/* ═══════════════════════════════════════════════════════════
   AMAZÔNIA OBJETIVA — Site institucional
   Assessoria ambiental e fundiária · Sinop/MT
   Verde #1B5218 · Marrom #5C4215
   ═══════════════════════════════════════════════════════════ */

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

:root {
  /* Marca */
  --verde:          #1B5218;
  --verde-escuro:   #133D12;
  --verde-profundo: #0D2A0C;
  --verde-claro:    #2A6B26;
  --marrom:         #5C4215;

  /* Neutros */
  --branco:      #FFFFFF;
  --areia:       #F7F7F4;
  --areia-forte: #EFEFEA;
  --linha:       #E3E5DF;
  --linha-forte: #CFD3C9;
  --tinta:       #23261F;
  --tinta-media: #55594F;
  --tinta-fraca: #7C8177;

  /* Sobre fundo escuro */
  --claro-forte: rgba(255,255,255,.94);
  --claro-medio: rgba(255,255,255,.68);
  --claro-fraco: rgba(255,255,255,.40);
  --claro-linha: rgba(255,255,255,.16);

  --radius: 4px;
  --ease:   cubic-bezier(.22,.61,.36,1);
  --t:      .3s var(--ease);

  --header-h: 76px;
}

html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--tinta-media);
  background: var(--branco);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;   /* clip não cria contexto de rolagem (hidden cria e quebra sticky) */
}

img, svg { max-width: 100%; display: block; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }
:focus-visible { outline: 2px solid var(--verde-claro); outline-offset: 3px; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 32px; }

/* ── TIPOGRAFIA ────────────────────────────────────────── */
h1, h2, h3, .display {
  font-family: 'Montserrat', sans-serif;
  color: var(--verde-escuro);
  line-height: 1.08;
  letter-spacing: -.02em;
  text-wrap: balance;
}
h1 { font-size: clamp(2.2rem, 4.8vw, 3.9rem); font-weight: 900; }
h2 { font-size: clamp(1.9rem, 3.8vw, 3rem);   font-weight: 800; }
h3 { font-size: 1.15rem; font-weight: 700; letter-spacing: -.01em; line-height: 1.25; }
p  { margin-bottom: 1.1rem; }
p:last-child { margin-bottom: 0; }

/* Sobrescrita: rótulo pequeno caixa-alta */
.eyebrow {
  display: block;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--verde);
  margin-bottom: 20px;
}
.eyebrow--claro { color: var(--claro-medio); }

.section       { padding: clamp(80px, 11vw, 140px) 0; }
.section-head  { max-width: 660px; margin-bottom: clamp(48px, 6vw, 76px); }
.section-head h2 { margin-bottom: 20px; }
.section-lead  { font-size: 1.075rem; color: var(--tinta-fraca); max-width: 560px; }
.section-lead--claro { color: var(--claro-medio); }
.section-head--claro h2 { color: var(--branco); }

/* ── BOTÕES ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 30px;
  border: 1.5px solid transparent;
  border-radius: var(--radius);
  font: 600 .925rem/1 'Inter', sans-serif;
  letter-spacing: .01em;
  cursor: pointer;
  transition: background var(--t), border-color var(--t), color var(--t), transform var(--t);
}
.btn:active { transform: translateY(1px); }

.btn--primary { background: var(--verde); color: var(--branco); border-color: var(--verde); }
.btn--primary:hover { background: var(--verde-escuro); border-color: var(--verde-escuro); }

.btn--outline { background: transparent; color: var(--verde-escuro); border-color: var(--linha-forte); }
.btn--outline:hover { border-color: var(--verde); color: var(--verde); }

.btn--claro { background: var(--branco); color: var(--verde-escuro); border-color: var(--branco); }
.btn--claro:hover { background: transparent; color: var(--branco); border-color: var(--branco); }

.btn--fantasma { background: transparent; color: var(--branco); border-color: rgba(255,255,255,.55); }
.btn--fantasma:hover { border-color: var(--branco); background: rgba(255,255,255,.1); }

.btn--zap { background: #1FAE55; color: var(--branco); border-color: #1FAE55; }
.btn--zap:hover { background: #178C43; border-color: #178C43; }
.btn--zap svg { width: 19px; height: 19px; }

/* ═══════════════════════════════════════════════════════
   HEADER
═══════════════════════════════════════════════════════ */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  height: var(--header-h);
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background var(--t), border-color var(--t), box-shadow var(--t);
}
.header.solido {
  background: rgba(255,255,255,.96);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom-color: var(--linha);
  box-shadow: 0 1px 20px rgba(0,0,0,.05);
}

.nav { display: flex; align-items: center; gap: 40px; height: var(--header-h); }
.nav__logo { flex-shrink: 0; display: block; }
.nav__logo img { height: 46px; width: auto; transition: opacity var(--t); }
.nav__logo .logo--claro { display: block; }
.nav__logo .logo--cor   { display: none; }
.header.solido .logo--claro { display: none; }
.header.solido .logo--cor   { display: block; }

.nav__links { display: flex; gap: 32px; margin-left: auto; }
.nav__links a {
  position: relative;
  font-size: .9rem;
  font-weight: 500;
  color: var(--claro-forte);
  padding: 6px 0;
  transition: color var(--t);
}
.nav__links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1.5px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t);
}
.nav__links a:hover::after { transform: scaleX(1); }
.header.solido .nav__links a { color: var(--tinta-media); }
.header.solido .nav__links a:hover { color: var(--verde); }

.header .btn--nav {
  padding: 11px 22px;
  font-size: .85rem;
  background: transparent;
  color: var(--branco);
  border-color: rgba(255,255,255,.55);
}
.header .btn--nav:hover { background: var(--branco); color: var(--verde-escuro); border-color: var(--branco); }
.header.solido .btn--nav { background: var(--verde); color: var(--branco); border-color: var(--verde); }
.header.solido .btn--nav:hover { background: var(--verde-escuro); border-color: var(--verde-escuro); }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 30px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px 3px;
  margin-left: auto;
}
.nav__toggle span {
  display: block;
  height: 2px;
  background: var(--branco);
  border-radius: 2px;
  transition: transform var(--t), opacity var(--t), background var(--t);
}
.header.solido .nav__toggle span { background: var(--verde-escuro); }
.nav__toggle.ativo span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.ativo span:nth-child(2) { opacity: 0; }
.nav__toggle.ativo span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ═══════════════════════════════════════════════════════
   HERO
═══════════════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 660px;
  height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: stretch;
  overflow: hidden;
  background: var(--verde-profundo);
}

.hero__slides { position: absolute; inset: 0; z-index: 0; }
.hero__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s var(--ease);
}
.hero__slide.ativo { opacity: 1; }
.hero__slide img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero__slide.ativo img { animation: kenburns 9s var(--ease) forwards; }

@keyframes kenburns {
  from { transform: scale(1.005); }
  to   { transform: scale(1.075) translate(-1.2%, -.8%); }
}

.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(100deg, rgba(9,26,8,.80) 0%, rgba(9,26,8,.55) 38%, rgba(9,26,8,.16) 72%, rgba(9,26,8,.06) 100%),
    linear-gradient(to top, rgba(9,26,8,.62) 0%, rgba(9,26,8,0) 44%);
}

/* Curvas de nível: detalhe no canto inferior direito, bordas dissolvendo.
   Referência cartográfica — georreferenciamento, perímetro, delimitação. */
.hero__topo {
  position: absolute; z-index: 2; pointer-events: none;
  right: -3%; bottom: -4%;
  width: clamp(320px, 42%, 760px);
  aspect-ratio: 3 / 2;
  background: url('../assets/topografia.svg') center / 150% auto no-repeat;
  opacity: .30;
  -webkit-mask-image: radial-gradient(115% 115% at 88% 88%, #000 26%, rgba(0,0,0,.55) 52%, transparent 76%);
          mask-image: radial-gradient(115% 115% at 88% 88%, #000 26%, rgba(0,0,0,.55) 52%, transparent 76%);
}

/* Marca no hero. Enquanto o header está transparente, ele esconde a própria
   logo — quem assume a identidade é esta. Ao rolar, o header sólido a retoma. */
.hero__marca {
  display: block;
  height: clamp(58px, 9vw, 132px);
  width: auto;
  margin-bottom: clamp(18px, 2.6vw, 32px);
  filter: drop-shadow(0 4px 18px rgba(0,0,0,.35));
}
.header:not(.solido) .nav__logo { opacity: 0; pointer-events: none; }

/* Curva branca de transição para a próxima seção */
.hero__curva {
  position: absolute; left: 0; right: 0; bottom: -1px;
  z-index: 4; line-height: 0; pointer-events: none;
}
.hero__curva svg { width: 100%; height: clamp(46px, 7vw, 112px); display: block; }

.hero__content {
  position: relative;
  z-index: 3;
  width: 100%;
  margin-top: auto;              /* empurra o bloco para a base do hero */
  padding-top: calc(var(--header-h) + 40px);
  padding-bottom: 40px;
  color: var(--branco);
}
.hero__tag {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--claro-medio);
  margin-bottom: 26px;
}
.hero__tag::before {
  content: '';
  width: 40px; height: 1.5px;
  background: var(--claro-fraco);
}
.hero__title {
  color: var(--branco);
  max-width: 18ch;
  margin-bottom: 26px;
}
.hero__subtitle {
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  color: var(--claro-medio);
  max-width: 52ch;
  margin-bottom: 40px;
}
.hero__ctas { display: flex; gap: 14px; flex-wrap: wrap; }

/* Barra inferior do slideshow */
.hero__bar {
  position: relative;
  z-index: 5;                                  /* acima da curva */
  width: 100%;
  padding-bottom: clamp(52px, 7.5vw, 116px);   /* espaço para a curva */
}
.hero__bar-inner {
  position: relative;                /* ancora a barra de progresso */
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--claro-linha);
}
.hero__progresso {
  position: absolute;
  top: -1px; left: 0;
  height: 1.5px;
  width: 0;
  background: var(--branco);
}
.hero__progresso.correndo { animation: progresso 6500ms linear forwards; }
@keyframes progresso { from { width: 0; } to { width: 100%; } }

.hero__rotulo {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--claro-forte);
  transition: opacity .35s var(--ease);
  min-height: 1em;
}
.hero__controles { display: flex; align-items: center; gap: 18px; flex-shrink: 0; }
.hero__contador {
  font: 600 .78rem/1 'Inter', sans-serif;
  letter-spacing: .1em;
  color: var(--claro-medio);
  font-variant-numeric: tabular-nums;
}
.hero__contador b { color: var(--branco); font-weight: 700; }
.hero__seta {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  background: transparent;
  border: 1px solid var(--claro-linha);
  border-radius: 50%;
  color: var(--branco);
  cursor: pointer;
  transition: background var(--t), border-color var(--t);
}
.hero__seta:hover { background: rgba(255,255,255,.14); border-color: var(--claro-fraco); }
.hero__seta svg { width: 15px; height: 15px; }

/* ═══════════════════════════════════════════════════════
   SOBRE
═══════════════════════════════════════════════════════ */
.sobre { background: var(--branco); }
.sobre__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: clamp(48px, 8vw, 110px);
  align-items: start;
}
.sobre__texto h2 { margin-bottom: 28px; }
.sobre__texto p { color: var(--tinta-media); font-size: 1.04rem; }
.sobre__texto p:first-of-type {
  font-size: 1.2rem;
  color: var(--tinta);
  line-height: 1.5;
}

.sobre__stats { display: flex; flex-direction: column; }
.stat {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 20px;
  padding: 26px 0;
  border-top: 1px solid var(--linha);
}
.stat:last-child { border-bottom: 1px solid var(--linha); }
.stat__valor {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(2.6rem, 4.5vw, 3.5rem);
  font-weight: 900;
  line-height: .9;
  letter-spacing: -.03em;
  color: var(--verde);
  min-width: 2.6ch;
}
.stat__label {
  font-size: .9rem;
  line-height: 1.4;
  color: var(--tinta-fraca);
}

/* ═══════════════════════════════════════════════════════
   SERVIÇOS — lista editorial
═══════════════════════════════════════════════════════ */
.servicos { background: var(--areia); }
.servicos__lista {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: clamp(40px, 6vw, 88px);
  border-top: 1px solid var(--linha-forte);
}
.servico {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 24px;
  padding: 34px 4px 34px 0;
  border-bottom: 1px solid var(--linha-forte);
  transition: padding-left var(--t);
}
.servico:hover { padding-left: 12px; }
.servico__num {
  font-family: 'Montserrat', sans-serif;
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .06em;
  color: var(--verde);
  padding-top: 5px;
  font-variant-numeric: tabular-nums;
  transition: color var(--t);
}
.servico:hover .servico__num { color: var(--marrom); }
.servico h3 { margin-bottom: 10px; }
.servico p { font-size: .93rem; color: var(--tinta-fraca); margin: 0; }

/* ═══════════════════════════════════════════════════════
   PARA QUEM
═══════════════════════════════════════════════════════ */
.publico { background: var(--branco); }
.publico__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }

.perfil {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: clamp(36px, 4.5vw, 56px);
  border-radius: var(--radius);
}
.perfil--claro { background: var(--areia); border: 1px solid var(--linha); }
.perfil--escuro { background: var(--verde-escuro); }

.perfil__num {
  font-family: 'Montserrat', sans-serif;
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .2em;
  margin-bottom: 4px;
}
.perfil--claro  .perfil__num { color: var(--verde); }
.perfil--escuro .perfil__num { color: var(--claro-fraco); }

.perfil h3 { font-size: clamp(1.35rem, 2.4vw, 1.75rem); font-weight: 800; }
.perfil--escuro h3 { color: var(--branco); }
.perfil p { font-size: .96rem; }
.perfil--claro  p { color: var(--tinta-media); }
.perfil--escuro p { color: var(--claro-medio); }
.perfil .btn { align-self: flex-start; margin-top: 14px; }

/* ═══════════════════════════════════════════════════════
   CONTATO
═══════════════════════════════════════════════════════ */
.contato { background: var(--verde-profundo); }
.contato__grid {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: clamp(40px, 6vw, 80px);
  align-items: start;
}
.contato__info { display: flex; flex-direction: column; }

.contato-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  padding: 24px 0;
  border-top: 1px solid var(--claro-linha);
}
.contato-item:first-child { border-top: none; padding-top: 0; }
.contato-item__icon { width: 20px; height: 20px; color: var(--claro-fraco); margin-top: 4px; }
.contato-item__icon svg { width: 100%; height: 100%; }
.contato-item__label {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--claro-fraco);
  margin-bottom: 8px;
}
.contato-item__valor {
  display: block;
  color: var(--claro-forte);
  font-size: 1rem;
  margin-bottom: 3px;
  transition: color var(--t);
}
a.contato-item__valor:hover { color: #9BD094; }
.contato__acao { margin-top: 32px; }

.contato__mapa {
  height: clamp(320px, 46vh, 460px);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--claro-linha);
  background: var(--verde-escuro);
}
.contato__mapa iframe { width: 100%; height: 100%; border: 0; }

/* ═══════════════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════════════ */
.footer {
  background: var(--verde-profundo);
  border-top: 1px solid var(--claro-linha);
  padding: 52px 0 44px;
}
.footer__topo {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--claro-linha);
}
.footer__logo img { height: 44px; width: auto; }
.footer__servicos {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  max-width: 640px;
}
.footer__servicos li {
  font-size: .8rem;
  color: var(--claro-medio);
  position: relative;
}
.footer__servicos li + li::before {
  content: '·';
  position: absolute;
  left: -12px;
  color: var(--claro-fraco);
}
.footer__base {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 24px;
  font-size: .78rem;
  color: var(--claro-fraco);
}

/* ═══════════════════════════════════════════════════════
   WHATSAPP FLUTUANTE
═══════════════════════════════════════════════════════ */
.whatsapp-fab {
  position: fixed;
  bottom: 26px; right: 26px;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: #1FAE55;
  color: var(--branco);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 24px rgba(0,0,0,.22);
  z-index: 900;
  transition: transform var(--t), background var(--t);
}
.whatsapp-fab:hover { transform: scale(1.07); background: #178C43; }
.whatsapp-fab svg { width: 27px; height: 27px; }

/* ═══════════════════════════════════════════════════════
   REVELAÇÃO AO ROLAR
═══════════════════════════════════════════════════════ */
.js .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.js .reveal.visivel { opacity: 1; transform: none; }

/* ═══════════════════════════════════════════════════════
   RESPONSIVO
═══════════════════════════════════════════════════════ */
/* Abaixo desta largura o container encosta no WhatsApp flutuante (fixo na
   viewport) — reserva espaço para os controles do slideshow não sumirem atrás. */
@media (max-width: 1360px) {
  .hero__bar-inner { padding-right: 78px; }
}

@media (max-width: 980px) {
  .sobre__grid    { grid-template-columns: 1fr; }
  .servicos__lista{ grid-template-columns: 1fr; }
  .publico__grid  { grid-template-columns: 1fr; }
  .contato__grid  { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .container { padding: 0 22px; }
  :root { --header-h: 68px; }

  .nav__links, .header .btn--nav { display: none; }
  .nav__toggle { display: flex; }
  .nav__logo img { height: 38px; }

  /* No mobile a logo do header sempre aparece (branca sobre o hero transparente),
     e a marca gigante do hero sai: evita o hambúrguer solto no topo e o conteúdo
     do hero transbordar/sobrepor em telas baixas. */
  .header:not(.solido) .nav__logo { opacity: 1; pointer-events: auto; }
  .hero__marca { display: none; }

  .nav__links.aberto {
    display: flex;
    flex-direction: column;
    gap: 4px;
    position: absolute;
    top: var(--header-h); left: 0; right: 0;
    background: var(--branco);
    padding: 12px 22px 24px;
    border-bottom: 1px solid var(--linha);
    box-shadow: 0 12px 28px rgba(0,0,0,.1);
  }
  .nav__links.aberto a {
    color: var(--tinta);
    font-size: 1rem;
    padding: 12px 0;
    border-bottom: 1px solid var(--linha);
  }
  .nav__links.aberto a::after { display: none; }

  /* Altura automática (mínimo uma tela): em telas baixas o hero CRESCE em vez de
     cortar o topo e jogar o conteúdo sob o header. Some o corte/sobreposição. */
  .hero { min-height: 100svh; height: auto; }
  .hero__overlay {
    background:
      linear-gradient(to top, rgba(9,26,8,.9) 0%, rgba(9,26,8,.5) 50%, rgba(9,26,8,.6) 100%);
  }
  .hero__content { padding-top: calc(var(--header-h) + 24px); padding-bottom: 24px; }
  .hero__title { max-width: none; font-size: clamp(1.85rem, 8.5vw, 2.4rem); }
  .hero__subtitle { margin-bottom: 28px; }
  .hero__ctas { flex-direction: column; align-items: stretch; }
  .hero__ctas .btn { width: 100%; }

  .hero__rotulo { font-size: .64rem; letter-spacing: .14em; }
  .hero__seta { width: 36px; height: 36px; }
  .hero__controles { gap: 12px; }

  .stat { padding: 20px 0; gap: 16px; }
  .servico { padding: 26px 0; gap: 18px; }
  .servico:hover { padding-left: 0; }

  .publico { padding-bottom: 110px; }
  .footer__topo { flex-direction: column; align-items: flex-start; gap: 24px; }
  .footer__base { flex-direction: column; gap: 6px; }
}

@media (max-width: 480px) {
  .whatsapp-fab { bottom: 18px; right: 18px; width: 52px; height: 52px; }
  .hero__contador { display: none; }
  .hero__bar-inner { padding-right: 70px; }
}

/* ── Acessibilidade: movimento reduzido ── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero__slide.ativo img { animation: none; }
  .hero__progresso.correndo { animation: none; width: 100%; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}