/**
 * Preloader — анимация logo.svg
 */

.preloader {
  position: fixed;
  inset: 0;
  z-index: 20000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse 80% 70% at 50% 45%, #14352e 0%, #0a1f1a 55%, #061412 100%);
  transition: opacity 0.65s ease, visibility 0.65s ease;
}

.preloader.is-done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.75rem;
  padding: 2rem;
}

.preloader__logo {
  width: min(72vw, 280px);
  height: auto;
  overflow: visible;
}

.preloader__logo svg {
  width: 100%;
  height: auto;
  max-height: min(52vw, 260px);
  display: block;
  overflow: visible;
}

/* Появление всего знака */
.preloader__logo .stroydom-logo {
  opacity: 0;
  animation: preloaderLogoIn 0.5s ease forwards 0.1s;
}

/* Боковые — снизу вверх; два центральных — сверху вниз */
.preloader__logo .logo-bar {
  opacity: 1;
  will-change: clip-path;
}

.preloader__logo .logo-from-below {
  clip-path: inset(100% 0 0 0);
  animation: preloaderFromBelow 0.72s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.preloader__logo .logo-from-above {
  clip-path: inset(0 0 100% 0);
  animation: preloaderFromAbove 0.72s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.preloader__logo .logo-bar--side.logo-from-below:first-of-type {
  animation-delay: 0.2s;
}

.preloader__logo .logo-bar--side.logo-from-below:last-of-type {
  animation-delay: 0.28s;
}

.preloader__logo .logo-bar--mid.logo-from-above:nth-of-type(2) {
  animation-delay: 0.38s;
}

.preloader__logo .logo-bar--mid.logo-from-above:nth-of-type(3) {
  animation-delay: 0.5s;
}

.preloader__brand {
  margin: 0;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.75);
  opacity: 0;
  animation: preloaderFade 0.5s ease forwards 0.85s;
}

.preloader__progress {
  width: min(200px, 40vw);
  height: 2px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 2px;
  overflow: hidden;
  opacity: 0;
  animation: preloaderFade 0.4s ease forwards 0.95s;
}

.preloader__progress-bar {
  display: block;
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, #9a7420, #e4c76a, #f0e0a8);
  border-radius: 2px;
  animation: preloaderProgress 1.8s ease-in-out forwards 0.2s;
}

@keyframes preloaderLogoIn {
  to {
    opacity: 1;
  }
}

@keyframes preloaderFromBelow {
  to {
    clip-path: inset(0 0 0 0);
  }
}

@keyframes preloaderFromAbove {
  to {
    clip-path: inset(0 0 0 0);
  }
}

@keyframes preloaderFade {
  to {
    opacity: 1;
  }
}

@keyframes preloaderProgress {
  0% {
    width: 0%;
  }
  70% {
    width: 85%;
  }
  100% {
    width: 100%;
  }
}

body.is-loading {
  overflow: hidden;
}

@media (prefers-reduced-motion: reduce) {
  .preloader__logo .stroydom-logo,
  .preloader__logo .logo-bar,
  .preloader__brand,
  .preloader__progress,
  .preloader__progress-bar {
    animation: none;
    opacity: 1;
    transform: none;
    clip-path: none;
  }

  .preloader {
    transition-duration: 0.2s;
  }
}