.tbl-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--ink-800);
  -webkit-overflow-scrolling: touch;
}
table.tbl {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  font-size: var(--t-sm);
}
table.tbl caption {
  text-align: left;
  padding: 1.15rem 1.25rem .25rem;
  font-family: var(--f-mono);
  font-size: var(--t-label);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--paper-mute);
}
table.tbl th, table.tbl td {
  padding: .9rem 1.25rem;
  text-align: left;
  border-top: 1px solid var(--line);
  vertical-align: top;
}
table.tbl thead th {
  font-family: var(--f-mono);
  font-size: var(--t-micro);
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--paper-mute);
  white-space: nowrap;
}
table.tbl tbody th {
  font-family: var(--f-body);
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
}
table.tbl td { color: var(--paper-dim); }
table.tbl tbody tr:hover td,
table.tbl tbody tr:hover th { background: var(--ink-700); }
.tbl .ok  { color: var(--l-green); font-weight: 600; }
.tbl .mid { color: var(--l-lime); font-weight: 600; }
.tbl .no  { color: var(--paper-mute); }

/* Nota tecnica de rodape de bloco (fonte, ressalva, endereco). */
.note {
  font-family: var(--f-mono);
  font-size: var(--t-micro);
  letter-spacing: .06em;
  line-height: 1.7;
  color: var(--paper-mute);
}

/* ---------- CASOS ------------------------------------------- */
.cases__grid { display: grid; gap: 1.25rem; }
@media (min-width: 760px)  { .cases__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .cases__grid { grid-template-columns: repeat(4, 1fr); } }

.case {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.5rem;
  background: var(--ink-850);
  display: grid;
  gap: .9rem;
  align-content: start;
  transition: transform .5s var(--ease), border-color .5s var(--ease);
}
.case:hover { transform: translateY(-4px); border-color: var(--line-2); }
.case h3 { font-size: 1.1rem; }
.case p { font-size: var(--t-sm); color: var(--paper-dim); margin: 0; }
.case .layers { width: 46px; }
.case:hover .layers i:nth-child(3) { background: var(--c, var(--l-blue)); }
.case dl { display: grid; gap: .4rem; margin: .35rem 0 0; padding-top: .9rem; border-top: 1px solid var(--line); }
.case dl div { display: flex; justify-content: space-between; gap: 1rem; font-size: var(--t-sm); }
.case dt { font-family: var(--f-mono); font-size: var(--t-micro); letter-spacing: .1em; text-transform: uppercase; color: var(--paper-mute); }
.case dd { margin: 0; color: #fff; font-weight: 600; font-variant-numeric: tabular-nums; }

/* ---------- FAQ --------------------------------------------- */
.faq { background: var(--ink-850); border-block: 1px solid var(--line); }
.faq__list { display: grid; border-top: 1px solid var(--line); }

.qa { border-bottom: 1px solid var(--line); }
.qa summary {
  list-style: none;
  cursor: pointer;
  padding: 1.5rem 3rem 1.5rem 0;
  position: relative;
  font-family: var(--f-display);
  font-size: clamp(1.05rem, 1.9vw, 1.35rem);
  font-weight: 700;
  letter-spacing: -.015em;
  line-height: 1.3;
  color: var(--paper);
  transition: color .3s var(--ease);
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary:hover { color: #fff; }

/* Sinal +/− feito de duas camadas.
   Os dois traços ocupam exatamente a MESMA caixa; o de cima só está girado
   90°. Assim ficam concêntricos por construção, sem deslocamento a calcular —
   e ao abrir o traço volta a 0° e some sobre o outro, virando um "−". */
.qa summary::before,
.qa summary::after {
  content: "";
  position: absolute;
  right: .25rem;
  top: 50%;
  width: 16px;
  height: 3px;
  margin-top: -1.5px;
  border-radius: var(--layer-r);
  background: var(--l-lime);
  transition: transform .4s var(--ease);
}
.qa summary::after       { transform: rotate(90deg); }
.qa[open] summary::after { transform: rotate(0deg); }
.qa[open] summary { color: #fff; }

.qa__a {
  padding: 0 clamp(0px, 6vw, 5rem) 1.75rem 0;
  color: var(--paper-dim);
  font-size: var(--t-sm);
  max-width: 78ch;
  animation: qaIn .45s var(--ease);
}
.qa__a p { margin-bottom: .8em; }
@keyframes qaIn { from { opacity: 0; transform: translateY(-6px); } }

/* ---------- CTA / CONTATO ------------------------------------ */
.cta { position: relative; overflow: hidden; }
.cta__in {
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
}
@media (min-width: 980px) {
  .cta__in { grid-template-columns: 1fr 1fr; align-items: start; }
}
.cta__title { font-size: var(--t-h2); max-width: 14ch; }

.form { display: grid; gap: 1rem; }
.form__row { display: grid; gap: 1rem; }
@media (min-width: 620px) { .form__row { grid-template-columns: 1fr 1fr; } }

.field { display: grid; gap: .5rem; }
.field label {
  font-family: var(--f-mono);
  font-size: var(--t-micro);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--paper-mute);
}
.field input,
.field select,
.field textarea {
  width: 100%;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: .95rem 1rem;
  color: var(--paper);
  font-family: var(--f-body);
  font-size: var(--t-sm);
  transition: border-color .3s var(--ease), background .3s var(--ease);
}
.field textarea { resize: vertical; min-height: 120px; }
.field input::placeholder,
.field textarea::placeholder { color: #575d66; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--l-lime);
  background: var(--ink-700);
}
.field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1.5 6 6.5l5-5' stroke='%237d838c' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form__foot { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; margin-top: .5rem; }
.form__note { font-family: var(--f-mono); font-size: var(--t-micro); letter-spacing: .06em; color: var(--paper-mute); line-height: 1.7; }

.form__ok {
  border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--l-green) 45%, var(--line));
  background: color-mix(in srgb, var(--l-green) 10%, transparent);
  color: var(--paper);
  padding: 1rem 1.15rem;
  font-size: var(--t-sm);
}
.form__ok[hidden] { display: none; }

.cta__aside { display: grid; gap: 1.75rem; align-content: start; }
.cta__points { display: grid; gap: 1rem; }
.cta__points li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .9rem;
  align-items: start;
  font-size: var(--t-sm);
  color: var(--paper-dim);
}
.cta__points li::before {
  content: "";
  width: 18px; height: 3px;
  margin-top: .6em;
  border-radius: var(--layer-r);
  background: var(--l-magenta);
}
.cta__points b { color: #fff; }

.cta__direct {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--ink-850);
  padding: 1.5rem;
  display: grid;
  gap: .9rem;
}
.cta__direct a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: var(--t-sm);
  padding: .55rem 0;
  border-bottom: 1px solid var(--line);
  transition: color .3s var(--ease);
}
.cta__direct a:last-child { border-bottom: 0; }
.cta__direct a:hover { color: var(--l-lime); }
.cta__direct a span:first-child {
  font-family: var(--f-mono);
  font-size: var(--t-micro);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--paper-mute);
}

/* ---------- RODAPÉ ------------------------------------------- */
.foot { border-top: 1px solid var(--line); background: var(--ink-900); padding-block: clamp(3rem, 6vw, 5rem) 2rem; }
.foot__top { display: grid; gap: 2.5rem; margin-bottom: 3rem; }
@media (min-width: 860px) { .foot__top { grid-template-columns: 1.4fr 1fr 1fr; } }
.foot__brand { display: grid; gap: 1.25rem; align-content: start; }
.foot__brand img { height: 52px; width: auto; }
.foot__brand p { font-size: var(--t-sm); color: var(--paper-mute); max-width: 34ch; margin: 0; }
.foot__col { display: grid; gap: .75rem; align-content: start; }
.foot__col h4 {
  font-family: var(--f-mono);
  font-size: var(--t-micro);
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--paper-mute);
  margin-bottom: .35rem;
}
.foot__col a, .foot__col span { font-size: var(--t-sm); color: var(--paper-dim); transition: color .3s var(--ease); }
.foot__col a:hover { color: var(--l-lime); }

.foot__bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--line);
  font-family: var(--f-mono);
  font-size: var(--t-micro);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--paper-mute);
}

/* Assinatura final: a pilha de camadas em largura total */
.foot__layers { display: flex; gap: 4px; margin-bottom: 2rem; }
.foot__layers i { height: 6px; border-radius: var(--layer-r); flex: 1; opacity: .85; }

/* ---------- Prancha fotográfica ------------------------------ */
/* Imagens entram como "prancha técnica": moldura fina, legenda
   monoespaçada. Nunca como decoração solta. */
.plate { margin: 0; display: grid; gap: .85rem; }
.plate__frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--ink-800);
  isolation: isolate;
}
.plate__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: var(--ar, 16 / 9);
  transform: scale(1.001);
  transition: transform 1.1s var(--ease);
}
.plate:hover .plate__frame img { transform: scale(1.035); }

/* Marcador de canto — carimbo de ficha técnica */
.plate__frame::after {
  content: attr(data-mark);
  position: absolute;
  left: 12px; bottom: 12px;
  z-index: 2;
  font-family: var(--f-mono);
  font-size: var(--t-micro);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--paper);
  background: rgba(8, 9, 10, .72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: .45em .8em;
  border-radius: var(--layer-r);
}

.plate figcaption {
  font-family: var(--f-mono);
  font-size: var(--t-micro);
  letter-spacing: .06em;
  line-height: 1.75;
  color: var(--paper-mute);
  max-width: 52ch;
}
.plate figcaption b { color: var(--paper-dim); font-weight: 500; }

/* Bloco de duas colunas: texto + prancha */
.split {
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
@media (min-width: 960px) {
  .split { grid-template-columns: 1fr 1fr; }
  .split--flip .split__media { order: -1; }
}
.split__copy { display: grid; gap: 1.15rem; align-content: start; }

/* ---------- A MARCA SOZINHA (símbolo, sem o nome) ------------- */
/* Usado como carimbo entre seções e como marca-d'água.
   As barras "imprimem" de dentro para fora quando entram em cena. */
.mark { display: block; width: 100%; height: auto; overflow: visible; }
.mark rect {
  transform-box: fill-box;
  transform-origin: center;
  transform: scaleX(.06);
  opacity: 0;
  transition:
    transform .8s var(--ease) var(--md, 0ms),
    opacity   .4s linear      var(--md, 0ms);
}
.mark.is-in rect { transform: scaleX(1); opacity: 1; }

/* Ordem de impressão: do meio para as pontas, como a peça cresce. */
.mark rect:nth-of-type(1) { --md: 260ms; }
.mark rect:nth-of-type(2) { --md: 220ms; }
.mark rect:nth-of-type(3) { --md: 300ms; }
.mark rect:nth-of-type(4) { --md: 140ms; }
.mark rect:nth-of-type(5) { --md: 40ms; }
.mark rect:nth-of-type(6) { --md: 0ms; }
.mark rect:nth-of-type(7) { --md: 90ms; }
.mark rect:nth-of-type(8) { --md: 340ms; }
.mark rect:nth-of-type(9) { --md: 380ms; }
.mark rect:nth-of-type(10){ --md: 420ms; }

/* Carimbo divisor entre seções */
.stamp {
  display: grid;
  justify-items: center;
  gap: 1.1rem;
  padding-block: clamp(3rem, 7vw, 5.5rem);
  border-top: 1px solid var(--line);
}
.stamp .mark { width: clamp(96px, 12vw, 148px); }
.stamp p {
  margin: 0;
  font-family: var(--f-mono);
  font-size: var(--t-micro);
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--paper-mute);
  text-align: center;
}

/* Marca-d'água gigante ao fundo de uma seção */
.watermark {
  position: absolute;
  right: -6%;
  bottom: -8%;
  width: min(58vw, 720px);
  z-index: 0;
  opacity: .05;
  pointer-events: none;
  filter: grayscale(1);
}
.watermark rect { transform: none; opacity: 1; transition: none; }
.cta > .wrap { position: relative; z-index: 1; }

/* Símbolo pequeno como bullet de card */
.mark--chip { width: 44px; }

/* ---------- Card de aplicação com foto ----------------------- */
.case { padding: 0; overflow: hidden; }
.case__shot {
  position: relative;
  margin: 0;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.case__shot img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transform: scale(1.001);
  transition: transform 1.1s var(--ease);
}
.case:hover .case__shot img { transform: scale(1.06); }
.case__shot::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 4px;
  background: var(--c, var(--l-blue));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .6s var(--ease);
}
.case:hover .case__shot::after { transform: scaleX(1); }
.case__body {
  padding: 1.4rem;
  display: grid;
  gap: .8rem;
  align-content: start;
}

/* ---------- Controles nativos --------------------------------- */
/* `color-scheme: dark` ja resolve a lista do select na maioria dos
   navegadores; estas regras cobrem os que ignoram e pintariam branco. */
.field select option {
  background-color: var(--ink-800);
  color: var(--paper);
}
.field select optgroup {
  background-color: var(--ink-900);
  color: var(--paper-mute);
}

/* ---------- Botão flutuante do WhatsApp ---------------------- */
/* Verde da marca, não o verde do WhatsApp: o glifo já dá o reconhecimento,
   e uma cor de fora da paleta destoaria em toda rolagem da página. */
.wa {
  position: fixed;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 3vw, 2rem);
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  padding: .9rem;
  border-radius: var(--layer-r);
  background: var(--l-green);
  color: #04170c;
  box-shadow:
    0 12px 34px rgba(0, 0, 0, .5),
    0 2px 8px rgba(0, 0, 0, .35),
    inset 0 0 0 1px rgba(255, 255, 255, .14);
  /* Nasce escondido: só entra depois que o hero sai de cena. */
  opacity: 0;
  transform: translateY(20px) scale(.92);
  pointer-events: none;
  transition:
    opacity .45s var(--ease),
    transform .45s var(--ease),
    padding .4s var(--ease),
    filter .3s var(--ease);
}
.wa.is-on {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}
.wa:hover { filter: brightness(1.08); }
.wa:active { transform: scale(.96); }

.wa svg { width: 26px; height: 26px; flex: none; display: block; }

/* O rótulo cresce da direita para a esquerda ao passar o mouse. */
.wa__txt {
  font-family: var(--f-mono);
  font-size: var(--t-label);
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  white-space: nowrap;
  max-width: 0;
  opacity: 0;
  overflow: hidden;
  transition:
    max-width .45s var(--ease),
    opacity .3s var(--ease);
}
.wa:hover .wa__txt,
.wa:focus-visible .wa__txt { max-width: 14rem; opacity: 1; }
.wa:hover, .wa:focus-visible { padding-right: 1.2rem; }

/* Sem hover (toque): só o ícone, sempre. */
@media (hover: none) {
  .wa__txt { display: none; }
  .wa { padding: .95rem; }
}

@media (prefers-reduced-motion: reduce) {
  .wa { transform: none; }
}

/* Campo-armadilha: invisível para gente, preenchido por robô. */
.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* Retorno do formulário */
.form__ok--erro {
  border-color: color-mix(in srgb, var(--l-magenta) 45%, var(--line));
  background: color-mix(in srgb, var(--l-magenta) 10%, transparent);
}
.form__ok a { text-decoration: underline; text-underline-offset: 3px; }
.btn[aria-busy="true"] { opacity: .6; pointer-events: none; }