/* ========================================================================== */
/* Hero 3D & Header — Dra. Carolina de Carvalho (CRO/MG 55454)               */
/* Canvas Scrollytelling Pinning | Glassmorphism Header | Responsive Overlay */
/* Line Budget: Strictly <= 150 lines (Quality Gate MAX_LINES=350)           */
/* ========================================================================== */

/* --- Barra de Progresso Superior --- */
.hero-progress-line {
  position: fixed; top: 0; left: 0; width: 100%; height: 3px;
  background: var(--accent-gold); transform-origin: 0 50%; transform: scaleX(0);
  z-index: 1000; pointer-events: none;
}

/* --- Header Glassmorphism Flutuante --- */
.header-glass {
  position: sticky; top: 0; width: 100%; z-index: var(--z-header);
  background: var(--glass-bg);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  transition: background var(--transition-base), border-color var(--transition-base);
}
.header-container {
  display: flex; align-items: center; justify-content: space-between; gap: 1.25rem;
  max-width: 1200px; margin-inline: auto; padding: 0.875rem 1.5rem; width: 100%;
}
.header-brand, .brand-group { display: flex; flex-direction: column; gap: 0.125rem; text-decoration: none; }
.brand-name {
  font-family: var(--font-heading); font-weight: 700; font-size: var(--text-lg);
  color: var(--text-primary); line-height: 1.2; letter-spacing: -0.02em;
}
.brand-clinic { font-size: var(--text-xs); color: var(--text-muted); }
.brand-cro {
  display: inline-flex; align-items: center; gap: 0.375rem;
  font-size: var(--text-xs); font-weight: 600; color: var(--accent-gold); letter-spacing: 0.04em;
}
.header-nav, .nav-menu { display: flex; align-items: center; gap: 1.75rem; list-style: none; }
.nav-link {
  font-size: var(--text-sm); font-weight: 500; color: var(--text-muted);
  padding-block: 0.25rem; transition: color var(--transition-fast);
}
.nav-link:hover, .nav-link.active { color: var(--text-primary); }
.header-actions { display: flex; align-items: center; gap: 0.75rem; }
.menu-toggle {
  display: none; background: transparent; border: none;
  color: var(--text-primary); cursor: pointer; padding: 0.5rem;
}

/* --- Scrollytelling 3D & Canvas Pinning --- */
.hero-3d, .scrollytelling {
  position: relative; width: 100%; height: 350vh;
}
.canvas-container {
  position: sticky; top: 0; left: 0; width: 100%;
  height: 100vh; height: 100dvh; overflow: hidden; z-index: var(--z-canvas);
}
.hero-canvas {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  object-fit: cover; display: block; pointer-events: none;
}
.hero-vignette {
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(circle at center, rgba(253,251,247,0.1) 10%, rgba(253,251,247,0.7) 100%);
}

/* --- Overlay de Conteudo & Tipografia Hero --- */
.hero-overlay, .hero-content {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center;
  pointer-events: none; z-index: var(--z-content); padding: 2rem 1.5rem;
}
.hero-stage, .hero-card {
  max-width: 780px; margin-inline: auto; display: flex; flex-direction: column;
  align-items: center; gap: 1.25rem; pointer-events: auto;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.375rem 1rem;
  border-radius: var(--radius-pill); background: var(--glass-bg-card);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle); font-size: var(--text-xs); font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent-gold);
  pointer-events: auto;
}
.hero-title {
  font-family: var(--font-heading); font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 800; line-height: 1.12; color: var(--text-primary); letter-spacing: -0.03em;
  pointer-events: auto; max-width: 800px;
}
.hero-subtitle, .hero-desc {
  font-size: clamp(1rem, 1.5vw, 1.2rem); color: var(--text-muted);
  max-width: 620px; line-height: 1.6; margin: 0; pointer-events: auto;
}
.hero-actions {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: 1rem; margin-top: 0.5rem; pointer-events: auto;
}
.hero-units-pill {
  font-size: var(--text-xs); color: var(--text-muted); background: var(--glass-bg-card);
  padding: 0.375rem 0.875rem; border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle); display: inline-block; margin-top: 0.75rem;
  pointer-events: auto;
}
.hero-scroll-hint {
  position: absolute; bottom: 1.75rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.375rem;
  font-size: var(--text-xs); color: var(--text-muted); font-weight: 500;
  letter-spacing: 0.05em; pointer-events: none;
}

/* --- Suporte Estrutural de Grid & Animacoes (Base M2) --- */
.procedures-grid, .col-3, .columns-3 {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem;
}
@keyframes marquee-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.marquee-track:hover .marquee-content { animation-play-state: paused; }

/* --- Responsividade & Breakpoints --- */
@media (max-width: 768px) {
  .header-container { padding: 0.75rem 1rem; }
  .header-nav, .nav-menu { display: none; }
  .menu-toggle { display: flex; }
  .hero-content, .hero-stage { padding: 1.5rem 1rem; }
  .hero-card { gap: 1rem; }
  .procedures-grid, .col-3, .columns-3 { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .hero-3d, .scrollytelling { overflow-x: hidden; }
  .hero-actions { flex-direction: column; width: 100%; gap: 0.75rem; }
  .hero-actions .btn { width: 100%; }
  .brand-name { font-size: var(--text-base); }
}