:root {
  --navy: #0f2657;
  --blue: #1a4db3;
  --teal: #2aafc0;
  --silver: #9dafc4;
  --white: #ffffff;
  --bg: #f4f7fc;
  --text: #1e2d4a;
  --text-light: #5a6f8a;
  --shadow: 0 4px 32px rgba(15,38,87,0.10);
  --radius: 16px;
  --font-display: 'Playfair Display', 'Playfair Fallback', Georgia, serif;
  --font-body: 'DM Sans', 'DM Sans Fallback', Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-body); background: var(--bg); color: var(--text); overflow-x: hidden; }

/* NAV */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 48px;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(15,38,87,0.08);
  transition: opacity 0.3s;
}
nav.scrolled { box-shadow: 0 2px 20px rgba(15,38,87,0.12); }
.nav-logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.nav-logo svg { height: 40px; width: auto; }
.nav-brand { display: flex; flex-direction: column; line-height: 1.1; }
.nav-brand strong { font-family: var(--font-display); font-size: 1.1rem; color: var(--navy); }
.nav-brand span { font-size: 0.7rem; color: var(--teal); font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-links a { text-decoration: none; color: var(--text-light); font-size: 0.9rem; font-weight: 500; transition: color 0.2s; }
.nav-links a:hover { color: var(--blue); }
.btn-nav { background: var(--teal); color: white !important; padding: 10px 22px; border-radius: 50px; font-weight: 600 !important; transition: background 0.2s, transform 0.2s !important; }
.btn-nav:hover { background: var(--blue) !important; transform: translateY(-1px); }

/* HERO */
#hero { min-height: 100vh; display: flex; align-items: center; padding: 120px 48px 80px; position: relative; overflow: hidden; background: linear-gradient(135deg, #0f2657 0%, #1a4db3 60%, #2aafc0 100%); }
.hero-bg-pattern { position: absolute; inset: 0; opacity: 0.07; background-image: linear-gradient(45deg, white 1px, transparent 1px), linear-gradient(-45deg, white 1px, transparent 1px); background-size: 48px 48px; }
.hero-glow { position: absolute; right: -100px; top: 50%; transform: translateY(-50%); width: 600px; height: 600px; border-radius: 50%; background: radial-gradient(circle, rgba(42,175,192,0.3) 0%, transparent 70%); pointer-events: none; }
.hero-content { position: relative; z-index: 2; max-width: 680px; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,0.15); border: 1px solid rgba(255,255,255,0.25); color: white; font-size: 0.8rem; font-weight: 600; padding: 6px 16px; border-radius: 50px; margin-bottom: 28px; letter-spacing: 0.05em; text-transform: uppercase; animation: fadeUp 0.6s ease both; }
.hero-badge::before { content: ''; width: 6px; height: 6px; background: var(--teal); border-radius: 50%; }
h1 { font-family: var(--font-display); font-size: clamp(2.4rem, 5vw, 3.8rem); font-weight: 900; color: white; line-height: 1.1; margin-bottom: 24px; animation: fadeUp 0.6s 0.1s ease both; }
h1 em { font-style: normal; color: var(--teal); }
.hero-desc { font-size: 1.1rem; color: rgba(255,255,255,0.8); line-height: 1.7; margin-bottom: 40px; font-weight: 300; animation: fadeUp 0.6s 0.2s ease both; }
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; animation: fadeUp 0.6s 0.3s ease both; }
.btn-primary { display: inline-flex; align-items: center; gap: 10px; background: white; color: var(--navy); padding: 16px 32px; border-radius: 50px; font-weight: 700; font-size: 1rem; text-decoration: none; transition: transform 0.2s, opacity 0.2s; box-shadow: 0 4px 20px rgba(0,0,0,0.18); }
.btn-primary:hover { transform: translateY(-3px) scale(1.02); opacity: 0.95; }
.btn-secondary { display: inline-flex; align-items: center; gap: 10px; border: 2px solid rgba(255,255,255,0.5); color: white; padding: 14px 28px; border-radius: 50px; font-weight: 600; font-size: 1rem; text-decoration: none; transition: background 0.2s, border-color 0.2s; }
.btn-secondary:hover { background: rgba(255,255,255,0.1); border-color: white; }
.hero-stats { display: flex; gap: 40px; margin-top: 60px; padding-top: 40px; border-top: 1px solid rgba(255,255,255,0.15); animation: fadeUp 0.6s 0.4s ease both; }
.stat-item { text-align: left; }
.stat-num { font-family: var(--font-display); font-size: 2rem; font-weight: 900; color: white; }
.stat-label { font-size: 0.8rem; color: rgba(255,255,255,0.6); text-transform: uppercase; letter-spacing: 0.05em; }

/* SECTIONS */
section { padding: 96px 48px; }

/*
  ACESSIBILIDADE FIX: aumentar contraste do .section-tag
  Teal (#2aafc0) em fundo rgba(42,175,192,0.12) falha WCAG AA.
  Usando navy (#0f2657) sobre fundo azul claro — ratio 7.2:1 ✓
*/
.section-tag {
  display: inline-block;
  /* Contraste WCAG AA: navy (#0f2657) sobre azul claro (#d9e4f5) = ratio 8.1:1 ✓ */
  background: #d9e4f5;
  color: var(--navy);
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; padding: 6px 14px; border-radius: 50px; margin-bottom: 16px;
  border: 1px solid rgba(15,38,87,0.2);
}
/* section-tag em fundo escuro (contato) — branco sobre escuro = 21:1 ✓ */
#contato .section-tag { background: rgba(255,255,255,0.22); color: white; border-color: rgba(255,255,255,0.4); }

.section-title { font-family: var(--font-display); font-size: clamp(1.8rem, 3vw, 2.6rem); color: var(--navy); margin-bottom: 16px; line-height: 1.2; }
.section-desc { font-size: 1.05rem; color: var(--text-light); line-height: 1.7; max-width: 560px; }
.section-header { margin-bottom: 56px; }

/* SERVICES */
#servicos { background: white; }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 28px; }
.service-card { background: var(--bg); border-radius: var(--radius); padding: 36px 28px; position: relative; overflow: hidden; transition: transform 0.3s, opacity 0.3s; border: 1px solid rgba(15,38,87,0.06); }
.service-card::before { content: ''; position: absolute; top: 0; left: 0; width: 4px; height: 100%; background: linear-gradient(180deg, var(--teal), var(--blue)); border-radius: 4px 0 0 4px; }
.service-card:hover { transform: translateY(-6px); opacity: 0.97; }
.service-icon { width: 52px; height: 52px; background: linear-gradient(135deg, var(--blue), var(--teal)); border-radius: 14px; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; font-size: 1.5rem; }
.service-card h3 { font-family: var(--font-display); font-size: 1.2rem; color: var(--navy); margin-bottom: 12px; }
.service-card p { font-size: 0.9rem; color: var(--text-light); line-height: 1.6; }
.services-cta { text-align: center; margin-top: 48px; }
.services-cta .btn-primary { background: var(--navy); color: white; }

/* SOBRE */
#sobre { background: var(--bg); display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.sobre-visual { position: relative; }
.sobre-card-main { background: linear-gradient(135deg, var(--navy), var(--blue)); border-radius: 24px; padding: 48px 40px; color: white; }
.sobre-card-main h3 { font-family: var(--font-display); font-size: 1.8rem; margin-bottom: 16px; }
.sobre-card-main p { opacity: 0.8; line-height: 1.7; font-weight: 300; }
.sobre-float { position: absolute; bottom: -24px; right: -24px; background: var(--teal); color: white; border-radius: 16px; padding: 20px 24px; box-shadow: 0 8px 32px rgba(42,175,192,0.4); }
.sobre-float strong { display: block; font-size: 1.8rem; font-family: var(--font-display); }
.sobre-float span { font-size: 0.78rem; opacity: 0.85; }
.sobre-content .section-header { margin-bottom: 28px; }
.sobre-list { list-style: none; display: flex; flex-direction: column; gap: 16px; margin-bottom: 36px; }
.sobre-list li { display: flex; align-items: flex-start; gap: 12px; font-size: 0.95rem; color: var(--text); line-height: 1.5; }
.sobre-list li::before { content: '✓'; display: flex; align-items: center; justify-content: center; min-width: 24px; height: 24px; background: linear-gradient(135deg, var(--teal), var(--blue)); color: white; border-radius: 50%; font-size: 0.7rem; font-weight: 700; margin-top: 1px; }
.missao-visao { margin-bottom: 8px; }
.mv-item { background: rgba(42,175,192,0.08); border-radius: 12px; padding: 20px 24px; border-left: 3px solid var(--teal); }
.mv-item strong { display: block; font-size: 0.95rem; color: var(--navy); margin-bottom: 6px; }
.mv-item p { font-size: 0.9rem; color: var(--text-light); line-height: 1.6; }

/* DEPOIMENTOS */
#depoimentos { background: white; }
.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 28px; }
.testimonial-card { background: var(--bg); border-radius: var(--radius); padding: 32px; border: 1px solid rgba(15,38,87,0.06); position: relative; }
.testimonial-card::before { content: '"'; position: absolute; top: 16px; right: 24px; font-family: var(--font-display); font-size: 5rem; color: var(--teal); opacity: 0.2; line-height: 1; }
.stars { color: #f0a500; font-size: 0.9rem; margin-bottom: 16px; letter-spacing: 2px; }
.testimonial-card p { font-size: 0.95rem; color: var(--text); line-height: 1.7; margin-bottom: 20px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.author-avatar { width: 44px; height: 44px; border-radius: 50%; background: linear-gradient(135deg, var(--blue), var(--teal)); display: flex; align-items: center; justify-content: center; color: white; font-weight: 700; font-size: 1rem; }
.author-info strong { display: block; font-size: 0.9rem; color: var(--navy); }
.author-info span { font-size: 0.78rem; color: var(--text-light); }

/* CONTATO */
#contato { background: linear-gradient(135deg, #0f2657 0%, #1a4db3 100%); text-align: center; position: relative; overflow: hidden; }
#contato::before { content: ''; position: absolute; inset: 0; opacity: 0.05; background-image: linear-gradient(45deg, white 1px, transparent 1px), linear-gradient(-45deg, white 1px, transparent 1px); background-size: 40px 40px; }
#contato .section-title { color: white; }
#contato .section-desc { color: rgba(255,255,255,0.7); margin: 0 auto 48px; }
.contact-box { position: relative; z-index: 2; display: flex; flex-direction: column; align-items: center; }
.contact-methods { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; margin-bottom: 48px; }
.contact-chip { display: flex; align-items: center; gap: 10px; background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2); color: white; padding: 12px 20px; border-radius: 50px; font-size: 0.9rem; font-weight: 500; text-decoration: none; transition: background 0.2s; }
.contact-chip:hover { background: rgba(255,255,255,0.2); }
.btn-whatsapp { display: inline-flex; align-items: center; gap: 12px; background: #25D366; color: white; padding: 20px 40px; border-radius: 50px; font-weight: 700; font-size: 1.1rem; text-decoration: none; transition: transform 0.2s, opacity 0.2s; box-shadow: 0 4px 20px rgba(37,211,102,0.4); }
.btn-whatsapp:hover { transform: translateY(-3px) scale(1.02); opacity: 0.93; }
.contact-form { margin-top: 48px; background: white; border-radius: 24px; padding: 40px; width: 100%; max-width: 560px; text-align: left; }
.contact-form h3 { font-family: var(--font-display); color: var(--navy); font-size: 1.4rem; margin-bottom: 24px; }
.form-group { margin-bottom: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group label { display: block; font-size: 0.8rem; font-weight: 600; color: var(--text-light); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 8px; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 12px 16px; border: 1.5px solid rgba(15,38,87,0.12); border-radius: 10px; font-family: var(--font-body); font-size: 0.95rem; color: var(--text); background: var(--bg); transition: border-color 0.2s; outline: none; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--teal); }
.form-group textarea { resize: vertical; min-height: 90px; }
.btn-form { width: 100%; background: linear-gradient(135deg, var(--blue), var(--teal)); color: white; border: none; padding: 16px; border-radius: 50px; font-family: var(--font-body); font-size: 1rem; font-weight: 700; cursor: pointer; transition: opacity 0.2s, transform 0.2s; margin-top: 8px; }
.btn-form:hover { opacity: 0.9; transform: translateY(-1px); }

/* FOOTER */
footer { background: var(--navy); color: rgba(255,255,255,0.6); text-align: center; padding: 32px 48px; font-size: 0.85rem; }
footer strong { color: white; }
footer a { color: rgba(255,255,255,0.6); }

/*
  WHATSAPP FLOAT
  FIX: substituir animação `pulse` box-shadow por opacity+scale.
  box-shadow não é composited → causa non-composited animation warning.
  opacity e transform SÃO composited → rodam na GPU sem afetar CLS/TBT.
*/
.wa-float {
  position: fixed; bottom: 28px; right: 28px; z-index: 999;
  width: 60px; height: 60px; background: #25D366; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.5);
  text-decoration: none;
  transform: translateZ(0); /* força GPU layer */
  animation: wa-pulse 2s infinite;
}
.wa-float:hover { transform: scale(1.1) translateZ(0); }
.wa-float svg { width: 30px; height: 30px; }

/* ANIMATIONS */
@keyframes fadeUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }

/*
  FIX: pulse agora usa opacity (composited) em vez de box-shadow (não-composited).
  Isso elimina o aviso "Avoid non-composited animations" do Lighthouse.
*/
@keyframes wa-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.75; }
}

/* SCROLL REVEAL */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* PERFORMANCE */
#servicos, #sobre, #depoimentos, #contato, footer { content-visibility: auto; contain-intrinsic-size: 0 600px; }
.service-card, .testimonial-card { will-change: transform; }

/* GRID 4 colunas em telas grandes */
@media (min-width: 1100px) { .services-grid { grid-template-columns: repeat(4, 1fr); } }

/* RESPONSIVE */
@media (max-width: 900px) {
  nav { padding: 16px 24px; }
  .nav-links { display: none; }
  section { padding: 72px 24px; }
  #hero { padding: 100px 24px 60px; }
  #sobre { grid-template-columns: 1fr; padding: 72px 24px; gap: 48px; }
  .hero-stats { gap: 24px; }
  .form-row { grid-template-columns: 1fr; }
}