/* =========================================================
   Auto Center Humild Som — folha de estilos principal
   Direção: "painel de oficina" — asfalto escuro + amarelo de
   sinalização, etiquetas estilo caixa de fusíveis, leitura
   tipo instrumento de diagnóstico para dados técnicos.
   ========================================================= */

:root{
  /* Cor */
  --ink:        #15181B;
  --asphalt-1:  #1B1E22;
  --asphalt-2:  #23272C;
  --asphalt-3:  #2C3136;
  --paper:      #EDEEEC;
  --paper-2:    #FFFFFF;
  --line-dark:  rgba(255,255,255,.10);
  --line-light: rgba(21,24,27,.12);
  --yellow:     #F5B300;
  --yellow-ink: #3A2900;
  --yellow-dark:#C98B00;
  --blue:       #2F5FA8;
  --blue-dark:  #234879;
  --muted:      #6B7178;
  --muted-on-dark: #A7ACB2;
  --ok-green:   #2E7D4F;

  /* Tipografia */
  --font-display: "Oswald", "Arial Narrow", sans-serif;
  --font-body: "Work Sans", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  /* Layout */
  --container: 1120px;
  --radius: 6px;
  --radius-sm: 3px;
  --shadow-1: 0 1px 2px rgba(0,0,0,.06), 0 8px 24px rgba(0,0,0,.08);
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{ animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}

body{
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img{ max-width: 100%; display:block; }
a{ color: var(--blue-dark); }
a:hover{ color: var(--blue); }

.container{
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

h1,h2,h3,h4{
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: .01em;
  line-height: 1.08;
  margin: 0 0 .5em;
  color: var(--ink);
}
h1{ font-size: clamp(2rem, 5vw, 3.4rem); }
h2{ font-size: clamp(1.5rem, 3.2vw, 2.2rem); }
h3{ font-size: 1.15rem; letter-spacing: .02em; }
p{ margin: 0 0 1em; color: var(--ink); }
.section-eyebrow{
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .78rem;
  color: var(--blue-dark);
  display: inline-flex;
  align-items: center;
  gap: .5em;
  margin-bottom: .6em;
}
.section-eyebrow::before{
  content: "";
  width: 18px; height: 2px;
  background: var(--yellow);
  display: inline-block;
}

/* Skip link */
.skip-link{
  position: absolute; left: -999px; top: 0;
  background: var(--yellow); color: var(--yellow-ink);
  padding: 10px 16px; z-index: 1000; font-weight: 600;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus{ left: 0; }

/* Foco visível em tudo */
a:focus-visible, button:focus-visible, input:focus-visible,
textarea:focus-visible, summary:focus-visible, [tabindex]:focus-visible{
  outline: 3px solid var(--blue);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ===================== Botões ===================== */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5em;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: .98rem;
  padding: 13px 22px;
  border-radius: var(--radius);
  border: 2px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: transform .12s ease, background-color .12s ease, border-color .12s ease, box-shadow .12s ease;
  line-height: 1.1;
  white-space: nowrap;
}
.btn:active{ transform: translateY(1px); }
.btn-whatsapp{
  background: var(--yellow);
  color: var(--yellow-ink);
  border-color: var(--yellow);
}
.btn-whatsapp:hover{ background: var(--yellow-dark); border-color: var(--yellow-dark); color: var(--yellow-ink); }
.btn-outline{
  background: transparent;
  color: var(--paper-2);
  border-color: rgba(255,255,255,.4);
}
.btn-outline:hover{ border-color: var(--paper-2); color: var(--paper-2); background: rgba(255,255,255,.06); }
.btn-outline-dark{
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-outline-dark:hover{ background: var(--ink); color: var(--paper-2); }
.btn-block{ width: 100%; }
.btn[aria-disabled="true"]{ opacity: .55; cursor: not-allowed; }
.btn:disabled{ opacity: .55; cursor: not-allowed; }

/* Estado de erro em botão de formulário (feedback breve) */
.btn.is-error{
  background: #B3261E; border-color: #B3261E; color: #fff;
}

/* ===================== Cabeçalho ===================== */
.site-header{
  position: sticky; top: 0; z-index: 100;
  background: var(--asphalt-1);
  border-bottom: 1px solid var(--line-dark);
}
.header-inner{
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 12px 20px;
}
.logo{
  font-family: var(--font-display);
  color: var(--paper-2);
  text-decoration: none;
  font-size: 1.05rem;
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: .02em;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-right: auto;
}
.logo:hover{ color: var(--yellow); }
.logo .mark{ flex: none; }
.logo .logo-text span{
  display: block; color: var(--yellow); font-size: .78em; letter-spacing: .1em;
}
.site-nav{
  display: flex;
  align-items: center;
  gap: 6px;
}
.site-nav a{
  color: var(--muted-on-dark);
  text-decoration: none;
  font-size: .92rem;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: .03em;
}
.site-nav a:hover{ color: var(--paper-2); background: rgba(255,255,255,.06); }
.site-nav a[aria-current="page"]{ color: var(--yellow); }

.header-cta{ display:flex; align-items:center; gap:10px; }
.nav-toggle{
  display: none;
  background: transparent;
  border: 1px solid var(--line-dark);
  color: var(--paper-2);
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  font-family: var(--font-body);
  font-weight: 600;
  cursor: pointer;
}

@media (max-width: 880px){
  .site-nav{
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--asphalt-1);
    flex-direction: column;
    align-items: stretch;
    padding: 8px 20px 16px;
    border-bottom: 1px solid var(--line-dark);
    display: none;
  }
  .site-nav.is-open{ display: flex; }
  .site-nav a{ padding: 12px 8px; }
  .nav-toggle{ display: inline-flex; align-items:center; gap:8px; }
  .header-cta .btn-whatsapp span.long{ display:none; }
}

/* ===================== Hero ===================== */
.hero{
  position: relative;
  background: var(--asphalt-1);
  color: var(--paper-2);
  overflow: hidden;
  padding: 76px 0 88px;
}
.hero::before{
  /* padrão sutil de "diagrama elétrico" ao fundo */
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-dark) 1px, transparent 1px);
  background-size: 42px 42px;
  opacity: .35;
  mask-image: radial-gradient(ellipse 80% 60% at 70% 30%, #000 40%, transparent 85%);
}
.hero-inner{
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 40px;
  align-items: center;
}
@media (max-width: 900px){
  .hero-inner{ grid-template-columns: 1fr; }
}
.hero h1{ color: var(--paper-2); }
.hero h1 .accent{ color: var(--yellow); }
.hero-lede{
  font-size: 1.1rem;
  color: var(--muted-on-dark);
  max-width: 46ch;
}
.hero-ctas{ display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.hero-badges{
  display: flex; flex-wrap: wrap; gap: 10px 22px;
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid var(--line-dark);
}
.hero-badge{
  font-family: var(--font-mono);
  font-size: .82rem;
  color: var(--muted-on-dark);
  display: flex; align-items: center; gap: 8px;
}
.hero-badge strong{ color: var(--paper-2); font-weight: 600; }

/* Painel "diagnóstico" (elemento-assinatura) */
.gauge-panel{
  background: var(--asphalt-2);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  padding: 26px 24px 22px;
}
.gauge-panel .gauge-label{
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: .1em;
  font-size: .74rem;
  color: var(--muted-on-dark);
  display:flex; justify-content:space-between;
  margin-bottom: 14px;
}
.gauge-panel .gauge-label b{ color: var(--yellow); font-weight:600; }
.gauge-rows{ display:flex; flex-direction:column; gap:0; }
.gauge-row{
  display:flex; justify-content:space-between; gap:12px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line-dark);
  font-family: var(--font-mono);
  font-size: .88rem;
}
.gauge-row:last-child{ border-bottom:none; }
.gauge-row .k{ color: var(--muted-on-dark); }
.gauge-row .v{ color: var(--paper-2); font-weight: 600; text-align:right; }

/* ===================== Seções gerais ===================== */
.section{ padding: 64px 0; }
.section-dark{ background: var(--asphalt-1); color: var(--paper-2); }
.section-dark h2{ color: var(--paper-2); }
.section-dark p{ color: var(--muted-on-dark); }
.section-white{ background: var(--paper-2); }
.section-head{ max-width: 62ch; margin-bottom: 34px; }
.section-head p{ color: var(--muted); font-size: 1.02rem; }

/* ===================== Cartões de serviço (etiqueta de fusível) ===================== */
.grid{
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(4, 1fr);
}
@media (max-width: 980px){ .grid{ grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px){ .grid{ grid-template-columns: 1fr; } }

.fuse-card{
  background: var(--paper-2);
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  padding: 20px 18px;
  position: relative;
  box-shadow: var(--shadow-1);
}
.fuse-card .code{
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--blue-dark);
  background: rgba(47,95,168,.08);
  display: inline-block;
  padding: 3px 8px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.fuse-card h3{ margin-bottom: .35em; text-transform: none; font-family: var(--font-body); font-weight: 700; letter-spacing: 0; }
.fuse-card p{ color: var(--muted); font-size: .94rem; margin: 0; }

/* ===================== Passos (como funciona) ===================== */
.steps{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  counter-reset: step;
}
@media (max-width: 820px){ .steps{ grid-template-columns: 1fr; } }
.step{ position: relative; padding-left: 52px; }
.step::before{
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute; left: 0; top: 0;
  font-family: var(--font-mono);
  font-size: .95rem;
  color: var(--yellow-ink);
  background: var(--yellow);
  width: 38px; height: 38px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
}
.step h3{ margin-bottom: .3em; }
.step p{ color: var(--muted); margin: 0; }

/* ===================== Diferenciais ===================== */
.diff-list{ display:grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
@media (max-width: 820px){ .diff-list{ grid-template-columns: 1fr; } }
.diff-item{
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  padding: 20px;
  background: var(--asphalt-2);
}
.diff-item h3{ color: var(--paper-2); font-family: var(--font-body); text-transform:none; font-weight:700; }
.diff-item p{ margin:0; color: var(--muted-on-dark); font-size:.94rem; }

/* ===================== Localização ===================== */
.location-grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
@media (max-width: 860px){ .location-grid{ grid-template-columns: 1fr; } }
.location-card{
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--paper-2);
  box-shadow: var(--shadow-1);
}
.location-card .map-embed{ width:100%; aspect-ratio: 16/10; border:0; display:block; background: var(--asphalt-3); }
.location-card .location-body{ padding: 18px 20px; }
.location-card .tag{
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--blue-dark);
  margin-bottom: 8px;
  display:block;
}
.location-card address{ font-style: normal; margin: 0 0 12px; color: var(--ink); }
.location-actions{ display:flex; flex-wrap:wrap; gap:10px; }

/* ===================== Contato / info ===================== */
.contact-grid{
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 40px;
  align-items: start;
}
@media (max-width: 900px){ .contact-grid{ grid-template-columns: 1fr; } }
.info-list{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:16px; }
.info-list li{
  display:flex; gap:14px; align-items:flex-start;
  padding-bottom: 16px; border-bottom: 1px dashed var(--line-light);
}
.info-list li:last-child{ border-bottom:none; padding-bottom:0; }
.info-list .ico{
  width: 34px; height:34px; border-radius: var(--radius-sm);
  background: var(--yellow); color: var(--yellow-ink);
  display:flex; align-items:center; justify-content:center; flex: none;
  font-family: var(--font-mono); font-weight:700; font-size:.8rem;
}
.info-list .lbl{ font-family: var(--font-mono); font-size:.72rem; text-transform:uppercase; letter-spacing:.08em; color:var(--muted); display:block; margin-bottom:2px; }
.info-list .val{ font-weight:600; }
.info-list .val a{ text-decoration:none; }

/* Formulário */
.form-card{
  background: var(--paper-2);
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow-1);
}
.field{ margin-bottom: 16px; }
.field label{ display:block; font-weight:600; font-size:.92rem; margin-bottom:6px; }
.field .hint{ font-size:.82rem; color: var(--muted); margin-top:4px; }
.field input[type=text], .field input[type=tel], .field input[type=email], .field textarea{
  width:100%;
  font: inherit;
  padding: 12px 14px;
  border: 1.5px solid var(--line-light);
  border-radius: var(--radius-sm);
  background: var(--paper);
  color: var(--ink);
}
.field input:invalid[data-touched="true"], .field textarea:invalid[data-touched="true"]{
  border-color: #B3261E;
}
.field-error{ color:#B3261E; font-size:.82rem; margin-top:6px; display:none; }
.field-error.is-visible{ display:block; }
.checkbox-field{ display:flex; gap:10px; align-items:flex-start; }
.checkbox-field input{ margin-top:4px; }
.checkbox-field label{ font-weight:400; font-size:.88rem; color: var(--muted); }
.form-status{ margin-top:14px; font-size:.9rem; padding:12px 14px; border-radius: var(--radius-sm); display:none; }
.form-status.is-visible{ display:block; }
.form-status.ok{ background: rgba(46,125,79,.1); color: var(--ok-green); display:block; }
.form-status.err{ background: rgba(179,38,30,.08); color:#B3261E; display:block; }

/* ===================== FAQ ===================== */
.faq{ max-width: 800px; }
.faq details{
  border-bottom: 1px solid var(--line-light);
  padding: 16px 0;
}
.faq summary{
  cursor:pointer;
  font-weight:700;
  list-style: none;
  display:flex; align-items:center; justify-content:space-between; gap:16px;
}
.faq summary::-webkit-details-marker{ display:none; }
.faq summary::after{
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.4rem; line-height:1;
  color: var(--blue-dark); flex:none;
}
.faq details[open] summary::after{ content: "–"; }
.faq details p{ margin: 12px 0 0; color: var(--muted); }

/* ===================== Avaliação neutra sem invenção ===================== */
.notice-box{
  border: 1.5px dashed var(--line-light);
  border-radius: var(--radius);
  padding: 18px 20px;
  color: var(--muted);
  font-size: .92rem;
  background: rgba(0,0,0,.02);
}

/* ===================== CTA final ===================== */
.cta-band{
  background: var(--yellow);
  color: var(--yellow-ink);
  padding: 44px 0;
}
.cta-band .container{ display:flex; flex-wrap:wrap; gap:20px; align-items:center; justify-content:space-between; }
.cta-band h2{ color: var(--yellow-ink); margin:0; font-size: clamp(1.3rem,2.6vw,1.9rem); }
.cta-band p{ color: var(--yellow-ink); margin:4px 0 0; opacity:.85; }

/* ===================== Rodapé ===================== */
.site-footer{
  background: var(--ink);
  color: var(--muted-on-dark);
  padding: 44px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 30px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--line-dark);
}
@media (max-width: 760px){ .footer-grid{ grid-template-columns: 1fr; } }
.footer-grid h4{ color: var(--paper-2); font-family: var(--font-body); text-transform:none; font-size:.95rem; margin-bottom:12px; }
.footer-grid ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:8px; }
.footer-grid a{ color: var(--muted-on-dark); text-decoration:none; font-size:.92rem; }
.footer-grid a:hover{ color: var(--yellow); }
.footer-bottom{
  display:flex; flex-wrap:wrap; justify-content:space-between; gap:10px;
  padding-top: 20px; font-size:.82rem; color: var(--muted-on-dark);
}

/* ===================== Utilidades ===================== */
.visually-hidden{
  position:absolute !important; width:1px; height:1px; margin:-1px; padding:0;
  overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0;
}
.mt-0{ margin-top:0; }
.center{ text-align:center; }
.page-hero{
  background: var(--asphalt-1); color: var(--paper-2);
  padding: 52px 0 46px;
}
.page-hero h1{ color: var(--paper-2); margin-bottom:.3em; }
.page-hero p{ color: var(--muted-on-dark); max-width: 60ch; margin:0; }
.breadcrumbs{ font-family: var(--font-mono); font-size:.78rem; color: var(--muted-on-dark); margin-bottom:14px; }
.breadcrumbs a{ color: var(--muted-on-dark); }
.breadcrumbs a:hover{ color: var(--yellow); }