/* ===== RESET ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ===== PRELOADER WRAPPER ===== */
#preloader {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at top, #0f2027, #000);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99999;
}

/* ===== CARD ===== */
.preloader-card {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 45px 55px;
  border-radius: 20px;
  text-align: center;
  box-shadow: 0 25px 60px rgba(0,0,0,0.5);
}

/* ===== LOGO ===== */
.preloader-logo {
  width: 100%;
  height: 70px;
  margin: 0 auto 18px;
}

.preloader-logo img {
    border: 3px solid #2AA9FF;
    border-radius: 0.5rem;
  width: 25%;
  height: auto;
}

/* ===== LOADER ===== */
.loader {
  width: 65px;
  height: 65px;
  border-radius: 50%;
  border: 4px solid rgba(255,255,255,0.15);
  border-top: 4px solid #00e6ff;
  animation: spin 1.1s linear infinite;
  margin: 3rem auto 22px;
}

/* ===== TEXT ===== */
.preloader-title {
  font-size: 20px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 6px;
  letter-spacing: 0.4px;
}

.preloader-subtitle {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  letter-spacing: 1px;
}

/* ===== ANIMATION ===== */
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ===== FADE OUT ===== */
.fade-out {
  animation: fadeOut 0.6s ease forwards;
}

@keyframes fadeOut {
  to {
    opacity: 0;
    visibility: hidden;
  }
}

/* ================================================= */
/* 📱 MOBILE OPTIMIZATION (≤ 451px) */
/* ================================================= */
@media (max-width: 451px) {

  .preloader-card {
    padding: 32px 28px;
    border-radius: 16px;
  }

  .preloader-logo {
    width: 100%;
    height: 55px;
    margin-bottom: 14px;
  }

  .preloader-logo img{
    width: 25%;
    height: auto;
  }

  .loader {
    width: 52px;
    height: 52px;
    border-width: 3px;
    margin-top: 1rem;
    margin: 3rem auto 22px;
  }

  .preloader-title {
    font-size: 16px;
    letter-spacing: 0.3px;
  }

  .preloader-subtitle {
    font-size: 11px;
    letter-spacing: 0.8px;
  }
}