/* ============================================================
   PRELOADER — анимированный экран загрузки
   ============================================================ */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.45s ease, visibility 0.45s ease;
}
.preloader.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader__logo {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 900;
  letter-spacing: 0.02em;
  line-height: 1;
  opacity: 0;
  animation: preloader-logo-in 0.6s ease forwards;
}
@keyframes preloader-logo-in {
  0%   { opacity: 0; transform: translateY(12px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* ═══ Стиль 1: Логотип + точки ═══ */
.preloader--logo-dots .preloader__dots {
  display: flex;
  gap: 10px;
}
.preloader--logo-dots .preloader__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  animation: preloader-dot 1.2s ease-in-out infinite;
}
.preloader--logo-dots .preloader__dot:nth-child(2) { animation-delay: 0.15s; }
.preloader--logo-dots .preloader__dot:nth-child(3) { animation-delay: 0.30s; }
@keyframes preloader-dot {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
  40%           { transform: scale(1);   opacity: 1; }
}

/* ═══ Стиль 2: Логотип + кольцо ═══ */
.preloader--logo-ring .preloader__ring {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 3px solid transparent;
  animation: preloader-ring 1s linear infinite;
}
@keyframes preloader-ring {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ═══ Стиль 3: Логотип + полоса ═══ */
.preloader--logo-bar .preloader__bar {
  width: 180px;
  height: 3px;
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}
.preloader--logo-bar .preloader__bar-fill {
  position: absolute;
  top: 0; bottom: 0; left: 0;
  width: 40%;
  border-radius: 3px;
  animation: preloader-bar 1.3s ease-in-out infinite;
}
@keyframes preloader-bar {
  0%   { left: -40%; }
  100% { left: 100%; }
}