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

:root {
  --white:      #FFFFFF;
  --off-white:  #F4F4F4;
  --light-gray: #EFEFEF;
  --mid-gray:   #999999;
  --grafite:    #1E1E1E;
  --dark:       #1E1E1E;
  --transition: 0.3s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Montserrat', sans-serif;
  background: var(--white);
  color: var(--grafite);
  font-size: 15px;
  line-height: 1.7;
}

h1, h2, h3, h4 { font-family: 'Cormorant SC', serif; line-height: 1.2; }

/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: var(--grafite);
  padding: 0 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo img { height: 44px; }

.nav-back {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: color var(--transition);
}

.nav-back:hover { color: var(--white); }

/* ── HERO ── */
.area-hero {
  background: var(--white);
  border-bottom: 1px solid var(--light-gray);
  padding: 140px 5% 80px;
  text-align: center;
}

.area-eyebrow {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mid-gray);
  margin-bottom: 1.2rem;
}

.area-hero h1 {
  font-size: clamp(2.2rem, 5vw, 4rem);
  color: var(--dark);
  font-weight: 600;
  margin-bottom: 1.2rem;
}

.area-hero p {
  color: #666;
  max-width: 580px;
  margin: 0 auto;
  font-weight: 300;
  font-size: 0.95rem;
}

/* ── INTRO ── */
.area-intro { padding: 80px 5%; }

.content-block { max-width: 760px; margin: 0 auto; }
.content-block-wide { max-width: 1000px; margin: 0 auto; }

.intro-lead {
  font-family: 'Cormorant SC', serif;
  font-size: clamp(1.2rem, 2.5vw, 1.7rem);
  color: var(--dark);
  margin-bottom: 1.5rem;
  font-weight: 500;
  line-height: 1.4;
}

.block-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mid-gray);
  margin-bottom: 1rem;
}

.block-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  color: var(--dark);
  margin-bottom: 2rem;
  font-weight: 600;
}

.block-text {
  color: #555;
  font-weight: 300;
  margin-bottom: 1.2rem;
}

/* ── SERVICES ── */
.area-services { padding: 80px 5%; }
.area-alt { background: var(--white); border-top: 1px solid var(--light-gray); border-bottom: 1px solid var(--light-gray); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1px;
  background: var(--light-gray);
  border: 1px solid var(--light-gray);
  border-radius: 2px;
  overflow: hidden;
}

.service-card {
  background: var(--white);
  padding: 2rem;
  transition: background var(--transition);
}

.service-card:hover { background: var(--light-gray); }

.service-card h3 {
  font-size: 1rem;
  color: var(--dark);
  margin-bottom: 0.6rem;
  font-weight: 600;
  border-bottom: 1px solid var(--light-gray);
  padding-bottom: 0.6rem;
}

.service-card p {
  font-size: 0.83rem;
  color: #666;
  font-weight: 300;
  line-height: 1.6;
}

/* Card de destaque: span full width, conteúdo centralizado */
.destaque-service {
  border-top: 2px solid var(--dark);
  grid-column: 1 / -1;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2.5rem;
}

.destaque-service h3 {
  max-width: 560px;
  border-bottom: none;
  font-size: 1.15rem;
  margin-bottom: 0.8rem;
}

.destaque-service p {
  max-width: 560px;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--dark);
  text-decoration: none;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 1rem;
  transition: gap var(--transition);
}

.service-link:hover { gap: 0.7rem; }

/* ── ARTIGOS DA ÁREA ── */
.area-artigos {
  padding: 80px 5%;
  background: var(--white);
  border-top: 1px solid var(--light-gray);
}

.artigos-area-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.artigo-card {
  background: var(--white);
  border: 1px solid var(--light-gray);
  border-top: 2px solid var(--grafite);
  border-radius: 2px;
  padding: 2rem;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  transition: box-shadow var(--transition), transform var(--transition);
}

.artigo-card:hover {
  box-shadow: 0 6px 24px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}

.artigo-area-tag {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--mid-gray);
}

.artigo-card h3 {
  font-size: 1.05rem;
  color: var(--dark);
  font-weight: 600;
  line-height: 1.35;
}

.artigo-card p {
  font-size: 0.83rem;
  color: #666;
  font-weight: 300;
  line-height: 1.6;
  flex: 1;
}

.artigo-link {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--grafite);
  margin-top: 0.4rem;
  transition: letter-spacing var(--transition);
}

.artigo-card:hover .artigo-link { letter-spacing: 0.12em; }

/* ── CTA ── */
.area-cta {
  padding: 100px 5%;
  background: var(--white);
  border-top: 1px solid var(--light-gray);
  text-align: center;
}

.area-cta h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  color: var(--dark);
  margin-bottom: 1rem;
  font-weight: 600;
}

.area-cta p {
  color: #777;
  max-width: 460px;
  margin: 0 auto 2.5rem;
  font-weight: 300;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2.2rem;
  border-radius: 2px;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
}

.btn-dark { background: var(--dark); color: var(--white); }
.btn-dark:hover { background: var(--grafite); transform: translateY(-1px); }

/* ── FOOTER ── */
footer {
  background: var(--white);
  border-top: 1px solid var(--light-gray);
  padding: 3rem 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

footer img { height: 36px; opacity: 0.7; }
.footer-info { font-size: 0.75rem; color: #aaa; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 0.6rem; }
.footer-oab  { font-size: 0.75rem; color: #aaa; text-align: right; }
.footer-social { display: flex; gap: 0.75rem; }
.footer-social a { color: #bbb; transition: color var(--transition); }
.footer-social a:hover { color: var(--grafite); }

/* ── WHATSAPP FLOAT ── */
.whatsapp-float {
  position: fixed;
  bottom: 2rem; right: 2rem;
  z-index: 200;
  width: 52px; height: 52px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
  text-decoration: none;
  transition: transform var(--transition);
}

.whatsapp-float:hover { transform: scale(1.08); }
.whatsapp-float svg { width: 26px; height: 26px; }

@media (max-width: 768px) {
  footer { flex-direction: column; text-align: center; }
  .footer-oab { text-align: center; }
  .destaque-service { grid-column: auto; }
}