html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: system-ui, sans-serif;
  background: #f3f6f2;
}

/* MAP */
#map {
  height: 100vh;
  width: 100vw;
}

/* LOGO - Mist Fade In */
#intro {
  position: absolute;
  top: 24px;
  left: 24px;
  z-index: 1000;
}

#intro img {
  width: 160px;
  opacity: 0;
  animation: mistFade 3s ease forwards;
}

@keyframes mistFade {
  0%   { opacity: 0; transform: translateY(8px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* TRAIL SIGN */
.trail-sign {
  position: absolute;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(255,255,255,0.85);
  padding: 10px 22px;
  border-radius: 6px;
  font-weight: 700;
  text-transform: uppercase;
  z-index: 1000;
  backdrop-filter: blur(6px);
}

/* INSTAGRAM BUTTON */
footer {
  position: absolute;
  bottom: 20px;
  width: 100%;
  text-align: center;
  z-index: 1000;
}

.instagram-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: white;
  color: #111;
  padding: 10px 18px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.instagram-btn img {
  width: 20px;
  height: 20px;
}