/* =========================================================
   Assistência Técnica Pai e Filho — Design System
   Direção: "prancheta de oficina" — papel técnico claro +
   painel azul-petróleo estilo diagrama, acento cobre (solda/
   resistência). Space Grotesk para títulos, IBM Plex Sans
   para leitura.
   ========================================================= */

:root{
  --bg:        #F1EEE4;
  --bg-soft:   #E8E4D6;
  --paper:     #FBFAF5;
  --ink:       #181F1C;
  --ink-soft:  #4C564E;
  --teal:      #14433C;
  --teal-dark: #0B2723;
  --teal-line: rgba(251,250,245,0.16);
  --copper:    #C1652F;
  --copper-dark:#9A4E22;
  --line:      #CFCABA;
  --line-soft: #DEDACB;
  --success:   #4B6A4F;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;

  --maxw: 1180px;
  --radius: 4px;
  --shadow: 0 1px 0 rgba(24,31,28,0.06);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; }
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:600;
  line-height:1.12;
  margin:0 0 .5em;
  letter-spacing:-0.01em;
}
p{ margin:0 0 1em; max-width:64ch; }
ul{ margin:0; padding:0; list-style:none; }
.container{ max-width:var(--maxw); margin:0 auto; padding:0 24px; }

:focus-visible{
  outline:2px solid var(--copper);
  outline-offset:3px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; scroll-behavior:auto !important; }
}

/* ---------- Skip link ---------- */
.skip-link{
  position:absolute; left:-999px; top:auto;
  background:var(--teal); color:var(--paper);
  padding:10px 16px; z-index:200; border-radius:0 0 4px 0;
}
.skip-link:focus{ left:0; top:0; }

/* ---------- Top strip ---------- */
.top-strip{
  background:var(--teal-dark);
  color:var(--paper);
  font-size:13.5px;
}
.top-strip .container{
  display:flex; justify-content:space-between; align-items:center;
  padding-top:8px; padding-bottom:8px; gap:16px; flex-wrap:wrap;
}
.top-strip a{ text-decoration:none; }
.top-strip .ts-contact{ display:flex; gap:18px; flex-wrap:wrap; }
.top-strip .ts-contact a:hover{ color:var(--copper); }
.top-strip .ts-badge{ color:#BFD3CC; }

/* ---------- Header / Nav ---------- */
.site-header{
  background:var(--paper);
  border-bottom:1px solid var(--line);
  position:sticky; top:0; z-index:100;
}
.nav-wrap{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
  gap:20px;
}
.brand{
  display:flex; align-items:center; gap:10px;
  text-decoration:none;
  color:var(--teal);
}
.brand-mark{
  width:40px; height:40px; flex:none;
}
.brand-text{
  font-family:var(--font-display);
  font-weight:600;
  font-size:19px;
  line-height:1.1;
  color:var(--ink);
}
.brand-text small{
  display:block;
  font-family:var(--font-body);
  font-weight:400;
  font-size:12.5px;
  color:var(--ink-soft);
  letter-spacing:.02em;
}
.main-nav ul{ display:flex; gap:28px; align-items:center; }
.nav-cta{ display:none; }
.main-nav a{
  text-decoration:none;
  font-size:15px;
  color:var(--ink-soft);
  padding:6px 2px;
  border-bottom:2px solid transparent;
}
.main-nav a:hover,
.main-nav a[aria-current="page"]{
  color:var(--teal);
  border-bottom-color:var(--copper);
}
.header-cta{ display:flex; align-items:center; gap:12px; }
.nav-toggle{
  display:none;
  background:none; border:1px solid var(--line); border-radius:var(--radius);
  padding:8px 10px; cursor:pointer;
}
.nav-toggle svg{ width:22px; height:22px; display:block; }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-family:var(--font-body); font-weight:600; font-size:15px;
  padding:12px 22px;
  border-radius:var(--radius);
  text-decoration:none;
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color .15s ease, border-color .15s ease, color .15s ease;
}
.btn-primary{
  background:var(--copper); color:var(--paper);
}
.btn-primary:hover{ background:var(--copper-dark); }
.btn-ghost{
  background:transparent; color:var(--paper); border-color:var(--teal-line);
}
.btn-ghost:hover{ border-color:var(--paper); }
.btn-outline{
  background:transparent; color:var(--teal); border-color:var(--teal);
}
.btn-outline:hover{ background:var(--teal); color:var(--paper); }
.btn-sm{ padding:9px 16px; font-size:14px; }
.btn-block{ width:100%; }

/* ---------- Hero (blueprint panel) ---------- */
.hero{
  background:
    linear-gradient(var(--teal-dark), var(--teal-dark)),
    repeating-linear-gradient(0deg, var(--teal-line) 0 1px, transparent 1px 48px),
    repeating-linear-gradient(90deg, var(--teal-line) 0 1px, transparent 1px 48px);
  color:var(--paper);
  overflow:hidden;
  position:relative;
}
.hero .container{
  display:grid;
  grid-template-columns:1.05fr 0.95fr;
  gap:48px;
  align-items:center;
  padding-top:32px;
  padding-bottom:48px;
}
.hero-eyebrow{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  column-gap:.4em;
  row-gap:4px;
  font-family:var(--font-display);
  font-weight:600;
  font-size:clamp(20px, 2.7vw, 28px);
  line-height:1.2;
  color:#DFAE85;
  margin-bottom:18px;
}
.hero h1{
  font-size:clamp(32px, 4.4vw, 50px);
  color:var(--paper);
  max-width:14ch;
}
.hero-lede{
  color:#D8E3DE;
  font-size:18px;
  max-width:46ch;
}
.hero-actions{
  display:flex; gap:14px; flex-wrap:wrap; margin:26px 0 30px;
}
.hero-badges{
  display:flex; flex-wrap:wrap; gap:10px 22px;
  padding-top:22px;
  border-top:1px solid var(--teal-line);
}
.hero-badge{
  display:flex; align-items:center; gap:8px;
  font-size:14px; color:#CFE0D9;
}
.hero-badge svg{ width:18px; height:18px; flex:none; color:var(--copper); }
.hero-art{ position:relative; width:100%; max-width:340px; justify-self:center; }
.hero-art-inner{
  position:relative;
  width:100%;
  aspect-ratio:260 / 380;
}
.appliance-layer{
  position:absolute; inset:0;
  width:100%; height:100%;
  opacity:0;
  transition:opacity .6s ease;
}
.appliance-layer.is-active{ opacity:1; }

/* ---------- Sections ---------- */
section{ padding:72px 0; }
.section-tight{ padding:48px 0; }
.section-alt{ background:var(--bg-soft); }
.section-paper{ background:var(--paper); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.section-head{
  max-width:60ch;
  margin-bottom:40px;
}
.section-head .kicker{
  color:var(--copper-dark);
  font-weight:600;
  font-size:13.5px;
  margin-bottom:8px;
}
.section-head h2{ font-size:clamp(26px, 3vw, 34px); color:var(--teal); }
.section-head p{ color:var(--ink-soft); font-size:17px; }

/* ---------- Services grid ---------- */
.grid-services{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}
.service-card{
  background:var(--paper);
  padding:28px 24px;
  text-decoration:none;
  color:var(--ink);
  display:flex; flex-direction:column; gap:14px;
}
.service-card:hover{ background:var(--bg); }
.service-card .icon{
  width:44px; height:44px; color:var(--teal);
}
.service-card h3{ font-size:17px; color:var(--ink); }
.service-card p{ font-size:14.5px; color:var(--ink-soft); margin:0; }
.service-card .go{
  margin-top:auto; font-size:13.5px; font-weight:600; color:var(--copper-dark);
}

/* ---------- Process (legítimo: é uma sequência) ---------- */
.process{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:28px;
}
.process-step{ position:relative; padding-left:0; }
.process-step .num{
  font-family:var(--font-display);
  font-size:14px;
  color:var(--copper-dark);
  border:1px solid var(--copper);
  width:30px; height:30px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  margin-bottom:14px;
}
.process-step h3{ font-size:16.5px; margin-bottom:6px; }
.process-step p{ font-size:14.5px; color:var(--ink-soft); margin:0; }

/* ---------- Trust / why ---------- */
.trust-wrap{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.trust-list{ display:flex; flex-direction:column; gap:20px; margin-top:24px; }
.trust-item{ display:flex; gap:14px; }
.trust-item svg{ width:22px; height:22px; color:var(--copper); flex:none; margin-top:2px; }
.trust-item h3{ font-size:16px; margin-bottom:4px; }
.trust-item p{ font-size:14.5px; color:var(--ink-soft); margin:0; }
.trust-figure{
  background:var(--teal-dark);
  border-radius:var(--radius);
  padding:36px;
  color:var(--paper);
}
.trust-figure .big{
  font-family:var(--font-display);
  font-size:56px;
  color:var(--copper);
  line-height:1;
}
.trust-figure .cap{ font-size:14.5px; color:#CFE0D9; margin-top:8px; }
.trust-figure hr{ border:none; border-top:1px solid var(--teal-line); margin:26px 0; }

/* ---------- Brands ---------- */
.brand-strip{
  display:flex; flex-wrap:wrap; gap:12px;
}
.brand-chip{
  border:1px solid var(--line);
  background:var(--paper);
  padding:9px 16px;
  font-size:14.5px;
  color:var(--ink-soft);
  border-radius:2px;
}

/* ---------- Testimonials ---------- */
.testi-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:24px;
}
.testi-card{
  background:var(--paper);
  border:1px solid var(--line);
  padding:26px;
  display:flex; flex-direction:column; gap:16px;
}
.testi-card p{ font-size:15.5px; color:var(--ink); margin:0; }
.testi-stars{
  color:var(--copper);
  font-size:26px;
  letter-spacing:4px;
  line-height:1;
  text-shadow:0 1px 0 rgba(193,101,47,0.15);
}
.testi-person{
  display:flex; align-items:center; gap:12px;
  margin-top:auto; padding-top:6px;
  border-top:1px solid var(--line-soft);
}
.testi-avatar{ width:46px; height:46px; flex:none; border-radius:50%; }
.testi-name{ font-size:14.5px; color:var(--ink); font-weight:600; }
.testi-loc{ font-size:12.5px; color:var(--ink-soft); }

/* ---------- FAQ ---------- */
.faq{ max-width:820px; }
.faq-item{
  border-bottom:1px solid var(--line);
}
.faq-item summary{
  cursor:pointer;
  list-style:none;
  padding:20px 0;
  font-family:var(--font-display);
  font-size:17px;
  color:var(--teal);
  display:flex; justify-content:space-between; align-items:center; gap:16px;
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary .plus{
  flex:none; width:22px; height:22px; position:relative;
}
.faq-item summary .plus::before,
.faq-item summary .plus::after{
  content:""; position:absolute; background:var(--copper);
  top:50%; left:50%; transform:translate(-50%,-50%);
}
.faq-item summary .plus::before{ width:14px; height:2px; }
.faq-item summary .plus::after{ width:2px; height:14px; }
.faq-item[open] summary .plus::after{ display:none; }
.faq-item p{ padding-bottom:20px; color:var(--ink-soft); font-size:15px; margin:0; }

/* ---------- Coverage area ---------- */
.area-wrap{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
  align-items:start;
}
.area-list{
  display:grid;
  grid-template-columns:repeat(2, 1fr);
  gap:10px 24px;
  font-size:15px;
  color:var(--ink-soft);
}
.area-list li{ padding:8px 0; border-bottom:1px dashed var(--line-soft); }
.area-map{
  width:100%;
  height:320px;
  border:1px solid var(--line);
  border-radius:var(--radius);
}

/* ---------- Rotating word (hero) ---------- */
.rotator{
  position:relative;
  display:inline-block;
  min-width:10.5em;
  height:1.2em;
  overflow:hidden;
  color:var(--copper);
  text-align:left;
}
.rotator-word{
  position:absolute;
  left:0; top:0;
  white-space:nowrap;
  opacity:0;
  transform:translateY(65%);
  transition:transform .5s cubic-bezier(.4,0,.2,1), opacity .4s ease;
}
.rotator-word.is-active{
  opacity:1;
  transform:translateY(0);
}
.rotator-word.is-leaving{
  opacity:0;
  transform:translateY(-65%);
}
.sr-only{
  position:absolute; width:1px; height:1px;
  padding:0; margin:-1px; overflow:hidden;
  clip:rect(0,0,0,0); white-space:nowrap; border:0;
}

/* ---------- Ad slots ---------- */
.ad-slot{
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 24px;
}
.ad-slot .ad-inner{
  border:1px dashed var(--line);
  background:var(--bg-soft);
  color:var(--ink-soft);
  font-size:12.5px;
  text-align:center;
  padding:14px;
  min-height:90px;
  display:flex; align-items:center; justify-content:center;
}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--teal);
  color:var(--paper);
}
.cta-band .container{
  display:flex; justify-content:space-between; align-items:center;
  gap:24px; flex-wrap:wrap;
}
.cta-band h2{ color:var(--paper); font-size:26px; margin-bottom:6px; }
.cta-band p{ color:#CFE0D9; margin:0; }

/* ---------- Footer ---------- */
.site-footer{
  background:var(--teal-dark);
  color:#BFD3CC;
  font-size:14.5px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:32px;
  padding:56px 0 36px;
}
.footer-grid h4{
  color:var(--paper); font-family:var(--font-body); font-weight:600;
  font-size:14px; letter-spacing:.02em; margin-bottom:14px;
}
.footer-grid ul{ display:flex; flex-direction:column; gap:10px; }
.footer-grid a{ text-decoration:none; color:#BFD3CC; }
.footer-grid a:hover{ color:var(--paper); }
.footer-brand p{ color:#9FB6AE; font-size:14px; }
.footer-bottom{
  border-top:1px solid var(--teal-line);
  padding:20px 0;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px;
  font-size:13px; color:#8FA8A0;
}
.footer-bottom a{ color:#8FA8A0; text-decoration:underline; }

/* ---------- WhatsApp float ---------- */
.wa-float{
  position:fixed; right:20px; bottom:20px; z-index:150;
  background:#1F7A5C; color:#fff;
  width:56px; height:56px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 4px 14px rgba(11,39,35,0.3);
  text-decoration:none;
  animation:wa-bounce 2.6s ease-in-out infinite;
}
.wa-float::before{
  content:"";
  position:absolute; inset:0;
  border-radius:50%;
  background:#1F7A5C;
  animation:wa-ring 2.6s cubic-bezier(.4,0,.6,1) infinite;
}
.wa-float svg{ width:28px; height:28px; position:relative; }
@keyframes wa-ring{
  0%{ transform:scale(1); opacity:.55; }
  70%{ transform:scale(1.9); opacity:0; }
  100%{ transform:scale(1.9); opacity:0; }
}
@keyframes wa-bounce{
  0%, 78%, 100%{ transform:translateY(0); }
  84%{ transform:translateY(-6px); }
  90%{ transform:translateY(0); }
  94%{ transform:translateY(-3px); }
}

/* ---------- Cookie banner ---------- */
.cookie-bar{
  position:fixed; left:0; right:0; bottom:0; z-index:200;
  background:var(--teal-dark); color:#DCE9E4;
  padding:16px 24px;
  display:none;
}
.cookie-bar.show{ display:flex; }
.cookie-bar .container{
  display:flex; align-items:center; justify-content:space-between; gap:20px; flex-wrap:wrap;
}
.cookie-bar p{ margin:0; font-size:13.5px; max-width:70ch; }
.cookie-bar a{ color:var(--copper); }

/* ---------- Inner page header (page title band) ---------- */
.page-head{
  background:var(--teal-dark);
  color:var(--paper);
  padding:44px 0 40px;
}
.page-head .breadcrumb{
  font-size:13.5px; color:#9FB6AE; margin-bottom:10px;
}
.page-head .breadcrumb a{ color:#9FB6AE; text-decoration:none; }
.page-head .breadcrumb a:hover{ color:var(--paper); }
.page-head h1{ color:var(--paper); font-size:clamp(28px,3.6vw,38px); max-width:22ch; }
.page-head p{ color:#D8E3DE; font-size:16.5px; max-width:60ch; margin:0; }

/* ---------- Service detail blocks ---------- */
.svc-block{
  display:grid;
  grid-template-columns:64px 1fr;
  gap:20px;
  padding:36px 0;
  border-bottom:1px solid var(--line);
}
.svc-block:last-child{ border-bottom:none; }
.svc-block .icon{ width:52px; height:52px; color:var(--teal); }
.svc-block h2{ font-size:22px; color:var(--teal); margin-bottom:8px; }
.svc-block p{ color:var(--ink-soft); font-size:15.5px; }
.svc-block ul{ margin-top:10px; display:flex; flex-wrap:wrap; gap:8px; }
.svc-block ul li{
  font-size:13.5px; color:var(--ink-soft);
  border:1px solid var(--line); padding:6px 12px; border-radius:2px;
}

/* ---------- Contact page ---------- */
.contact-wrap{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
}
.field{ margin-bottom:18px; }
.field label{ display:block; font-size:14px; font-weight:600; color:var(--ink); margin-bottom:6px; }
.field input,
.field select,
.field textarea{
  width:100%; font-family:var(--font-body); font-size:15px;
  padding:11px 12px; border:1px solid var(--line); border-radius:var(--radius);
  background:var(--paper); color:var(--ink);
}
.field textarea{ resize:vertical; min-height:110px; }
.field input:focus, .field select:focus, .field textarea:focus{
  outline:2px solid var(--teal); outline-offset:1px; border-color:var(--teal);
}
.info-card{
  background:var(--paper); border:1px solid var(--line); padding:26px; margin-bottom:18px;
}
.info-card h3{ font-size:15.5px; color:var(--teal); margin-bottom:8px; }
.info-card p{ margin:0; font-size:14.5px; color:var(--ink-soft); }
.map-frame{
  border:1px solid var(--line); width:100%; height:280px;
}

/* ---------- Blog ---------- */
.article-grid{
  display:grid; grid-template-columns:repeat(3,1fr); gap:28px;
}
.article-card{ background:var(--paper); border:1px solid var(--line); }
.article-card .tag{
  display:inline-block; margin:22px 24px 10px; font-size:12.5px; color:var(--copper-dark); font-weight:600;
}
.article-card h3{ font-size:18px; margin:0 24px 10px; color:var(--teal); }
.article-card p{ margin:0 24px 22px; font-size:14.5px; color:var(--ink-soft); }
.article-body{ max-width:70ch; }
.article-body h2{ color:var(--teal); font-size:22px; margin-top:1.6em; }
.article-body p, .article-body li{ color:var(--ink-soft); font-size:16px; }
.article-body ul{ margin:0 0 1em 1.1em; list-style:disc; }

/* ---------- Responsive ---------- */
@media (max-width: 980px){
  .hero .container{ grid-template-columns:1fr; padding-top:40px; }
  .hero-art{ order:-1; max-width:280px; margin:0 auto; }
  .grid-services{ grid-template-columns:repeat(2,1fr); }
  .process{ grid-template-columns:repeat(2,1fr); }
  .trust-wrap{ grid-template-columns:1fr; }
  .testi-grid{ grid-template-columns:1fr; }
  .area-list{ grid-template-columns:repeat(2,1fr); }
  .area-wrap{ grid-template-columns:1fr; gap:24px; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .contact-wrap{ grid-template-columns:1fr; }
  .article-grid{ grid-template-columns:1fr; }
}
@media (max-width: 720px){
  .main-nav{
    position:fixed; inset:64px 0 0 0; background:var(--paper);
    transform:translateY(-110%); transition:transform .2s ease;
    padding:24px; overflow:auto; z-index:99; border-top:1px solid var(--line);
  }
  .main-nav.open{ transform:translateY(0); }
  .main-nav ul{ flex-direction:column; align-items:flex-start; gap:4px; }
  .main-nav a{ display:block; width:100%; padding:14px 4px; font-size:17px; }
  .nav-cta{
    display:flex; flex-direction:column; gap:10px;
    margin-top:20px; padding-top:20px; border-top:1px solid var(--line);
  }
  .nav-toggle{ display:inline-flex; }
  .header-cta .btn{ display:none; }
  .grid-services{ grid-template-columns:1fr; }
  .process{ grid-template-columns:1fr; }
  .brand-strip{ justify-content:flex-start; }
  .cta-band .container{ flex-direction:column; align-items:flex-start; }
  .cta-band .btn{ width:100%; }
  section{ padding:52px 0; }
  .section-tight{ padding:36px 0; }
}

/* ---------- Telas pequenas (a maioria do tráfego) ---------- */
@media (max-width: 480px){
  .container{ padding:0 16px; }
  .top-strip{ font-size:12.5px; }
  .top-strip .ts-contact{ gap:12px; }
  .top-strip .container > .ts-badge{ display:none; }
  .hero .container{ padding-top:24px; padding-bottom:32px; }
  .hero-eyebrow{ font-size:17px; margin-bottom:10px; }
  .hero h1{ font-size:clamp(22px, 6.5vw, 27px); max-width:16ch; }
  .hero-lede{ font-size:14.5px; }
  .hero-actions{ flex-direction:column; align-items:stretch; margin:18px 0 20px; }
  .hero-actions .btn{ width:100%; padding:11px 18px; font-size:14px; }
  .hero-badges{ gap:8px 14px; padding-top:16px; }
  .hero-badge{ font-size:12.5px; }
  .hero-art{ max-width:170px; }
  .rotator{ min-width:9em; }
  section{ padding:40px 0; }
  .section-head h2{ font-size:24px; }
  .section-head p{ font-size:15.5px; }
  .trust-figure{ padding:26px; }
  .trust-figure .big{ font-size:42px; }
  .testi-card{ padding:20px; }
  .area-list{ grid-template-columns:1fr 1fr; gap:6px 16px; font-size:14px; }
  .area-map{ height:220px; }
  .footer-grid{ grid-template-columns:1fr; gap:28px; padding:40px 0 28px; }
  .footer-bottom{ flex-direction:column; align-items:flex-start; gap:8px; }
  .cta-band h2{ font-size:22px; }
  .wa-float{ right:14px; bottom:14px; width:52px; height:52px; }
  .wa-float svg{ width:26px; height:26px; }
  .cookie-bar .container{ flex-direction:column; align-items:stretch; }
  .cookie-bar .btn{ width:100%; }
}