@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@800&display=swap');
 
:root {
  --noite: #07040f;
  --roxo: #a21cff;
  --amarelo: #ffe600;
  --ouro: #f5b800;
}
 
* { box-sizing: border-box; margin: 0; padding: 0; }
 
body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: var(--noite);
  overflow: hidden;
}
 
/* ---------- Fundo desfocado ---------- */
.fundo {
  position: fixed;
  inset: 0;
  filter: blur(70px);
}
 
.orbe {
  position: absolute;
  border-radius: 50%;
  opacity: .75;
  animation: flutuar 14s ease-in-out infinite alternate;
}
.orbe.roxo     { width: 55vmax; height: 55vmax; background: var(--roxo);   top: -15%; left: -12%; }
.orbe.amarelo  { width: 40vmax; height: 40vmax; background: var(--amarelo); bottom: -18%; right: -8%; animation-delay: -5s; }
.orbe.violeta  { width: 35vmax; height: 35vmax; background: #5b13b8;       bottom: 5%;  left: 30%; animation-delay: -9s; }
 
@keyframes flutuar {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(6vmax, -4vmax) scale(1.12); }
}
 
/* ---------- Quadrado central ---------- */
.quadro {
  position: relative;
  width: min(88vw, 520px);
  aspect-ratio: 1 / 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(28px, 8vw, 56px);
  padding: 8%;
  border-radius: 28px;
  background: #000;
  border: 2px solid rgba(162, 28, 255, .7);
  box-shadow:
    0 0 0 1px rgba(255, 230, 0, .35),
    0 0 60px rgba(162, 28, 255, .45),
    0 30px 80px rgba(0, 0, 0, .6);
}
 
/* O fundo preto do JPEG some sobre o quadro */
.logo {
  width: 100%;
  height: auto;
  mix-blend-mode: screen;
}
 
/* ---------- Botão ---------- */
.botao {
  position: relative;
  overflow: hidden;
  padding: 16px 44px;
  border-radius: 999px;
  font-family: 'Cinzel', Georgia, serif;
  font-weight: 800;
  font-size: clamp(1.05rem, 4.5vw, 1.35rem);
  letter-spacing: .04em;
  text-decoration: none;
  color: #2a1500;
  background: linear-gradient(180deg, #fff27a 0%, var(--amarelo) 45%, var(--ouro) 100%);
  box-shadow:
    0 6px 0 #a87a00,
    0 12px 28px rgba(255, 230, 0, .4);
  transition: transform .15s ease, box-shadow .15s ease;
}
 
/* Brilho que passa pelo botão */
.botao::after {
  content: "";
  position: absolute;
  top: 0; left: -80%;
  width: 50%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, .7), transparent);
  transform: skewX(-20deg);
  transition: left .6s ease;
}
 
.botao:hover { transform: translateY(-3px); box-shadow: 0 9px 0 #a87a00, 0 18px 36px rgba(255, 230, 0, .55); }
.botao:hover::after { left: 130%; }
.botao:active { transform: translateY(5px); box-shadow: 0 1px 0 #a87a00, 0 6px 14px rgba(255, 230, 0, .4); }
.botao:focus-visible { outline: 3px solid #fff; outline-offset: 4px; }
 
@media (prefers-reduced-motion: reduce) {
  .orbe { animation: none; }
  .botao, .botao::after { transition: none; }
}