/* effects.css — Efeitos decorativos: glass-panel, glow dourado, texto gradiente,
   blobs, textura de ruído, padrão de grade, sheen e divisores. */

/* ---- PAINEL DE VIDRO (glassmorphism) ----
   background-color sólido serve de fallback se backdrop-filter não houver. */
.glass-panel {
  position: relative;
  background-color: var(--noir-850);
  background-image: var(--grad-panel);
  backdrop-filter: blur(50px);
  -webkit-backdrop-filter: blur(50px);
  border: 1px solid var(--border-soft);
  border-top-color: var(--glass-border-top);
  border-left-color: var(--glass-border-left);
  box-shadow: var(--shadow-panel);
}

/* ---- GLOW DOURADO ---- */
.gold-glow { box-shadow: var(--shadow-gold-glow); }
.gold-glow--strong { box-shadow: var(--shadow-gold-glow-lg); }
.gold-glow--pulse { animation: glow-pulse var(--dur-glow) ease-in-out infinite; }

/* ---- TEXTO COM GRADIENTE DOURADO ----
   color sólido é fallback caso background-clip:text falhe. */
.text-gold {
  color: var(--gold-400);
  background: var(--grad-gold-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.text-gold--metal {
  color: var(--gold-400);
  background: var(--grad-gold-metal);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---- BLOBS DE FUNDO ---- */
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
  z-index: 0;
  animation: drift var(--dur-drift) ease-in-out infinite alternate;
}
.blob--1 { width: 460px; height: 460px; background: var(--gold-600); opacity: 0.42; top: -8%; left: -6%; }
.blob--2 { width: 380px; height: 380px; background: var(--gold-900); opacity: 0.55; right: -4%; bottom: -10%; animation-delay: -5s; }
.blob--3 { width: 300px; height: 300px; background: var(--gold-700); opacity: 0.3; top: 46%; left: 40%; animation-delay: -8s; }

/* ---- TEXTURA DE RUÍDO (SVG feTurbulence) ---- */
.noise-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.06;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---- PADRÃO DE GRADE ---- */
.grid-pattern {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(212, 175, 95, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212, 175, 95, 0.045) 1px, transparent 1px);
  background-size: 96px 96px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 100%);
}

/* ---- SHEEN / VARREDURA DE BRILHO ---- */
.sheen { position: relative; overflow: hidden; }
.sheen::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 55%;
  background: var(--grad-gold-sheen);
  transform: translateX(-120%);
  pointer-events: none;
  mix-blend-mode: overlay;
}
.sheen--auto::after { animation: shimmer var(--dur-shimmer) ease-in-out infinite; }
.sheen--hover:hover::after { animation: shimmer var(--dur-shimmer) ease-in-out; }

/* ---- DIVISORES ---- */
.divider-dashed { height: 0; border: none; border-top: 1px dashed var(--border-dashed); }
.divider-gold {
  height: 1px;
  border: none;
  background: linear-gradient(90deg, transparent, var(--border-gold-strong), transparent);
}
.ornament { display: flex; justify-content: center; opacity: 0.8; }
.ornament img { width: clamp(160px, 30vw, 280px); height: auto; }