/* ============================================================
   IMPÉRIO — Terraplenagem & Máquinas Pesadas
   Preto e dourado · sobriedade e peso técnico · mobile-first
   ============================================================ */

:root {
  --preto: #0b0a08;
  --carvao: #14120e;
  --grafite: #1d1a14;
  --linha: #2a261d;
  --ouro: #c9a227;
  --ouro-claro: #e8c55c;
  --areia: #ede6d6;
  --cinza: #9a917e;
  --wa-verde: #25d366;
  --wa-verde-escuro: #1eb356;

  --fonte-display: "Chakra Petch", "Segoe UI", sans-serif;
  --fonte-texto: "IBM Plex Sans", "Segoe UI", sans-serif;
  --fonte-mono: "IBM Plex Mono", "Consolas", monospace;

  --container: 1140px;
  --raio: 4px;
}

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

html { scroll-behavior: smooth; }

[id] { scroll-margin-top: 84px; }

body {
  background: var(--preto);
  color: var(--areia);
  font-family: var(--fonte-texto);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--ouro); }
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--ouro-claro);
  outline-offset: 3px;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 20px;
}
.container--estreito { max-width: 780px; }

/* ---------- Tipografia ---------- */

h1, h2, h3 {
  font-family: var(--fonte-display);
  text-transform: uppercase;
  line-height: 1.05;
  letter-spacing: 0.01em;
  font-weight: 700;
}

h2 { font-size: clamp(1.9rem, 4.5vw, 3rem); }
h3 { font-size: 1.25rem; letter-spacing: 0.04em; }

.eyebrow {
  font-family: var(--fonte-mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--ouro);
  margin-bottom: 0.9rem;
}
.eyebrow--ouro { color: var(--ouro-claro); }

/* ---------- Listra diagonal (assinatura) ---------- */

.stripe {
  height: 8px;
  background: repeating-linear-gradient(
    -45deg,
    var(--ouro) 0 14px,
    var(--preto) 14px 28px
  );
  opacity: 0.85;
}

/* ---------- Botões ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: var(--fonte-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 1.05rem;
  text-decoration: none;
  border: none;
  border-radius: var(--raio);
  padding: 0.85rem 1.6rem;
  cursor: pointer;
  transition: background-color 0.18s ease, transform 0.18s ease, border-color 0.18s ease;
}
.btn:active { transform: translateY(1px); }
.btn { white-space: nowrap; }

.btn--wa {
  background: var(--ouro);
  color: var(--preto);
}
.btn--wa:hover { background: var(--ouro-claro); }

.btn--ghost {
  background: transparent;
  color: var(--areia);
  border: 1px solid var(--linha);
}
.btn--ghost:hover { border-color: var(--ouro); color: var(--ouro-claro); }

.btn--lg { padding: 1.05rem 2rem; font-size: 1.15rem; }
.btn--sm { padding: 0.6rem 1.1rem; font-size: 0.95rem; }

@media (max-width: 640px) {
  .btn--lg {
    font-size: clamp(0.7rem, 3.4vw, 1rem);
    letter-spacing: 0.03em;
    padding: 0.95rem 1rem;
  }
}

.icon-wa {
  width: 1.25em;
  height: 1.25em;
  fill: currentColor;
  flex-shrink: 0;
}

/* ---------- Header ---------- */

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 10, 8, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--linha);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.7rem;
}
.header__brand { text-decoration: none; line-height: 1.15; }
.header__logo {
  display: block;
  font-family: var(--fonte-display);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: 0.18em;
  color: var(--ouro);
}
.header__tag {
  display: block;
  font-family: var(--fonte-mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--cinza);
}

/* Navegação */
.header__nav {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: clamp(0.8rem, 1.6vw, 1.4rem);
  margin-left: auto;
  margin-right: clamp(0.8rem, 1.6vw, 1.4rem);
}
.header__nav a:not(.btn) {
  font-family: var(--fonte-display);
  font-weight: 600;
  font-size: clamp(0.72rem, 1vw, 0.85rem);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
  color: var(--areia);
  text-decoration: none;
  transition: color 0.15s ease;
}
.header__nav a:not(.btn):hover { color: var(--ouro-claro); }
.header__nav-wa { display: none; }
.header__burger { display: none; }

/* Mobile/tablet: hambúrguer + menu dropdown */
@media (max-width: 1023px) {
  .header__wa { display: none; }

  .header__burger {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    background: none;
    border: 1px solid var(--linha);
    border-radius: var(--raio);
    cursor: pointer;
  }
  .header__burger span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--ouro);
    transition: transform 0.2s ease, opacity 0.2s ease;
  }
  .header--aberto .header__burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .header--aberto .header__burger span:nth-child(2) { opacity: 0; }
  .header--aberto .header__burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .header__nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin: 0;
    padding: 0.4rem 20px 1.3rem;
    background: var(--carvao);
    border-bottom: 1px solid var(--linha);
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.45);
  }
  .header--aberto .header__nav { display: flex; }
  .header__nav a:not(.btn) {
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--linha);
    font-size: 1.05rem;
  }
  .header__nav-wa {
    display: inline-flex;
    justify-content: center;
    margin-top: 1.1rem;
  }
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  background:
    linear-gradient(100deg, var(--preto) 25%, rgba(11, 10, 8, 0.88) 55%, rgba(11, 10, 8, 0.55) 100%),
    radial-gradient(ellipse 80% 60% at 70% 20%, rgba(201, 162, 39, 0.08), transparent 60%),
    url("../assets/img/trator-esteira.jpg") right center / cover no-repeat,
    var(--preto);
  overflow: hidden;
}

@media (max-width: 899px) {
  .hero {
    background:
      linear-gradient(rgba(11, 10, 8, 0.93), rgba(11, 10, 8, 0.88)),
      url("../assets/img/trator-esteira.jpg") center / cover no-repeat,
      var(--preto);
  }
}
.hero__grid {
  display: grid;
  gap: 2.5rem;
  padding-block: 4rem 4.5rem;
}
.hero__title {
  font-size: clamp(2rem, 5.5vw, 3.4rem);
  max-width: 18ch;
}
.hero__title em {
  font-style: normal;
  color: var(--ouro);
}
.hero__sub {
  margin-top: 1.2rem;
  max-width: 52ch;
  color: var(--cinza);
  font-size: 1.1rem;
}
.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2rem;
}
.hero__nota {
  margin-top: 1.1rem;
  font-family: var(--fonte-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cinza);
}

/* Selo 20 anos — plaqueta */
.hero__selo {
  justify-self: start;
  align-self: center;
  display: grid;
  justify-items: center;
  gap: 0.1rem;
  padding: 1.6rem 2.2rem;
  border: 1px solid var(--ouro);
  border-radius: var(--raio);
  background:
    linear-gradient(160deg, rgba(201, 162, 39, 0.12), transparent 55%),
    var(--carvao);
  box-shadow: 0 0 0 6px var(--preto), 0 0 0 7px var(--linha);
  text-align: center;
}
.selo__num {
  font-family: var(--fonte-display);
  font-weight: 700;
  font-size: 4.2rem;
  line-height: 0.9;
  color: var(--ouro);
}
.selo__txt {
  font-family: var(--fonte-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  line-height: 1.1;
}
.selo__desde {
  margin-top: 0.5rem;
  font-family: var(--fonte-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cinza);
  border-top: 1px solid var(--linha);
  padding-top: 0.5rem;
  width: 100%;
}

@media (min-width: 900px) {
  .hero__grid {
    grid-template-columns: 1fr auto;
    align-items: center;
    padding-block: 6rem 6.5rem;
  }
  .hero__selo { justify-self: end; }
}

/* ---------- Barra de confiança ---------- */

.confianca {
  background: var(--carvao);
  border-block: 1px solid var(--linha);
}
.confianca__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4rem 1rem;
  padding-block: 1.6rem;
}
.confianca__item {
  display: grid;
  gap: 0.1rem;
  border-left: 2px solid var(--ouro);
  padding-left: 0.9rem;
}
.confianca__item strong {
  font-family: var(--fonte-display);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 1.3rem;
  letter-spacing: 0.05em;
  color: var(--areia);
}
.confianca__item span {
  font-size: 0.85rem;
  color: var(--cinza);
}

@media (min-width: 900px) {
  .confianca__grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 359px) {
  .confianca__grid { grid-template-columns: 1fr; }
  h2 { font-size: clamp(1.6rem, 8vw, 3rem); }
}

/* ---------- Seções (base) ---------- */

.secao { padding-block: 4.5rem; }
.secao__head { max-width: 720px; margin-bottom: 2.5rem; }
.secao__lead { margin-top: 1rem; color: var(--cinza); font-size: 1.05rem; }
.secao__cta { margin-top: 2.5rem; }

/* ---------- Terraplenagem ---------- */

.terraplenagem {
  background:
    radial-gradient(ellipse 60% 50% at 20% 100%, rgba(201, 162, 39, 0.06), transparent 60%),
    var(--preto);
}
.terra__grid {
  display: grid;
  gap: 1.2rem;
}
.terra__card {
  background: var(--grafite);
  border: 1px solid var(--linha);
  border-top: 3px solid var(--ouro);
  border-radius: var(--raio);
  padding: 1.8rem;
}
.terra__card h3 { color: var(--ouro-claro); margin-bottom: 1rem; }
.terra__card ul { list-style: none; }
.terra__card li {
  padding: 0.45rem 0 0.45rem 1.4rem;
  position: relative;
  color: var(--areia);
}
.terra__card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.95rem;
  width: 0.55rem;
  height: 0.55rem;
  background: var(--ouro);
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}

@media (min-width: 760px) {
  .terra__grid { grid-template-columns: 1fr 1fr; }
}

/* ---------- Frota ---------- */

.frota { background: var(--carvao); }

.frota__grid {
  display: grid;
  gap: 1.2rem;
}

.maquina {
  background: var(--grafite);
  border: 1px solid var(--linha);
  border-radius: var(--raio);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.maquina__foto {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--preto);
}
.maquina__foto img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.maquina__badge {
  position: absolute;
  top: 0.8rem;
  left: 0.8rem;
  background: var(--ouro);
  color: var(--preto);
  font-family: var(--fonte-mono);
  font-size: 0.62rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  padding: 0.3rem 0.6rem;
  border-radius: 2px;
}
.maquina__info {
  padding: 1.3rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  flex: 1;
}
.maquina__info p { color: var(--cinza); font-size: 0.95rem; }
.maquina__info .btn {
  margin-top: auto;
  align-self: flex-start;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  white-space: nowrap;
  padding: 0.6rem 1rem;
}
.maquina__ref {
  font-family: var(--fonte-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--ouro) !important;
  text-transform: uppercase;
}

@media (min-width: 640px) {
  .frota__grid { grid-template-columns: repeat(2, 1fr); }
  .maquina--destaque { grid-column: span 2; }
  .maquina--destaque .maquina__foto { aspect-ratio: 21 / 9; }
}

@media (min-width: 980px) {
  .frota__grid { grid-template-columns: repeat(3, 1fr); }
  .maquina--destaque { grid-column: span 1; }
  .maquina--destaque .maquina__foto { aspect-ratio: 16 / 10; }
  .maquina--destaque {
    border-color: var(--ouro);
  }
}

/* ---------- Como funciona ---------- */

.como { background: var(--preto); }
.como__lista {
  list-style: none;
  display: grid;
  gap: 1.2rem;
  counter-reset: passo;
}
.como__passo {
  background: var(--grafite);
  border: 1px solid var(--linha);
  border-radius: var(--raio);
  padding: 1.6rem;
  position: relative;
}
.como__num {
  display: inline-grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  border: 1px solid var(--ouro);
  border-radius: 50%;
  font-family: var(--fonte-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--ouro);
  margin-bottom: 0.9rem;
}
.como__passo h3 { margin-bottom: 0.4rem; }
.como__passo p { color: var(--cinza); font-size: 0.95rem; }

@media (min-width: 760px) {
  .como__lista { grid-template-columns: repeat(4, 1fr); }
}

/* ---------- Diferenciais ---------- */

.difs { background: var(--carvao); }
.difs__grid { display: grid; gap: 1.2rem; }
.dif {
  border-left: 2px solid var(--ouro);
  padding: 0.4rem 0 0.4rem 1.4rem;
}
.dif h3 { color: var(--ouro-claro); margin-bottom: 0.5rem; }
.dif p { color: var(--cinza); }

@media (min-width: 760px) {
  .difs__grid { grid-template-columns: repeat(2, 1fr); gap: 2rem 3rem; }
}

/* ---------- Área de atuação ---------- */

.area { background: var(--preto); }
.area__grid { display: grid; gap: 2.5rem; align-items: center; }
.area__texto p { color: var(--cinza); margin-top: 1rem; }
.area__cidades {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem 1rem;
  margin-top: 1.2rem;
}
.area__cidades li {
  font-family: var(--fonte-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--areia);
  padding-left: 1.1rem;
  position: relative;
}
.area__cidades li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.5rem;
  height: 0.5rem;
  background: var(--ouro);
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}
.area__nota { font-size: 0.95rem; }
.area__texto .btn { margin-top: 1.6rem; }
.area__mapa iframe {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  border: 1px solid var(--linha);
  border-radius: var(--raio);
  background: var(--grafite);
}

@media (min-width: 900px) {
  .area__grid { grid-template-columns: 1.1fr 0.9fr; }
}

/* ---------- Prova social ---------- */

.prova { background: var(--carvao); }
.prova__galeria {
  display: grid;
  gap: 1rem;
}
.prova__galeria figure {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--raio);
  border: 1px solid var(--linha);
  background: var(--preto);
}
.prova__galeria img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.prova__gmb {
  margin-top: 1.8rem;
  color: var(--cinza);
  font-size: 0.95rem;
  max-width: 60ch;
}

@media (min-width: 760px) {
  .prova__galeria { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- FAQ ---------- */

.faq { background: var(--preto); }
.faq__item {
  border-bottom: 1px solid var(--linha);
}
.faq__item summary {
  cursor: pointer;
  list-style: none;
  padding: 1.2rem 2.2rem 1.2rem 0;
  font-family: var(--fonte-display);
  font-weight: 600;
  font-size: 1.15rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  position: relative;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: "+";
  position: absolute;
  right: 0.2rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--fonte-mono);
  font-size: 1.3rem;
  color: var(--ouro);
  transition: transform 0.2s ease;
}
.faq__item[open] summary::after {
  content: "−";
}
.faq__item p {
  padding: 0 0 1.4rem;
  color: var(--cinza);
  max-width: 65ch;
}

/* ---------- CTA final ---------- */

.cta-final {
  background:
    radial-gradient(ellipse 70% 80% at 50% 0%, rgba(201, 162, 39, 0.12), transparent 65%),
    var(--carvao);
  border-block: 1px solid var(--linha);
  text-align: center;
}
.cta-final__inner { padding-block: 5rem; }
.cta-final h2 { max-width: 20ch; margin-inline: auto; }
.cta-final__sub { margin-top: 1rem; color: var(--cinza); }
.cta-final__botoes {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.9rem;
  margin-top: 2.2rem;
}
.cta-final__social {
  margin-top: 2rem;
  display: flex;
  justify-content: center;
  gap: 1.8rem;
  font-family: var(--fonte-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
}
.cta-final__social a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--cinza);
  text-decoration: none;
}
.cta-final__social a:hover { color: var(--ouro-claro); }
.icone-social {
  width: 1.05rem;
  height: 1.05rem;
  fill: currentColor;
  flex-shrink: 0;
}

/* ---------- Rodapé ---------- */

.footer {
  background: var(--preto);
  font-size: 0.92rem;
  color: var(--cinza);
}
.footer__grid {
  display: grid;
  gap: 2rem;
  padding-block: 3.5rem 2rem;
}
.footer__logo {
  font-family: var(--fonte-display);
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: 0.18em;
  color: var(--ouro);
  margin-bottom: 0.6rem;
}
.footer__col h3 {
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  color: var(--areia);
  margin-bottom: 0.7rem;
}
.footer__col p { margin-bottom: 0.3rem; }
.footer__cnpj { font-family: var(--fonte-mono); font-size: 0.78rem; margin-top: 0.6rem; }
.footer a { color: var(--cinza); }
.footer a:hover { color: var(--ouro-claro); }

.footer__nav a {
  display: block;
  padding: 0.28rem 0;
  text-decoration: none;
  font-family: var(--fonte-display);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.88rem;
}

.footer__contato {
  list-style: none;
  display: grid;
  gap: 0.65rem;
}
.footer__contato li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}
.footer__contato .icone {
  width: 1rem;
  height: 1rem;
  fill: var(--ouro);
  flex-shrink: 0;
  margin-top: 0.22rem;
}

.footer__base {
  border-top: 1px solid var(--linha);
  padding-block: 1.2rem;
  font-size: 0.8rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
}

@media (min-width: 760px) {
  .footer__grid { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- Botão flutuante WhatsApp ---------- */

.wa-flutuante {
  position: fixed;
  right: 1.1rem;
  bottom: 1.1rem;
  z-index: 90;
  display: grid;
  place-items: center;
  width: 3.6rem;
  height: 3.6rem;
  border-radius: 50%;
  background: var(--wa-verde);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.45);
  transition: background-color 0.18s ease, transform 0.18s ease;
}
.wa-flutuante:hover { background: var(--wa-verde-escuro); transform: scale(1.06); }
.wa-flutuante .icon-wa {
  width: 2rem;
  height: 2rem;
  fill: #fff;
}

/* ---------- Aviso de cookies ---------- */

.cookies {
  position: fixed;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  z-index: 100;
  max-width: 620px;
  margin-inline: auto;
  background: var(--grafite);
  border: 1px solid var(--linha);
  border-radius: var(--raio);
  padding: 1.1rem 1.3rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  align-items: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  font-size: 0.88rem;
  color: var(--cinza);
}
.cookies p { flex: 1 1 280px; }
.cookies[hidden] { display: none; }

/* ---------- Animações de entrada ---------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visivel {
  opacity: 1;
  transform: none;
}

/* ---------- Telas muito estreitas (≤359px) ---------- */

@media (max-width: 359px) {
  .btn { font-size: 0.92rem; padding-inline: 1rem; }
  .maquina__info { padding: 1rem; }
  .maquina__info .btn { font-size: 0.66rem; }
}

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