/* ============================================================
   Metalcold — folha de estilo unica
   Paleta e escala definidas em :root; tudo abaixo deriva dela.
   ============================================================ */

:root {
  --azul: #0B2E42;
  --azul-medio: #14465F;
  --ciano: #1FA8C7;
  --ciano-escuro: #17869F;
  --grafite: #3A4650;
  --azul-claro: #D8EAF2;
  --cinza-claro: #F4F7F9;
  --whatsapp: #25D366;
  --branco: #FFFFFF;
  --texto: #1E262C;
  --texto-suave: #55636E;
  --borda: #D5DEE4;

  --fonte: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --container: 1160px;
  --raio: 10px;
  --sombra: 0 2px 8px rgba(11, 46, 66, .08);
  --sombra-alta: 0 8px 28px rgba(11, 46, 66, .14);
}

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

/* scroll-padding compensa o cabecalho fixo ao pular para ancoras (#orcamento). */
html { scroll-padding-top: 88px; }

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  font-family: var(--fonte);
  font-size: 17px;
  line-height: 1.65;
  color: var(--texto);
  background: var(--branco);
  -webkit-text-size-adjust: 100%;
}

img, svg { max-width: 100%; height: auto; }

a { color: var(--ciano-escuro); }
a:hover { color: var(--azul); }

h1, h2, h3, h4 {
  line-height: 1.22;
  color: var(--azul);
  margin: 0 0 .6em;
  font-weight: 800;
  letter-spacing: -.01em;
}
h1 { font-size: clamp(1.75rem, 1.15rem + 2.4vw, 2.7rem); }
h2 { font-size: clamp(1.35rem, 1.05rem + 1.3vw, 1.85rem); margin-top: 2em; }
h3 { font-size: clamp(1.1rem, 1rem + .5vw, 1.25rem); margin-top: 1.6em; }

p { margin: 0 0 1.1em; }
ul, ol { margin: 0 0 1.2em; padding-left: 1.35em; }
li { margin-bottom: .45em; }
strong { color: var(--azul); }

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

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}

/* ---------- Botoes ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5em;
  padding: .8em 1.5em;
  border: 2px solid transparent;
  border-radius: var(--raio);
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .15s, color .15s, border-color .15s;
}
.btn-primary { background: var(--ciano); color: var(--branco); }
.btn-primary:hover { background: var(--ciano-escuro); color: var(--branco); }
.btn-ghost { background: transparent; color: var(--branco); border-color: rgba(255,255,255,.55); }
.btn-ghost:hover { background: rgba(255,255,255,.12); color: var(--branco); }
.btn-outline { background: var(--branco); color: var(--azul); border-color: var(--borda); }
.btn-outline:hover { border-color: var(--ciano); color: var(--ciano-escuro); }
.btn-whats { background: var(--whatsapp); color: #0B3D22; }
.btn-whats:hover { background: #1eb959; color: #0B3D22; }
.btn-lg { padding: 1em 1.9em; font-size: 1.06rem; }

/* ---------- Cabecalho ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--branco);
  border-bottom: 1px solid var(--borda);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 72px;
}
.logo { display: inline-flex; align-items: center; flex-shrink: 0; }
.logo svg, .logo img { width: 186px; height: auto; display: block; }

.nav-toggle {
  margin-left: auto;
  display: none;
  background: none;
  border: 1px solid var(--borda);
  border-radius: 8px;
  padding: .55em .7em;
  cursor: pointer;
  color: var(--azul);
}
.nav-toggle svg { width: 22px; height: 22px; display: block; }

.main-nav { margin-left: auto; }
.main-nav > ul {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.main-nav a {
  display: block;
  padding: .55em .7em;
  color: var(--grafite);
  font-size: .95rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 8px;
}
.main-nav a:hover { color: var(--azul); background: var(--cinza-claro); }

.has-children { position: relative; }
.has-children > ul {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 268px;
  background: var(--branco);
  border: 1px solid var(--borda);
  border-radius: var(--raio);
  box-shadow: var(--sombra-alta);
  list-style: none;
  margin: 0;
  padding: 6px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity .15s, transform .15s, visibility .15s;
}
.has-children:hover > ul,
.has-children:focus-within > ul {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.has-children > ul a { font-weight: 500; padding: .6em .75em; }

.header-cta { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.header-phone {
  display: inline-flex;
  flex-direction: column;
  line-height: 1.2;
  font-size: .95rem;
  font-weight: 700;
  color: var(--azul);
  text-decoration: none;
}
.header-phone small { font-size: .72rem; font-weight: 500; color: var(--texto-suave); }

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

.hero {
  background: linear-gradient(150deg, var(--azul) 0%, var(--azul-medio) 100%);
  color: var(--branco);
  padding: clamp(48px, 7vw, 84px) 0;
}
.hero h1 { color: var(--branco); max-width: 19ch; }
.hero .lead {
  font-size: clamp(1.02rem, .95rem + .5vw, 1.2rem);
  color: var(--azul-claro);
  max-width: 58ch;
  margin-bottom: 1.8em;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-selo {
  display: inline-flex;
  align-items: center;
  gap: .5em;
  margin-bottom: 1.4em;
  padding: .35em .9em;
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 100px;
  font-size: .85rem;
  font-weight: 600;
  color: var(--azul-claro);
}

/* ---------- Secoes ---------- */

.section { padding: clamp(44px, 6vw, 76px) 0; }
.section-alt { background: var(--cinza-claro); }
.section-head { max-width: 62ch; margin-bottom: 2.2rem; }
.section-head h2 { margin-top: 0; }
.section-head p { color: var(--texto-suave); margin-bottom: 0; }

/* ---------- Cards ---------- */

.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(268px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(228px, 1fr)); }

.card {
  display: flex;
  flex-direction: column;
  background: var(--branco);
  border: 1px solid var(--borda);
  border-radius: var(--raio);
  padding: 24px;
  box-shadow: var(--sombra);
}
.card h3 { margin-top: 0; }
.card p { color: var(--texto-suave); margin-bottom: 1em; }
.card .card-link { margin-top: auto; font-weight: 700; text-decoration: none; }
.card .card-link::after { content: " →"; }

.card-destaque {
  background: linear-gradient(150deg, var(--azul) 0%, var(--azul-medio) 100%);
  border-color: transparent;
  color: var(--branco);
  padding: 30px;
}
.card-destaque h3 { color: var(--branco); font-size: 1.4rem; }
.card-destaque p { color: var(--azul-claro); }
.card-destaque .card-link { color: var(--ciano); }

.card-icone {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  margin-bottom: 14px;
  border-radius: 10px;
  background: var(--azul-claro);
  color: var(--azul);
}
.card-icone svg { width: 24px; height: 24px; }

.lista-checada { list-style: none; padding: 0; }
.lista-checada li {
  position: relative;
  padding-left: 1.85em;
  margin-bottom: .6em;
}
.lista-checada li::before {
  content: "";
  position: absolute;
  left: 0; top: .5em;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--ciano);
}

/* ---------- Paginas internas ---------- */

.breadcrumb {
  background: var(--cinza-claro);
  border-bottom: 1px solid var(--borda);
  font-size: .875rem;
}
.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: .45em;
  list-style: none;
  margin: 0;
  padding: .8em 0;
}
.breadcrumb li + li::before { content: "/"; margin-right: .45em; color: var(--borda); }
.breadcrumb a { color: var(--texto-suave); text-decoration: none; }
.breadcrumb a:hover { color: var(--ciano-escuro); text-decoration: underline; }
.breadcrumb [aria-current] { color: var(--azul); font-weight: 600; }

.page { max-width: 820px; margin-inline: auto; padding: clamp(36px, 5vw, 60px) 20px; }
.page-head { margin-bottom: 2rem; }
.page-head h1 { margin-bottom: .4em; }
.page .lead {
  font-size: 1.12rem;
  color: var(--texto-suave);
  margin-bottom: 0;
}
.page-wide { max-width: var(--container); }

.destaque {
  background: var(--azul-claro);
  border-left: 4px solid var(--ciano);
  border-radius: 0 var(--raio) var(--raio) 0;
  padding: 18px 22px;
  margin: 1.8em 0;
}
.destaque p:last-child { margin-bottom: 0; }
.destaque h3 { margin-top: 0; }

.tabela-wrap { overflow-x: auto; margin: 1.6em 0; }
table { width: 100%; border-collapse: collapse; font-size: .95rem; }
th, td { text-align: left; padding: .7em .8em; border-bottom: 1px solid var(--borda); }
th { background: var(--cinza-claro); color: var(--azul); font-weight: 700; }

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

.faq details {
  border: 1px solid var(--borda);
  border-radius: var(--raio);
  margin-bottom: 10px;
  background: var(--branco);
}
.faq summary {
  padding: 1em 1.15em;
  cursor: pointer;
  font-weight: 700;
  color: var(--azul);
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; float: right; color: var(--ciano); font-size: 1.3em; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq .faq-resposta { padding: 0 1.15em 1.1em; color: var(--texto-suave); }
.faq .faq-resposta p:last-child { margin-bottom: 0; }

/* ---------- Formulario ---------- */

.page-form {
  margin-top: 3rem;
  padding: 28px;
  background: var(--cinza-claro);
  border: 1px solid var(--borda);
  border-radius: var(--raio);
}
.page-form h2 { margin-top: 0; }

.form-row { margin-bottom: 16px; }
.form-row.two-col { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
label {
  display: block;
  margin-bottom: .35em;
  font-size: .9rem;
  font-weight: 600;
  color: var(--azul);
}
input, select, textarea {
  width: 100%;
  padding: .72em .85em;
  font-family: inherit;
  font-size: 1rem;
  color: var(--texto);
  background: var(--branco);
  border: 1px solid var(--borda);
  border-radius: 8px;
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--ciano);
  outline-offset: 1px;
  border-color: var(--ciano);
}
textarea { min-height: 118px; resize: vertical; }
.form-submit { width: 100%; margin-top: 6px; }
.form-nota { font-size: .82rem; color: var(--texto-suave); margin: .9em 0 0; }

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

.cta-final {
  background: linear-gradient(150deg, var(--azul) 0%, var(--azul-medio) 100%);
  color: var(--branco);
  padding: clamp(44px, 6vw, 68px) 0;
  text-align: center;
}
.cta-final h2 { color: var(--branco); margin-top: 0; }
.cta-final p { color: var(--azul-claro); max-width: 56ch; margin-inline: auto; margin-bottom: 1.7em; }
.cta-acoes { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }

/* ---------- Rodape ---------- */

.site-footer {
  background: var(--azul);
  color: var(--azul-claro);
  padding: 56px 0 0;
  font-size: .94rem;
}
.site-footer h3 {
  color: var(--branco);
  font-size: .82rem;
  letter-spacing: .09em;
  text-transform: uppercase;
  margin-bottom: 1em;
}
.site-footer a { color: var(--azul-claro); text-decoration: none; }
.site-footer a:hover { color: var(--branco); text-decoration: underline; }
.site-footer ul { list-style: none; padding: 0; }
.footer-grid {
  display: grid;
  gap: 34px;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  padding-bottom: 40px;
}
.footer-logo svg, .footer-logo img { width: 190px; margin-bottom: 16px; }
.footer-sobre p { color: rgba(216, 234, 242, .8); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.14);
  padding: 20px 0 26px;
  font-size: .85rem;
  color: rgba(216, 234, 242, .72);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: space-between;
}
address { font-style: normal; }

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

.whats-float {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 60;
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--whatsapp);
  color: #FFFFFF;
  box-shadow: 0 4px 16px rgba(0,0,0,.28);
}
.whats-float svg { width: 30px; height: 30px; }
.whats-float:hover { background: #1eb959; color: #FFFFFF; }

/* ---------- Responsivo ---------- */

/* Ate 1024px o menu horizontal fica apertado e quebra em duas linhas,
   entao o hamburguer assume nessa faixa tambem. */
@media (max-width: 1024px) {
  .nav-toggle { display: block; order: 3; }
  .header-cta { display: none; }
  .main-nav {
    order: 4;
    flex-basis: 100%;
    margin-left: 0;
    display: none;
    padding-bottom: 14px;
  }
  .main-nav.is-open { display: block; }
  .main-nav > ul { flex-direction: column; align-items: stretch; gap: 0; }
  .main-nav a { padding: .75em .2em; border-bottom: 1px solid var(--borda); border-radius: 0; }
  .has-children > ul {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: 0;
    padding: 0 0 0 14px;
    min-width: 0;
  }
  .header-inner { flex-wrap: wrap; padding-block: 12px; min-height: 0; }
  .logo svg, .logo img { width: 156px; }

  /* Em telas estreitas o botao flutuante do WhatsApp cobre a ultima linha
     do rodape; esta folga garante que o texto fique acima dele. */
  .footer-bottom { padding-bottom: 88px; }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .page-form { padding: 20px; }
  .whats-float { width: 52px; height: 52px; right: 14px; bottom: 14px; }
  .hero-actions .btn, .cta-acoes .btn { width: 100%; }
}

@media print {
  .site-header, .site-footer, .whats-float, .cta-final, .page-form { display: none; }
}