/* ==========================================================================
   ALAWI ENGENHARIA — landing page
   Identidade extraída do material institucional do escritório:
   azul-marinho #0D1B37, dourado #B68A2E, papel creme #F5F1E7.
   Tema único e deliberado (a marca é a mesma para todo leitor); todas as
   cores são pintadas explicitamente para não herdar o fundo do hospedeiro.
   ========================================================================== */

:root {
  /* ---- cor ---- */
  --navy:        #0D1B37;
  --navy-700:    #16274A;
  --navy-900:    #091327;
  --gold:        #B68A2E;
  --gold-lt:     #C9A961;
  --gold-soft:   #E8D599;
  --cream:       #F5F1E7;
  --paper:       #FBF9F3;
  --ink:         #14203A;
  --slate:       #56617A;
  --slate-lt:    #9FADC6;
  --line:        #DFD8C8;
  --line-navy:   #27375A;
  --whats:       #1F8F52;

  /* ---- tipografia ---- */
  --serif: "Lora", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --sans:  "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono:  "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --fs-display: clamp(2.35rem, 1.55rem + 3.4vw, 4.05rem);
  --fs-h2:      clamp(1.8rem, 1.35rem + 1.75vw, 2.65rem);
  --fs-h3:      1.155rem;
  --fs-body:    1.0625rem;
  --fs-sm:      0.9rem;
  --fs-xs:      0.8rem;
  --fs-label:   0.715rem;

  /* ---- layout ---- */
  --wrap: 1180px;
  --gut: clamp(1.15rem, 4vw, 2.5rem);
  --sec-y: clamp(4rem, 8vw, 7rem);
  --radius: 3px;
}

/* ==========================================================================
   base
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--fs-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  /* sem o flash azul padrão do toque no Android/iOS */
  -webkit-tap-highlight-color: rgba(182, 138, 46, .18);
}

img { max-width: 100%; display: block; height: auto; }

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.16;
  letter-spacing: -0.012em;
  margin: 0;
  text-wrap: balance;
  color: var(--ink);
}

p { margin: 0; }

/* o UA aplica margin: 1em 40px em figure — zerado para o grid controlar o espaço */
figure { margin: 0; }

a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 2px;
}

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gut);
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--gold);
  color: var(--navy);
  padding: 0.7rem 1.2rem;
  font: 600 var(--fs-sm)/1 var(--sans);
}
.skip:focus { left: 0.5rem; top: 0.5rem; }

/* ==========================================================================
   peças reutilizáveis
   ========================================================================== */

/* rótulo em versalete com traço dourado — ecoa os cabeçalhos do laudo */
.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-family: var(--mono);
  font-size: var(--fs-label);
  font-weight: 500;
  letter-spacing: 0.17em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 1.1rem;
}
.eyebrow::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
  max-width: 8rem;
}
.on-navy .eyebrow { color: var(--gold-lt); }
.on-navy .eyebrow::after { background: var(--line-navy); }

.lede {
  max-width: 62ch;
  color: var(--slate);
  font-size: 1.115rem;
  line-height: 1.68;
  margin-top: 1.1rem;
}
.on-navy .lede { color: var(--slate-lt); }

.on-navy { background: var(--navy); color: #EDF1F7; }
.on-navy h2, .on-navy h3, .on-navy h4 { color: #FFFFFF; }

section { padding-block: var(--sec-y); }

.sec-head { max-width: 66ch; margin-bottom: clamp(2.4rem, 4.5vw, 3.4rem); }

/* botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.92rem 1.6rem;
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.005em;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn svg { width: 1.05em; height: 1.05em; flex: none; }

.btn-primary { background: var(--whats); color: #FFFFFF; border-color: var(--whats); }
.btn-primary:hover { background: #187341; border-color: #187341; }

.btn-gold { background: var(--gold); color: var(--navy); border-color: var(--gold); }
.btn-gold:hover { background: var(--gold-lt); border-color: var(--gold-lt); }

.btn-ghost { background: transparent; color: var(--gold-lt); border-color: var(--line-navy); }
.btn-ghost:hover { border-color: var(--gold-lt); background: rgba(201, 169, 97, .08); }

.btn-ghost-dark { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost-dark:hover { border-color: var(--gold); background: rgba(182, 138, 46, .07); }

/* ==========================================================================
   cabeçalho
   ========================================================================== */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.site-header.is-stuck {
  background: rgba(9, 19, 39, .96);
  border-bottom-color: var(--line-navy);
  backdrop-filter: saturate(140%) blur(8px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 4.6rem;
}

/* marca: monograma emoldurado + logotipo em serifa espaçada (igual ao PDF) */
.brand {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
  color: #FFFFFF;
}
.monogram {
  display: grid;
  place-items: center;
  width: 2.15rem;
  height: 2.15rem;
  flex: none;
  border: 1.5px solid var(--gold);
  color: var(--gold-lt);
  font-family: var(--serif);
  font-size: 1.15rem;
  line-height: 1;
  padding-bottom: 0.1em;
}
.brand-name {
  font-family: var(--serif);
  font-size: 1.02rem;
  font-weight: 500;
  letter-spacing: 0.19em;
  text-transform: uppercase;
  line-height: 1.1;
  white-space: nowrap;
}
.brand-sub {
  display: block;
  font-family: var(--mono);
  font-size: 0.585rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  color: var(--slate-lt);
  margin-top: 0.22rem;
}

.nav { display: flex; align-items: center; gap: 1.4rem; }
.nav a {
  font-size: 0.855rem;
  font-weight: 500;
  white-space: nowrap;
  color: #D3DCEA;
  text-decoration: none;
  padding-block: 0.4rem;
  border-bottom: 1px solid transparent;
  transition: color .16s ease, border-color .16s ease;
}
.nav a:hover { color: var(--gold-lt); border-bottom-color: var(--gold-lt); }

.header-cta { padding: 0.62rem 1.15rem; font-size: 0.875rem; }

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--line-navy);
  border-radius: var(--radius);
  color: #FFFFFF;
  width: 2.7rem;
  height: 2.7rem;
  cursor: pointer;
  padding: 0;
  align-items: center;
  justify-content: center;
}
.nav-toggle svg { width: 1.15rem; height: 1.15rem; }
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-open { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }

/* ==========================================================================
   hero
   ========================================================================== */

.hero {
  position: relative;
  background: var(--navy);
  color: #EDF1F7;
  padding-top: clamp(7.5rem, 13vw, 10.5rem);
  padding-bottom: clamp(4rem, 8vw, 6.5rem);
  overflow: hidden;
}
/* malha de cotas: fundo técnico discreto, referência ao desenho de obra */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201, 169, 97, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 169, 97, .055) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(115% 85% at 22% 0%, #000 20%, transparent 72%);
  -webkit-mask-image: radial-gradient(115% 85% at 22% 0%, #000 20%, transparent 72%);
  pointer-events: none;
}
.hero > .wrap { position: relative; z-index: 1; }

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: center;
}

.hero h1 {
  font-size: var(--fs-display);
  font-weight: 600;
  color: #FFFFFF;
  letter-spacing: -0.02em;
  line-height: 1.07;
}
.hero h1 em {
  font-style: normal;
  color: var(--gold-lt);
}

.hero-lede {
  margin-top: 1.6rem;
  max-width: 54ch;
  font-size: 1.115rem;
  line-height: 1.68;
  color: #C3CEDF;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2.2rem;
}

.hero-creds {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1.6rem;
  margin-top: 2.4rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--line-navy);
  font-family: var(--mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.055em;
  color: var(--slate-lt);
}
.hero-creds span { display: inline-flex; align-items: center; gap: 0.5rem; }
.hero-creds span::before {
  content: "";
  width: 4px; height: 4px;
  background: var(--gold);
  transform: rotate(45deg);
  flex: none;
}

/* retrato com placa de identificação ao pé, como a folha de rosto de um laudo */
.hero-figure { position: relative; }
.hero-figure img {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: 50% 22%;
  filter: saturate(.92) contrast(1.03);
}
.hero-tag {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  background: linear-gradient(to top, rgba(9, 19, 39, .97) 62%, rgba(9, 19, 39, 0));
  border-bottom: 2px solid var(--gold);
  padding: 2.4rem 1.15rem 0.85rem;
}
.hero-tag strong {
  display: block;
  font-family: var(--serif);
  font-size: 0.98rem;
  font-weight: 600;
  color: #FFFFFF;
  letter-spacing: 0.005em;
}
.hero-tag span {
  display: block;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  color: var(--gold-lt);
  margin-top: 0.2rem;
}

/* ==========================================================================
   faixa de credenciais
   ========================================================================== */

.creds-band { background: var(--navy-900); padding-block: 0; }
.creds-band .wrap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-inline: 1px solid var(--line-navy);
}
.cred {
  padding: 1.85rem 1.5rem;
  border-left: 1px solid var(--line-navy);
}
.cred:first-child { border-left: 0; }
.cred dt {
  font-family: var(--serif);
  font-size: 1.62rem;
  font-weight: 600;
  color: var(--gold-lt);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.cred dd {
  margin: 0.55rem 0 0;
  font-size: var(--fs-xs);
  line-height: 1.5;
  color: var(--slate-lt);
  letter-spacing: 0.02em;
}

/* ==========================================================================
   quando contratar — cartões de situação
   ========================================================================== */

.cases {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(255px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.case {
  background: var(--paper);
  padding: 1.75rem 1.6rem;
  transition: background-color .18s ease;
}
.case:hover { background: #FFFFFF; }
.case h3 {
  font-size: var(--fs-h3);
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
}
.case h3::before {
  content: "";
  width: 6px; height: 6px;
  flex: none;
  background: var(--gold);
  transform: rotate(45deg) translateY(-2px);
}
.case p {
  margin-top: 0.6rem;
  font-size: var(--fs-sm);
  line-height: 1.62;
  color: var(--slate);
}

.note {
  margin-top: 2rem;
  padding: 1.15rem 1.4rem;
  border-left: 2px solid var(--gold);
  background: rgba(182, 138, 46, .07);
  font-size: var(--fs-sm);
  line-height: 1.65;
  color: var(--ink);
  max-width: 78ch;
}
.on-navy .note {
  background: rgba(201, 169, 97, .08);
  border-left-color: var(--gold-lt);
  color: #D8E0EC;
}

/* ==========================================================================
   portfólio de soluções — 12 frentes (a numeração vem do próprio material)
   ========================================================================== */

.solutions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(268px, 1fr));
  gap: 1px;
  background: var(--line-navy);
  border: 1px solid var(--line-navy);
}
.solution {
  background: var(--navy);
  padding: 1.6rem 1.5rem 1.7rem;
  transition: background-color .18s ease;
}
.solution:hover { background: var(--navy-700); }
.solution .num {
  display: block;
  font-family: var(--mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--gold-lt);
  font-variant-numeric: tabular-nums;
}
.solution h3 {
  margin-top: 0.65rem;
  font-size: 1.075rem;
  color: #FFFFFF;
}
.solution p {
  margin-top: 0.45rem;
  font-size: var(--fs-sm);
  line-height: 1.6;
  color: var(--slate-lt);
}

/* ==========================================================================
   como funciona — sequência processual
   ========================================================================== */

.steps {
  display: grid;
  gap: 0;
  counter-reset: step;
  max-width: 900px;
}
.step {
  position: relative;
  display: grid;
  grid-template-columns: 3.4rem minmax(0, 1fr);
  gap: 1.4rem;
  padding-bottom: 2.1rem;
}
.step:last-child { padding-bottom: 0; }
/* fio vertical ligando as etapas */
.step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 1.7rem;
  top: 3.1rem;
  bottom: 0.35rem;
  width: 1px;
  background: var(--line);
}
.step-num {
  display: grid;
  place-items: center;
  width: 3.4rem;
  height: 3.4rem;
  border: 1px solid var(--line);
  background: var(--paper);
  font-family: var(--mono);
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
  position: relative;
  z-index: 1;
}
.step-body { padding-top: 0.45rem; }
.step-body h3 { font-size: var(--fs-h3); }
.step-body p {
  margin-top: 0.35rem;
  font-size: var(--fs-sm);
  line-height: 1.62;
  color: var(--slate);
  max-width: 62ch;
}

/* ==========================================================================
   sobre
   ========================================================================== */

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(2.2rem, 5vw, 4rem);
  align-items: start;
}
.about-figure { position: relative; }
.about-figure { max-width: 430px; }
.about-figure img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: 50% 20%;
  border: 1px solid var(--line);
}
.about-figure figcaption {
  margin-top: 0.85rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--slate);
}
.about-body > p + p { margin-top: 1.05rem; }
.about-body p { color: var(--slate); line-height: 1.72; max-width: 64ch; }
.about-body strong { color: var(--ink); font-weight: 600; }

.about-sub {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}
.about-sub h3 { font-size: 1.05rem; margin-bottom: 0.45rem; }

.signature {
  margin-top: 2rem;
  font-family: var(--serif);
  font-size: 1.28rem;
  color: var(--ink);
}
.signature span {
  display: block;
  font-family: var(--mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.11em;
  color: var(--gold);
  margin-top: 0.3rem;
}

/* ==========================================================================
   registro técnico — galeria em pranchas
   ========================================================================== */

.plates {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(198px, 1fr));
  gap: clamp(1rem, 2vw, 1.45rem);
}
.plate {
  margin: 0;
  background: transparent;
  border: 0;
  padding: 0;
  text-align: left;
  color: inherit;
  font: inherit;
  cursor: zoom-in;
  display: flex;
  flex-direction: column;
}
.plate-frame {
  display: block;
  position: relative;
  border: 1px solid var(--line-navy);
  overflow: hidden;
  background: var(--navy-900);
}
.plate img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  transition: transform .5s cubic-bezier(.2,.7,.3,1), filter .3s ease;
  filter: saturate(.9);
}
.plate:hover img, .plate:focus-visible img { transform: scale(1.045); filter: saturate(1); }
/* z-index explícito: o filter da imagem cria contexto de empilhamento e,
   sem isto, a imagem (posterior no DOM) cobriria a etiqueta. */
.plate-id {
  position: absolute;
  z-index: 2;
  top: 0; left: 0;
  background: var(--navy-900);
  border-right: 1px solid var(--gold);
  border-bottom: 1px solid var(--gold);
  padding: 0.28rem 0.6rem;
  font-family: var(--mono);
  font-size: 0.63rem;
  letter-spacing: 0.11em;
  color: var(--gold-lt);
}
.plate figcaption {
  margin-top: 0.7rem;
  font-size: var(--fs-xs);
  line-height: 1.5;
  color: var(--slate-lt);
}

/* lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 150;
  display: none;
  place-items: center;
  padding: clamp(1rem, 4vw, 3rem);
  background: rgba(6, 13, 27, .94);
}
.lightbox[open], .lightbox.is-open { display: grid; }
.lightbox img {
  max-width: min(100%, 900px);
  max-height: 78vh;
  object-fit: contain;
  border: 1px solid var(--line-navy);
}
.lightbox figcaption {
  margin-top: 1rem;
  max-width: 60ch;
  text-align: center;
  font-size: var(--fs-sm);
  color: #C3CEDF;
}
.lightbox-close {
  position: absolute;
  top: clamp(.75rem, 3vw, 1.75rem);
  right: clamp(.75rem, 3vw, 1.75rem);
  width: 2.7rem;
  height: 2.7rem;
  display: grid;
  place-items: center;
  background: transparent;
  border: 1px solid var(--line-navy);
  color: #FFFFFF;
  cursor: pointer;
  border-radius: var(--radius);
}
.lightbox-close:hover { border-color: var(--gold-lt); color: var(--gold-lt); }

/* ==========================================================================
   diferenciais
   ========================================================================== */

.edges {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: clamp(1.6rem, 3vw, 2.4rem) clamp(2rem, 4vw, 3.5rem);
}
.edge {
  padding-top: 1.15rem;
  border-top: 2px solid var(--gold);
}
.edge h3 { font-size: 1.045rem; }
.edge p {
  margin-top: 0.4rem;
  font-size: var(--fs-sm);
  line-height: 1.62;
  color: var(--slate);
}

/* ==========================================================================
   perguntas frequentes
   ========================================================================== */

.faq { max-width: 860px; border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.4rem 0;
  background: transparent;
  border: 0;
  cursor: pointer;
  text-align: left;
  font-family: var(--serif);
  font-size: 1.075rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.35;
}
.faq-q:hover { color: var(--gold); }
.faq-icon {
  position: relative;
  flex: none;
  width: 1.05rem;
  height: 1.05rem;
}
.faq-icon::before, .faq-icon::after {
  content: "";
  position: absolute;
  background: var(--gold);
  transition: transform .22s ease, opacity .22s ease;
}
.faq-icon::before { inset: 50% 0 auto 0; height: 1.5px; transform: translateY(-50%); }
.faq-icon::after  { inset: 0 50% 0 auto; width: 1.5px; transform: translateX(50%); }
.faq-q[aria-expanded="true"] .faq-icon::after { opacity: 0; transform: translateX(50%) rotate(90deg); }

.faq-a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .26s ease;
}
.faq-a > div { overflow: hidden; }
.faq-item.is-open .faq-a { grid-template-rows: 1fr; }
.faq-a p {
  padding-bottom: 1.4rem;
  padding-right: 2.5rem;
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--slate);
  max-width: 68ch;
}
.faq-a p + p { padding-top: 0; margin-top: -0.6rem; }
.faq-a code {
  font-family: var(--mono);
  font-size: 0.86em;
  color: var(--ink);
  background: rgba(182, 138, 46, .12);
  padding: 0.08em 0.35em;
}

/* ==========================================================================
   contato
   ========================================================================== */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.06fr);
  gap: clamp(2.4rem, 5vw, 4.5rem);
  align-items: start;
}

.direct { margin-top: 2.2rem; display: grid; gap: 1px; background: var(--line-navy); border: 1px solid var(--line-navy); }
.direct a {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.15rem 1.35rem;
  background: var(--navy);
  text-decoration: none;
  transition: background-color .18s ease;
}
.direct a:hover { background: var(--navy-700); }
.direct svg { width: 1.2rem; height: 1.2rem; color: var(--gold-lt); flex: none; }
.direct .k {
  display: block;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate-lt);
}
.direct .v {
  display: block;
  font-size: 0.985rem;
  font-weight: 500;
  color: #FFFFFF;
  margin-top: 0.1rem;
}

/* formulário */
.form {
  background: var(--navy-900);
  border: 1px solid var(--line-navy);
  padding: clamp(1.5rem, 3vw, 2.2rem);
}
.form h3 { font-size: 1.16rem; }
.form > p {
  margin-top: 0.4rem;
  font-size: var(--fs-sm);
  color: var(--slate-lt);
  line-height: 1.6;
}
.fields { display: grid; gap: 1rem; margin-top: 1.5rem; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field label {
  font-family: var(--mono);
  font-size: 0.655rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--slate-lt);
}
.field .opt { color: #6B7C99; text-transform: none; letter-spacing: 0.02em; font-size: 0.72em; }
.field input,
.field select,
.field textarea {
  width: 100%;
  background: var(--navy);
  border: 1px solid var(--line-navy);
  border-radius: var(--radius);
  color: #FFFFFF;
  font-family: var(--sans);
  font-size: 0.95rem;
  padding: 0.72rem 0.85rem;
  transition: border-color .16s ease, background-color .16s ease;
}
.field textarea { resize: vertical; min-height: 6.5rem; line-height: 1.55; }
.field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5l5-5' stroke='%23C9A961' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.85rem center;
  background-size: 0.7rem;
  padding-right: 2.2rem;
}
.field input::placeholder, .field textarea::placeholder { color: #61708C; }
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--gold-lt);
  background: #0C1830;
  outline: none;
}
.field :user-invalid { border-color: #C4623F; }

.form-actions { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 1.4rem; }
.form-actions .btn { flex: 1 1 auto; }
.form-foot {
  margin-top: 1.1rem;
  font-size: 0.775rem;
  line-height: 1.55;
  color: #6E7E9B;
}

/* ==========================================================================
   rodapé
   ========================================================================== */

.site-footer {
  background: var(--navy-900);
  border-top: 1px solid var(--line-navy);
  padding-block: 3rem 2.2rem;
  color: var(--slate-lt);
}
.footer-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--line-navy);
}
.footer-contact {
  display: grid;
  gap: 0.35rem;
  font-family: var(--mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.05em;
}
.footer-contact a { color: #D3DCEA; text-decoration: none; }
.footer-contact a:hover { color: var(--gold-lt); }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.6rem;
  font-size: 0.755rem;
  letter-spacing: 0.03em;
  color: #64748F;
}

/* botão flutuante de WhatsApp (telas pequenas) */
.fab {
  position: fixed;
  /* respeita a barra de gestos do iPhone e o entalhe em telas com recorte */
  right: calc(1rem + env(safe-area-inset-right));
  bottom: calc(1rem + env(safe-area-inset-bottom));
  z-index: 90;
  display: none;
  align-items: center;
  gap: 0.55rem;
  padding: 0.85rem 1.15rem;
  background: var(--whats);
  color: #FFFFFF;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 999px;
  box-shadow: 0 6px 22px rgba(6, 13, 27, .38);
  /* só aparece depois do hero, onde o CTA principal já saiu de vista */
  opacity: 0;
  visibility: hidden;
  transform: translateY(0.6rem);
  transition: opacity .25s ease, transform .25s ease, visibility .25s;
}
.fab.is-shown { opacity: 1; visibility: visible; transform: none; }
.fab svg { width: 1.15rem; height: 1.15rem; }

/* ==========================================================================
   revelação ao rolar
   ========================================================================== */

.reveal { opacity: 0; transform: translateY(16px); }
.reveal.is-in {
  opacity: 1;
  transform: none;
  transition: opacity .6s ease, transform .6s cubic-bezier(.2,.7,.3,1);
}

/* ==========================================================================
   responsivo
   ========================================================================== */

@media (max-width: 1000px) {
  .hero-grid { grid-template-columns: 1fr; gap: 2.8rem; }
  .hero-figure { max-width: 420px; }
  .about-grid { grid-template-columns: 1fr; }
  .about-figure { max-width: 380px; }
  .contact-grid { grid-template-columns: 1fr; }
  .creds-band .wrap { grid-template-columns: repeat(2, 1fr); }
  .cred:nth-child(3) { border-left: 0; }
  .cred:nth-child(-n+2) { border-bottom: 1px solid var(--line-navy); }
}

@media (max-width: 760px) {
  /* 16px é o mínimo: abaixo disso o Safari do iPhone dá zoom ao focar o campo */
  .field input, .field select, .field textarea { font-size: 16px; }

  /* rótulos em versalete: legíveis no desktop, pequenos demais a um braço de
     distância — sobem para 12px no celular, sem perder o caráter da marca */
  :root { --fs-label: 0.765rem; }
  .field label,
  .direct .k,
  .hero-tag span,
  .about-figure figcaption { font-size: 0.75rem; }
  /* no cabeçalho não cabe junto do logotipo; no rodapé há espaço, então cresce */
  .site-header .brand-sub { display: none; }
  .site-footer .brand-sub { font-size: 0.75rem; letter-spacing: 0.1em; }

  .wrap {
    padding-left: calc(var(--gut) + env(safe-area-inset-left));
    padding-right: calc(var(--gut) + env(safe-area-inset-right));
  }

  .nav {
    position: absolute;
    inset: 100% 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--navy-900);
    border-block: 1px solid var(--line-navy);
    padding: 0.5rem var(--gut) 1.1rem;
    display: none;
  }
  .nav.is-open { display: flex; }
  .nav a { padding: 0.85rem 0; border-bottom: 1px solid rgba(39, 55, 90, .55); }
  .nav a:hover { border-bottom-color: rgba(39, 55, 90, .55); }
  .nav-toggle { display: flex; }
  .header-cta { display: none; }
  .site-header:not(.is-stuck) { background: rgba(9, 19, 39, .55); }
  .fab { display: flex; }
  .field-row { grid-template-columns: 1fr; }
  .hero-actions .btn { flex: 1 1 100%; }
  .plates { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
  .site-footer { padding-bottom: 5.5rem; }
}

@media (max-width: 420px) {
  .creds-band .wrap { grid-template-columns: 1fr; }
  .cred { border-left: 0; border-bottom: 1px solid var(--line-navy); }
  .cred:last-child { border-bottom: 0; }
}

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

@media print {
  .site-header, .fab, .lightbox, .form { display: none !important; }
  body { background: #FFFFFF; color: #000000; }
}