/* ============================================
   ATENDIMENTO — TOKENS
   ============================================ */
:root{
  --preto: #0A0A0A;
  --preto-alt: #151515;
  --branco: #FFFFFF;
  --vermelho: #E4032E;
  --vermelho-escuro: #B80226;
  --linha-dark: rgba(255,255,255,0.14);
  --linha-light: rgba(10,10,10,0.12);

  --display: 'Archivo Black', 'Arial Black', sans-serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --container: 1080px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin: 0;
  background: var(--preto);
  color: var(--branco);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
ul{ margin: 0; padding: 0; list-style: none; }

.container{ max-width: var(--container); margin: 0 auto; padding: 0 28px; }

h1, h2{
  font-family: var(--display);
  font-weight: 400;
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0 0 20px;
}
h2{ font-size: clamp(1.7rem, 3.2vw, 2.3rem); }
h3{ font-family: var(--sans); font-weight: 700; font-size: 1.05rem; margin: 0 0 10px; }

p{ margin: 0 0 16px; max-width: 64ch; }
.section-intro{ max-width: 68ch; font-size: 1.05rem; }

.eyebrow{
  font-family: var(--display);
  font-size: 1rem;
  color: var(--vermelho);
  margin: 0 0 14px;
}

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

/* ============================================
   HEADER
   ============================================ */
.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--linha-dark);
}
.header-inner{ display: flex; align-items: center; justify-content: space-between; padding: 16px 0; }
.brand{ display: flex; flex-direction: column; gap: 2px; }
.brand-name{ font-family: var(--sans); font-size: 1.05rem; font-weight: 700; }
.brand-tag{ font-size: 0.78rem; color: rgba(255,255,255,0.6); }
.header-cta{
  border: 1px solid var(--vermelho);
  color: var(--branco);
  padding: 9px 18px;
  border-radius: 2px;
  font-size: 0.88rem;
  font-weight: 600;
  white-space: nowrap;
  transition: background 0.2s ease;
}
.header-cta:hover{ background: var(--vermelho); }

/* ============================================
   BOTÕES
   ============================================ */
.btn{
  display: inline-block;
  padding: 16px 32px;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 0.98rem;
  border-radius: 2px;
  transition: transform 0.15s ease, background 0.2s ease;
}
.btn:hover{ transform: translateY(-1px); }
.btn-primary{ background: var(--vermelho); color: var(--branco); }
.btn-primary:hover{ background: var(--vermelho-escuro); }

/* ============================================
   DOBRA base
   ============================================ */
.dobra{ padding: 88px 0; }
.dobra.dark{ background: var(--preto); color: var(--branco); }
.dobra.light{ background: var(--branco); color: var(--preto); }
.dobra.light p{ color: rgba(10,10,10,0.72); }
.dobra.light .eyebrow{ color: var(--vermelho); }

/* ============================================
   DOBRA 01 — HERO
   ============================================ */
.hero{ padding: 120px 0 100px; }
.hero h1{ font-size: clamp(2.2rem, 5vw, 3.6rem); max-width: 15ch; }
.hero h1 .accent{ color: var(--vermelho); }
.hero-sub{ font-size: 1.2rem; color: rgba(255,255,255,0.72); max-width: 46ch; margin-bottom: 36px; }

/* ============================================
   DOBRA 02 — PILARES
   ============================================ */
.pillars{
  margin-top: 44px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--linha-light);
  border: 1px solid var(--linha-light);
}
.pillar{ background: var(--branco); padding: 32px 26px; }
.pillar-letter{
  display: block;
  font-family: var(--display);
  font-size: 2.4rem;
  color: var(--vermelho);
  margin-bottom: 14px;
}
.pillar p{ font-size: 0.94rem; margin-bottom: 0; color: rgba(10,10,10,0.7); }

.format-links{
  margin-top: 36px;
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}
.format-link{
  font-weight: 700;
  font-size: 0.95rem;
  border-bottom: 2px solid var(--vermelho);
  padding-bottom: 4px;
}

/* ============================================
   COMPARAÇÃO É / NÃO É
   ============================================ */
.compare-grid{
  margin-top: 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.compare-title{ font-family: var(--display); font-size: 1.1rem; margin-bottom: 18px; }
.compare-title.good{ color: var(--branco); }
.compare-title.bad{ color: var(--vermelho); }
.dobra.light .compare-title.good{ color: var(--preto); }

.compare-list{ display: flex; flex-direction: column; gap: 14px; }
.compare-list li{
  position: relative;
  padding-left: 28px;
  font-size: 0.96rem;
}
.compare-list.good li{ color: rgba(255,255,255,0.82); }
.dobra.light .compare-list.good li{ color: rgba(10,10,10,0.78); }
.compare-list.good li::before{
  content: "✓";
  position: absolute; left: 0; top: 0;
  color: var(--branco);
  font-weight: 700;
}
.dobra.light .compare-list.good li::before{ color: var(--preto); }
.compare-list.bad li{ color: rgba(255,255,255,0.6); }
.dobra.light .compare-list.bad li{ color: rgba(10,10,10,0.62); }
.compare-list.bad li::before{
  content: "✕";
  position: absolute; left: 0; top: 0;
  color: var(--vermelho);
  font-weight: 700;
}

.callout{
  margin-top: 20px;
  border: 1px solid var(--vermelho);
  padding: 16px 18px;
  font-size: 0.9rem;
  color: rgba(10,10,10,0.75);
}

/* ============================================
   PROCESSO
   ============================================ */
.process-title{
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--linha-dark);
  font-family: var(--display);
  font-size: 1.05rem;
}
.dobra.light .process-title{ border-top-color: var(--linha-light); }

.process-list{ margin-bottom: 36px; display: flex; flex-direction: column; gap: 10px; }
.process-list li{
  position: relative;
  padding-left: 22px;
  font-size: 0.95rem;
}
.dobra.dark .process-list li{ color: rgba(255,255,255,0.78); }
.dobra.light .process-list li{ color: rgba(10,10,10,0.75); }
.process-list li::before{
  content: "—";
  position: absolute; left: 0; top: 0;
  color: var(--vermelho);
}

/* ============================================
   DOBRA 05 — SOBRE
   ============================================ */
.about-grid{
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 56px;
  align-items: start;
}
.about-photo{ border: 1px solid var(--vermelho); padding: 10px; }
.about-photo img{ width: 100%; height: auto; filter: grayscale(1) contrast(1.08); }
.about-copy p{ color: rgba(255,255,255,0.75); }

/* ============================================
   FOOTER
   ============================================ */
.site-footer{ padding: 32px 0; background: var(--preto); border-top: 1px solid var(--linha-dark); }
.footer-inner{
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.84rem;
  color: rgba(255,255,255,0.6);
}
.footer-inner a:hover{ color: var(--vermelho); }

/* ============================================
   RESPONSIVO
   ============================================ */
@media (max-width: 860px){
  .pillars{ grid-template-columns: 1fr; }
  .compare-grid{ grid-template-columns: 1fr; gap: 28px; }
  .about-grid{ grid-template-columns: 1fr; gap: 28px; }
  .about-photo{ max-width: 300px; }
}

@media (max-width: 680px){
  .dobra{ padding: 60px 0; }
  .hero{ padding: 84px 0 60px; }
  .header-cta{ padding: 8px 14px; font-size: 0.8rem; }
  .format-links{ gap: 18px; flex-direction: column; }
}