*, *::before, *::after {
  box-sizing: border-box;
}

:root {
  --page-width: 960px;
  --grid-gap: 18px;
  --index-columns: 3;
  --index-rows: 2;
  --panel-border: rgba(255, 255, 255, 0.12);
  --panel-glow: rgba(0, 0, 0, 0.32);
}

html {
  height: 100%;
}

body {
  font-family: "Spectral", "fallback", Helvetica, Arial, sans-serif;
  margin: 0;
  min-height: 100dvh;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  background:
    radial-gradient(circle at top, rgba(92, 76, 52, 0.24), transparent 36%),
    linear-gradient(180deg, #171514 0%, #111111 38%, #0d0d0d 100%);
  color: #ffffff;
  overflow: hidden;
}

body.light-mode {
  background: #f5f5f5;
  color: #111;
}

h2 {
  text-align: center;
  font-family: "Spectral", "fallback", Helvetica, Arial, sans-serif;
  font-size: clamp(2.55rem, 4.5vw, 3.4rem);
  font-weight: 600;
  letter-spacing: -0.08rem;
  line-height: 0.95;
  margin: 0;
}

h3 {
  text-align: center;
  font-family: "Spectral", "fallback", Helvetica, Arial, sans-serif;
  font-size: clamp(0.82rem, 1.3vw, 0.98rem);
  font-weight: 400;
  letter-spacing: 0.03rem;
  margin: 0;
}

.site-tagline {
  color: #bfbfbf;
}

body.index-page .index-grid {
  width: min(calc(100vw - 2.4rem), var(--page-width));
  margin: 0 auto;
  height: 100%;
  padding: 1rem 0 1.15rem;
  display: grid;
  grid-template-columns: repeat(var(--index-columns), minmax(0, 1fr));
  grid-template-rows: repeat(var(--index-rows), minmax(0, 1fr));
  gap: var(--grid-gap);
  justify-content: center;
  justify-items: stretch;
  align-content: center;
  align-items: stretch;
}

body.index-page .index-card {
  width: 100%;
  min-width: 0;
  min-height: 0;
  height: 100%;
  display: flex;
  align-items: stretch;
  justify-content: center;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--panel-border);
  border-radius: 0.82rem;
  box-shadow: 0 1rem 2.4rem var(--panel-glow);
  transition: transform 0.24s ease, border-color 0.24s ease, box-shadow 0.24s ease;
}

body.index-page .index-card:hover {
  transform: translateY(-0.22rem);
  border-color: rgba(255, 255, 255, 0.24);
  box-shadow: 0 1.1rem 2.6rem rgba(0, 0, 0, 0.4);
}

body.index-page .index-card-link {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: stretch;
  justify-content: flex-start;
  padding: 0.45rem;
  border-radius: 0.72rem;
}

body.index-page .index-media {
  height: 100%;
  width: 100%;
  min-width: 0;
  min-height: 0;
  max-width: 100%;
  aspect-ratio: 2 / 3;
  overflow: hidden;
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.08), transparent 50%),
    #181818;
  border-radius: 0.62rem;
}

body.index-page .index-image {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: auto;
  object-fit: cover;
  transition: transform 0.3s ease;
}

body.index-page .index-card:hover .index-image {
  transform: scale(1.012);
}

.copyright {
  text-align: center;
  margin: 0;
  padding: 0.65rem 0.85rem 0.8rem;
  font-size: 0.72rem;
  line-height: 1.35;
  color: rgba(255, 255, 255, 0.72);
  background-color: rgba(12, 12, 12, 0.82);
  backdrop-filter: blur(12px);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

body.light-mode .copyright {
  color: rgba(0, 0, 0, 0.68);
  background-color: rgba(255, 255, 255, 0.86);
  border-top-color: rgba(0, 0, 0, 0.08);
}

.preloader {
  position: fixed;
  inset: 0;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.55s ease, visibility 0.55s ease;
  background: #111111;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5000;
}

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

.preloader-logo {
  width: clamp(6rem, 12vw, 8rem);
  max-width: 8rem;
  opacity: 0.9;
  animation: preloader-pulse 1.35s ease-in-out infinite;
}

@keyframes preloader-pulse {
  0%, 100% {
    opacity: 0.72;
    transform: scale(0.98);
  }

  50% {
    opacity: 1;
    transform: scale(1.03);
  }
}

@media (max-width: 900px) {
  body {
    overflow-x: hidden;
    overflow-y: auto;
  }

  body.index-page .index-grid {
    width: min(calc(100vw - 1rem), var(--page-width));
    min-height: auto;
    padding: 0.8rem 0 1rem;
  }

  body.index-page .index-card {
    border-radius: 0.72rem;
  }

  body.index-page .index-card-link {
    padding: 0.35rem;
    border-radius: 0.62rem;
  }

  body.index-page .index-media {
    border-radius: 0.56rem;
  }

  .copyright {
    font-size: 0.62rem;
    padding: 0.48rem 0.6rem 0.62rem;
  }
}