/* ==========================================================================
   MG Tech — Estilos globais
   Paleta: azul/ciano (água), laranja/âmbar (automação), roxo (consultoria)
   ========================================================================== */

:root {
  --azul-900: #0c2340;
  --azul-700: #0e5a7a;
  --ciano-500: #06b6d4;
  --ciano-400: #22d3ee;
  --laranja-500: #f97316;
  --laranja-400: #fb923c;
  --roxo-500: #8b5cf6;
  --roxo-400: #a78bfa;

  --texto-900: #0f172a;
  --texto-600: #475569;
  --texto-400: #94a3b8;
  --fundo-0: #ffffff;
  --fundo-50: #f8fafc;
  --fundo-100: #f1f5f9;

  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;

  --sombra: 0 10px 30px -10px rgba(12, 35, 64, 0.15);
  --sombra-forte: 0 20px 50px -15px rgba(12, 35, 64, 0.25);

  --grad-principal: linear-gradient(135deg, var(--ciano-500) 0%, var(--azul-700) 100%);
  --grad-quente: linear-gradient(135deg, var(--laranja-400) 0%, var(--laranja-500) 100%);
  --grad-hero: linear-gradient(120deg, var(--azul-900) 0%, var(--azul-700) 45%, var(--ciano-500) 100%);
  --grad-texto: linear-gradient(90deg, var(--ciano-400), var(--roxo-400));
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, Roboto, sans-serif;
  color: var(--texto-900);
  background: var(--fundo-0);
  line-height: 1.6;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; }

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.secao-titulo {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}

.tag {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(6,182,212,0.12), rgba(139,92,246,0.12));
  color: var(--azul-700);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.secao-titulo h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  color: var(--texto-900);
  margin-bottom: 12px;
}

.secao-titulo p {
  color: var(--texto-600);
  font-size: 1.05rem;
}

.gradiente-texto {
  background: var(--grad-texto);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primario {
  background: var(--grad-quente);
  color: #fff;
  box-shadow: 0 8px 24px -6px rgba(249, 115, 22, 0.5);
}

.btn-primario:hover { transform: translateY(-2px); box-shadow: 0 12px 30px -6px rgba(249, 115, 22, 0.6); }

.btn-secundario {
  background: rgba(255,255,255,0.12);
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.4);
  backdrop-filter: blur(4px);
}

.btn-secundario:hover { background: rgba(255,255,255,0.22); transform: translateY(-2px); }

.btn-outline {
  background: transparent;
  color: var(--azul-700);
  border: 1.5px solid var(--azul-700);
}
.btn-outline:hover { background: var(--azul-700); color: #fff; }

/* ---------- Header ---------- */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(15,23,42,0.06);
  transition: box-shadow 0.2s ease;
}

.header.scrolled { box-shadow: 0 4px 20px -8px rgba(15,23,42,0.15); }

.header-conteudo {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo img {
  height: 56px;
  width: auto;
  mix-blend-mode: multiply;
}

.logo-selo {
  width: 42px; height: 42px;
  border-radius: 12px;
  background: var(--grad-principal);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 1.1rem;
  box-shadow: var(--sombra);
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-desktop a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--texto-600);
  position: relative;
  padding: 4px 0;
}

.nav-desktop a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--grad-quente);
  transition: width 0.2s ease;
}

.nav-desktop a:hover { color: var(--texto-900); }
.nav-desktop a:hover::after { width: 100%; }

.header-acoes { display: flex; align-items: center; gap: 18px; }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: 6px;
}
.menu-toggle span { width: 24px; height: 2.5px; background: var(--texto-900); border-radius: 2px; }

.nav-mobile {
  display: none;
  flex-direction: column;
  background: #fff;
  padding: 16px 24px 24px;
  border-top: 1px solid rgba(15,23,42,0.06);
}
.nav-mobile a {
  padding: 12px 0;
  font-weight: 600;
  color: var(--texto-900);
  border-bottom: 1px solid var(--fundo-100);
}
.nav-mobile.aberto { display: flex; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 150px 0 100px;
  background:
    linear-gradient(120deg, rgba(12,35,64,0.92) 0%, rgba(14,90,122,0.88) 45%, rgba(6,182,212,0.8) 100%),
    url('../img/projeto-osmose-reversa-1.jpg') center/cover no-repeat;
  color: #fff;
  overflow: hidden;
}

.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.5;
}
.hero-blob.b1 { width: 420px; height: 420px; background: var(--laranja-400); top: -120px; right: -100px; }
.hero-blob.b2 { width: 320px; height: 320px; background: var(--roxo-500); bottom: -140px; left: -80px; opacity: 0.4; }

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(2.2rem, 4.4vw, 3.4rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.85);
  max-width: 520px;
  margin-bottom: 32px;
}

.hero-botoes { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 40px; }

.hero-selos {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}
.hero-selo { display: flex; align-items: center; gap: 10px; font-size: 0.88rem; color: rgba(255,255,255,0.85); }
.hero-selo svg { width: 20px; height: 20px; color: var(--ciano-400); flex-shrink: 0; }

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-cartao {
  position: relative;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: var(--radius-lg);
  padding: 32px;
  backdrop-filter: blur(6px);
  width: 100%;
  max-width: 380px;
}

.hero-cartao-icone {
  width: 56px; height: 56px;
  border-radius: 16px;
  background: var(--grad-quente);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.hero-cartao-icone svg { width: 28px; height: 28px; color: #fff; }

.hero-cartao h3 { font-size: 1.2rem; margin-bottom: 10px; }
.hero-cartao p { font-size: 0.92rem; color: rgba(255,255,255,0.75); margin-bottom: 0; }

.hero-mini-stats {
  display: flex;
  gap: 16px;
  margin-top: 24px;
}
.hero-mini-stat {
  flex: 1;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  padding: 14px;
  text-align: center;
}
.hero-mini-stat strong { display: block; font-size: 1.1rem; color: var(--ciano-400); }
.hero-mini-stat span { font-size: 0.75rem; color: rgba(255,255,255,0.75); }

/* ---------- Setores ---------- */
.setores { padding: 90px 0 60px; background: var(--fundo-0); }

.setores-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.setor-card {
  padding: 28px 20px;
  border-radius: var(--radius-md);
  background: var(--fundo-50);
  border: 1px solid var(--fundo-100);
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.setor-card:hover { transform: translateY(-6px); box-shadow: var(--sombra); border-color: transparent; }

.setor-icone {
  width: 56px; height: 56px;
  margin: 0 auto 16px;
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
}
.setor-icone svg { width: 26px; height: 26px; color: #fff; }

.setor-card:nth-child(1) .setor-icone { background: var(--grad-principal); }
.setor-card:nth-child(2) .setor-icone { background: linear-gradient(135deg, var(--roxo-500), #6d28d9); }
.setor-card:nth-child(3) .setor-icone { background: var(--grad-quente); }
.setor-card:nth-child(4) .setor-icone { background: linear-gradient(135deg, #10b981, #047857); }

.setor-card h3 { font-size: 1rem; margin-bottom: 6px; }
.setor-card p { font-size: 0.85rem; color: var(--texto-600); }

/* ---------- Serviços ---------- */
.servicos { padding: 90px 0; background: var(--fundo-50); }

.servicos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.servico-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  box-shadow: var(--sombra);
  position: relative;
  overflow: hidden;
  transition: transform 0.25s ease;
}
.servico-card:hover { transform: translateY(-8px); }

.servico-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 5px;
}
.servico-card.c1::before { background: var(--grad-principal); }
.servico-card.c2::before { background: var(--grad-quente); }
.servico-card.c3::before { background: linear-gradient(90deg, var(--roxo-500), var(--roxo-400)); }

.servico-icone {
  width: 64px; height: 64px;
  border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 22px;
}
.servico-icone svg { width: 30px; height: 30px; color: #fff; }
.servico-card.c1 .servico-icone { background: var(--grad-principal); }
.servico-card.c2 .servico-icone { background: var(--grad-quente); }
.servico-card.c3 .servico-icone { background: linear-gradient(135deg, var(--roxo-500), #6d28d9); }

.servico-card h3 { font-size: 1.3rem; margin-bottom: 12px; }
.servico-card > p { color: var(--texto-600); font-size: 0.95rem; margin-bottom: 20px; }

.servico-lista { display: flex; flex-direction: column; gap: 10px; }
.servico-lista li { display: flex; align-items: flex-start; gap: 10px; font-size: 0.9rem; color: var(--texto-600); }
.servico-lista svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 2px; color: var(--ciano-500); }
.servico-card.c2 .servico-lista svg { color: var(--laranja-500); }
.servico-card.c3 .servico-lista svg { color: var(--roxo-500); }

/* ---------- Tipos de água ---------- */
.tipos-agua { padding: 90px 0; background: var(--fundo-0); }

.tipos-agua-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}

.tipo-agua-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 280px;
  box-shadow: var(--sombra);
}

.tipo-agua-card img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.tipo-agua-card:hover img { transform: scale(1.08); }

.tipo-agua-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(12,35,64,0.88) 0%, rgba(12,35,64,0.15) 55%, transparent 100%);
}

.tipo-agua-texto {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 2;
  padding: 18px 16px;
  color: #fff;
}

.tipo-agua-texto span {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.18);
  backdrop-filter: blur(3px);
  margin-bottom: 8px;
}

.tipo-agua-texto h3 { font-size: 1.02rem; line-height: 1.3; }

/* ---------- Sobre ---------- */
.sobre {
  padding: 90px 0;
  background: var(--fundo-0);
}

.sobre-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 56px;
  align-items: center;
}

.sobre-visual {
  position: relative;
  border-radius: var(--radius-lg);
  background: var(--grad-hero);
  padding: 44px 32px;
  color: #fff;
  overflow: hidden;
}
.sobre-visual .hero-blob.b1 { width: 260px; height: 260px; top: -60px; right: -60px; }

.sobre-valores { position: relative; z-index: 2; display: flex; flex-direction: column; gap: 22px; }
.sobre-valor { display: flex; gap: 14px; align-items: flex-start; }
.sobre-valor-icone {
  width: 40px; height: 40px; flex-shrink: 0;
  border-radius: 12px;
  background: rgba(255,255,255,0.15);
  display: flex; align-items: center; justify-content: center;
}
.sobre-valor-icone svg { width: 20px; height: 20px; color: var(--ciano-400); }
.sobre-valor h4 { font-size: 1rem; margin-bottom: 4px; }
.sobre-valor p { font-size: 0.88rem; color: rgba(255,255,255,0.8); }

.sobre-texto .tag { margin-bottom: 16px; }
.sobre-texto h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 18px; }
.sobre-texto p { color: var(--texto-600); margin-bottom: 16px; }

.sobre-lista { margin-top: 24px; display: flex; flex-direction: column; gap: 14px; }
.sobre-lista li { display: flex; gap: 12px; align-items: flex-start; font-size: 0.95rem; color: var(--texto-900); font-weight: 600; }
.sobre-lista svg { width: 22px; height: 22px; flex-shrink: 0; color: #fff; background: var(--grad-quente); border-radius: 50%; padding: 4px; }

/* ---------- Portfólio ---------- */
.portfolio { padding: 90px 0; background: var(--fundo-50); }

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.portfolio-card {
  background: #fff;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--sombra);
}

.portfolio-capa {
  height: 190px;
  position: relative;
  overflow: hidden;
}
.portfolio-capa img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.portfolio-card:hover .portfolio-capa img { transform: scale(1.06); }

.portfolio-corpo { padding: 24px; }
.portfolio-selo {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--azul-700);
  background: var(--fundo-100);
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 10px;
}
.portfolio-corpo h3 { font-size: 1.1rem; margin-bottom: 8px; }
.portfolio-corpo p { font-size: 0.9rem; color: var(--texto-600); }

.portfolio-aviso {
  text-align: center;
  margin-top: 28px;
  font-size: 0.85rem;
  color: var(--texto-400);
  font-style: italic;
}

/* ---------- Vídeos ---------- */
.videos { padding: 90px 0; background: var(--fundo-50); }

.videos-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.video-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--sombra);
}

.video-card video {
  width: 100%;
  aspect-ratio: 16 / 9;
  height: auto;
  display: block;
  background: #000;
  object-fit: cover;
}

.video-legenda { padding: 20px 24px; }
.video-legenda h3 { font-size: 1rem; color: var(--texto-900); }

/* ---------- Depoimentos ---------- */
.depoimentos { padding: 90px 0; background: var(--fundo-0); }

.depoimentos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.depoimento-card {
  background: var(--fundo-50);
  border: 1px solid var(--fundo-100);
  border-radius: var(--radius-md);
  padding: 28px;
  position: relative;
}

.depoimento-aspas { width: 34px; height: 34px; color: var(--ciano-500); opacity: 0.5; margin-bottom: 14px; }
.depoimento-card p.corpo { font-size: 0.95rem; color: var(--texto-600); margin-bottom: 20px; font-style: italic; }

.depoimento-autor { display: flex; align-items: center; gap: 12px; }
.depoimento-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--grad-principal);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700;
}
.depoimento-autor strong { display: block; font-size: 0.9rem; }
.depoimento-autor span { font-size: 0.78rem; color: var(--texto-400); }

/* ---------- FAQ ---------- */
.faq { padding: 90px 0; background: var(--fundo-50); }

.faq-lista { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }

.faq-item {
  background: #fff;
  border: 1px solid var(--fundo-100);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 700;
  font-size: 0.98rem;
}
.faq-item summary::-webkit-details-marker { display: none; }

.faq-icone-mais {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--fundo-100);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  margin-left: 16px;
  transition: transform 0.25s ease, background 0.25s ease;
}
.faq-icone-mais svg { width: 14px; height: 14px; color: var(--azul-700); }

.faq-item[open] .faq-icone-mais { transform: rotate(45deg); background: var(--grad-quente); }
.faq-item[open] .faq-icone-mais svg { color: #fff; }

.faq-resposta { padding: 0 24px 22px; color: var(--texto-600); font-size: 0.92rem; }

/* ---------- Contato ---------- */
.contato { padding: 90px 0; background: var(--grad-hero); color: #fff; position: relative; overflow: hidden; }

.contato-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 48px;
}

.contato-info .tag { background: rgba(255,255,255,0.12); color: #fff; }
.contato-info h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 16px; }
.contato-info > p { color: rgba(255,255,255,0.8); margin-bottom: 32px; }

.contato-item { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 22px; }
.contato-item-icone {
  width: 42px; height: 42px; flex-shrink: 0;
  border-radius: 12px;
  background: rgba(255,255,255,0.12);
  display: flex; align-items: center; justify-content: center;
}
.contato-item-icone svg { width: 20px; height: 20px; color: var(--ciano-400); }
.contato-item strong { display: block; font-size: 0.95rem; margin-bottom: 2px; }
.contato-item span, .contato-item a { font-size: 0.88rem; color: rgba(255,255,255,0.75); }

.contato-form {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--sombra-forte);
}
.contato-form h3 { color: var(--texto-900); font-size: 1.2rem; margin-bottom: 22px; }

.campo { margin-bottom: 18px; }
.campo label { display: block; font-size: 0.85rem; font-weight: 700; color: var(--texto-900); margin-bottom: 6px; }
.campo input, .campo select, .campo textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--fundo-100);
  background: var(--fundo-50);
  font-size: 0.92rem;
  color: var(--texto-900);
  font-family: inherit;
  transition: border-color 0.2s ease;
}
.campo input:focus, .campo select:focus, .campo textarea:focus {
  outline: none;
  border-color: var(--ciano-500);
}
.campo textarea { resize: vertical; min-height: 100px; }

.linha-dois { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.contato-form .btn { width: 100%; justify-content: center; }

.form-nota { font-size: 0.78rem; color: var(--texto-400); margin-top: 12px; text-align: center; }

/* ---------- Rodapé ---------- */
.rodape { background: var(--texto-900); color: rgba(255,255,255,0.7); padding: 56px 0 24px; }

.rodape-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.rodape-logo {
  display: inline-flex;
  align-items: center;
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  margin-bottom: 16px;
}
.rodape-logo img { height: 48px; width: auto; display: block; }
.rodape-col p { font-size: 0.88rem; line-height: 1.7; }
.rodape-col h4 { color: #fff; font-size: 0.92rem; margin-bottom: 16px; }
.rodape-col ul { display: flex; flex-direction: column; gap: 10px; }
.rodape-col a { font-size: 0.88rem; }
.rodape-col a:hover { color: var(--ciano-400); }

.rodape-social { display: flex; gap: 10px; margin-top: 16px; }
.rodape-social a {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
}
.rodape-social a svg { width: 17px; height: 17px; }
.rodape-social a:hover { background: var(--grad-quente); }

.rodape-baixo {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8rem;
}

/* ---------- Responsivo ---------- */
@media (max-width: 960px) {
  .hero-grid, .sobre-grid, .contato-grid { grid-template-columns: 1fr; }
  .setores-grid { grid-template-columns: repeat(2, 1fr); }
  .servicos-grid, .portfolio-grid, .depoimentos-grid, .videos-grid { grid-template-columns: 1fr; }
  .tipos-agua-grid { grid-template-columns: repeat(2, 1fr); }
  .rodape-grid { grid-template-columns: 1fr 1fr; }
  .hero-visual { order: -1; }
}

@media (max-width: 720px) {
  .nav-desktop, .header-acoes .btn { display: none; }
  .menu-toggle { display: flex; }
  .hero { padding: 130px 0 70px; }
  .linha-dois { grid-template-columns: 1fr; }
  .rodape-grid { grid-template-columns: 1fr; }
  .rodape-baixo { flex-direction: column; text-align: center; }
}