:root {
  --c-black: #060504;
  --c-yellow: #F9CE1A;
  --c-white: #FFFFFF;
  --c-offwhite: #F6F5F1;
  --c-gray: #A2A2A2;
  --c-graphite: #151515;
  --font-main: 'Montserrat', 'Manrope', system-ui, sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

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

body {
  font-family: var(--font-main);
  background-color: var(--c-offwhite);
  color: var(--c-graphite);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4 { color: var(--c-black); line-height: 1.2; font-weight: 700; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
button { cursor: pointer; font-family: inherit; border: none; }

/* Navegação */
header {
  position: fixed; top: 0; width: 100%; z-index: 100;
  background: rgba(6, 5, 4, 0.95);
  backdrop-filter: blur(10px);
  padding: 1rem 5%;
  display: flex; justify-content: space-between; align-items: center;
}
.nav-links a { color: var(--c-white); margin: 0 1rem; font-weight: 500; font-size: 0.9rem; }
.nav-links a:hover { color: var(--c-yellow); }
.btn-cta {
  background: var(--c-yellow); color: var(--c-black);
  padding: 0.75rem 1.5rem; border-radius: 4px; font-weight: 700;
}
.btn-cta:hover { background: var(--c-white); }

/* Hero Section */
.hero {
  background: var(--c-black); color: var(--c-white);
  min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr;
  padding: 8rem 5% 4rem; align-items: center; gap: 2rem; position: relative;
}
.hero-content h1 { font-size: clamp(2.5rem, 5vw, 4rem); color: var(--c-yellow); margin-bottom: 1rem; }
.hero-content h2 { color: var(--c-white); font-size: 1.5rem; margin-bottom: 1rem; }
.hero-content p { color: var(--c-gray); font-size: 1.1rem; margin-bottom: 2rem; }
.hero-image { display: flex; justify-content: center; height: 100%; }
.hero-image img { width: 100%; max-width: 500px; object-fit: contain; object-position: bottom center; }

/* Sections Comuns */
section { padding: 5rem 5%; }
.section-dark { background: var(--c-black); color: var(--c-white); }
.section-dark h2 { color: var(--c-yellow); }

/* Indicadores */
.credibility-bar {
  background: var(--c-yellow); color: var(--c-black);
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem; padding: 3rem 5%; text-align: center;
}
.stat-number { font-size: 2.5rem; font-weight: 800; display: block; }
.stat-label { font-size: 1rem; font-weight: 600; text-transform: uppercase; }

/* Cards & Grid */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; margin-top: 3rem; }
.card { background: var(--c-white); padding: 2rem; border-radius: 8px; box-shadow: 0 4px 6px rgba(0,0,0,0.05); }
.card .status { display: inline-block; padding: 0.25rem 0.75rem; background: var(--c-offwhite); border-radius: 20px; font-size: 0.8rem; font-weight: 700; margin-bottom: 1rem; color: var(--c-black); }
.card h3 { margin-bottom: 0.5rem; }

/* Chips Cidades */
.chips-container { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2rem; }
.chip { background: var(--c-graphite); color: var(--c-white); padding: 0.75rem 1.5rem; border-radius: 30px; font-weight: 600; }

/* Audio Player */
.audio-player {
  background: var(--c-graphite); padding: 2rem; border-radius: 8px;
  display: flex; flex-direction: column; gap: 1rem; color: var(--c-white);
  max-width: 600px; margin: 2rem auto 0;
}
.audio-controls { display: flex; align-items: center; gap: 1rem; }
.play-btn { background: var(--c-yellow); color: var(--c-black); width: 44px; height: 44px; border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.progress-bar { flex-grow: 1; height: 6px; background: var(--c-gray); border-radius: 3px; cursor: pointer; position: relative; }
.progress-filled { height: 100%; background: var(--c-yellow); width: 0%; border-radius: 3px; }

/* Footer */
footer { background: var(--c-black); color: var(--c-gray); padding: 4rem 5% 2rem; font-size: 0.85rem; border-top: 1px solid #222; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; margin-bottom: 2rem; }
.legal-box { border: 1px solid #333; padding: 1.5rem; border-radius: 4px; }
.legal-box strong { color: var(--c-white); display: block; margin-bottom: 0.5rem; }

/* Responsive */
@media (max-width: 768px) {
  .hero { grid-template-columns: 1fr; padding-top: 6rem; text-align: center; }
  .nav-links { display: none; } /* Implementar menu hamburger via JS para mobile */
}