/* Logo AMGA di kiri pita teks berjalan (ribbon) footer:
   posisi diam, logo berputar 3D lalu disapu garis cahaya (siklus 6 detik). */
/* ---- 2) Logo di kiri ribbon ---- */
footer > .ribbon-logo {
  --rl-h: var(--text-loop-h, calc(2 * min(22px, max(12px, 1.8333vw))));
  position: absolute;
  top: 0;
  left: 0;
  z-index: 3;                 /* di atas ribbon (z-index 2) */
  height: var(--rl-h);
  display: flex;
  align-items: center;
  padding: 0 clamp(10px, 2vw, 22px) 0 clamp(8px, 1.6vw, 18px);
  pointer-events: none;       /* ribbon di belakangnya tetap bisa di-drag */
  /* latar oren pekat + pudar halus di kanan, supaya teks "masuk" di bawah logo */
  background: linear-gradient(90deg, var(--orange, #ff6b00) 0, var(--orange, #ff6b00) 78%, rgba(255, 107, 0, 0) 100%);
  perspective: 400px;
}

.ribbon-logo-coin {
  position: relative;
  height: 88%;
  aspect-ratio: 1 / 1;
  transform-style: preserve-3d;
  animation: ribbonLogoSpin 6s ease-in-out infinite;
  will-change: transform;
}
.ribbon-logo-coin img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 2px 5px rgba(0, 0, 0, .35));
}

/* garis cahaya: dipotong mengikuti bentuk logo lewat mask */
.ribbon-logo-shine {
  position: absolute;
  inset: 0;
  background: linear-gradient(108deg, transparent 42%, rgba(255, 255, 255, .95) 50%, transparent 58%);
  background-size: 300% 100%;
  background-repeat: no-repeat;
  background-position: 130% 0;
  -webkit-mask: url("../assets/logo.png") center / contain no-repeat;
          mask: url("../assets/logo.png") center / contain no-repeat;
  animation: ribbonLogoShine 6s ease-in-out infinite;
}

/* berputar dulu, lalu garis cahaya menyapu */
@keyframes ribbonLogoSpin {
  0%, 8%    { transform: rotateY(0deg); }
  42%, 100% { transform: rotateY(360deg); }
}
@keyframes ribbonLogoShine {
  0%, 48%   { background-position: 130% 0; }
  78%, 100% { background-position: -30% 0; }
}

/* Mode "kurangi animasi" (mis. Hemat Baterai Android): putaran 3D dimatikan,
   sapuan garis tetap tampil supaya logo tidak terlihat mati. */
@media (prefers-reduced-motion: reduce) {
  .ribbon-logo-coin { animation: none; }
}

/* Tidak ada garis biru di atas pita oren footer (semua ukuran layar). */
footer,
body[data-route="beranda"] footer {
  border-top: 0 !important;
  box-shadow: none !important;
}
footer::after { content: none !important; }

/* Ribbon teks tidak terpengaruh scroll: efek blur footer saat tombol "ke atas" ditekan dimatikan
   (kecepatan geser teks sudah konstan lewat data-scroll-boost="0"). */
body.is-scroll-top-blurring footer,
html[data-motion="reduced"] body.is-scroll-top-blurring footer {
  animation: none !important;
  filter: none !important;
}