/* ============================================================
   illiaboyko.com — stylesheet
   ============================================================ */

::selection {
  color: #ff0000;
  background: rgba(0, 0, 0, 0);
}

html { font-size: 10px; }

@media (max-width: 767px) {
  html { font-size: 10px; touch-action: manipulation; }
  body { touch-action: manipulation; }
}

body {
  --swatch-1: rgba(0,0,0,0.85);
  --swatch-2: rgba(0,0,0,0.75);
  --swatch-3: rgba(0,0,0,0.6);
  --swatch-4: rgba(0,0,0,0.4);
  --swatch-5: rgba(0,0,0,0.25);
  margin: 0; padding: 0;
  background: #fff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

*, *::before, *::after { box-sizing: border-box; }
a { text-decoration: none; color: inherit; }
.red-hover { color: #898989 !important; }
.red-hover:hover { color: #ff0000 !important; }
.black-red-hover { color: #000; }
.black-red-hover:hover { color: #ff0000; }
a:active { opacity: 0.7; }
.grey { color: #898989; }

/* ── Typography ── */
.bodycopy-real {
  font-size: 1.5rem; font-weight: 300; color: #000;
  font-family: univers-next-pro, 'Helvetica Neue', helvetica, sans-serif;
  line-height: 1.55; letter-spacing: 0.005em; display: block;
}
.bodycopy-real a { color: #000; }
.bodycopy-real a:hover { color: #ff0000; }

.bodycopy-real-medium {
  font-size: 1.5rem; font-weight: 500; color: #000;
  font-family: univers-next-pro, 'Helvetica Neue', helvetica, sans-serif;
  line-height: 1.35; letter-spacing: 0.005em; display: block;
}

.bodycopy-real-x3 {
  font-size: 1.5rem; font-weight: 300; color: #000;
  font-family: univers-next-pro, 'Helvetica Neue', helvetica, sans-serif;
  line-height: 1.55; letter-spacing: 0.005em; display: block;
}
.bodycopy-real-x3 a { color: #898989; }
.bodycopy-real-x3 a:hover { color: #ff0000; }

.caption {
  font-size: 1.5rem; font-weight: 300; color: #000;
  font-family: univers-next-pro, 'Helvetica Neue', helvetica, sans-serif;
  line-height: 1.55; letter-spacing: 0.005em; display: block;
}
.caption a { color: #000; }
.caption a:hover { color: #ff0000; }

a.red {
  color: #ff0000 !important;
  font-family: univers-next-pro, 'Helvetica Neue', helvetica, sans-serif;
  font-size: 1.5rem; font-weight: 300;
  line-height: 1.55; letter-spacing: 0.005em; display: inline;
}

.close-link { color: #000; }
.close-link:hover { color: #ff0000; }

/* ── Header ── */
#site-header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100; padding: 1.65rem 0 0;
  text-align: center; pointer-events: none;
  mix-blend-mode: difference;
}
#site-header span {
  font-size: 1.5rem; font-weight: 300;
  font-family: univers-next-pro, 'Helvetica Neue', helvetica, sans-serif;
  color: #fff; letter-spacing: 0.005em; line-height: 1.55;
}

/* ── About link ── */
#about-link {
  position: fixed; bottom: 3.3rem; left: 50%; transform: translateX(-50%);
  z-index: 100; mix-blend-mode: difference;
  opacity: 0; pointer-events: none;
  transition: opacity 0.5s ease;
}
#about-link a {
  font-size: 1.5rem; font-weight: 300;
  font-family: univers-next-pro, 'Helvetica Neue', helvetica, sans-serif;
  color: #fff; letter-spacing: 0.005em;
}
#about-link a:hover { color: rgba(0, 255, 255, 1); }

/* ── Page layout ── */
.page { display: flex; justify-content: center; width: 100%; }

.page-slideshow { padding-top: 10rem; user-select: none; -webkit-user-select: none; }
#page-btc { padding-top: 0; }
#page-x3p { padding-top: 3rem; }
#page-tour { padding-top: 5rem; }
#page-gather { padding-top: 6rem; }

.page-data { padding: 1.45rem; text-align: center; }
.page-data .inner { max-width: 57%; margin: 0 auto; }

.page-desc { padding: 0 1rem 1rem; text-align: left; }
.page-desc .inner { max-width: 41%; margin: 0 auto; }


/* ── Back to top ── */
#back-to-top {
  display: flex; justify-content: center;
  padding: 5rem 1.45rem 5.5rem;
}
#back-to-top .inner { max-width: 57%; text-align: center; }

/* ── Slideshow ── */
.sw-outer { display: flex; justify-content: center; width: 100%; position: relative; }
.sw-wrap  { position: relative; overflow: hidden; min-height: 60vh; }

.sw-btc .sw-wrap { max-width: 77vw; }
.sw-x3  .sw-wrap { max-width: 81vw; }
.sw-cc  .sw-wrap { max-width: 76vw; }
.sw-x3p .sw-wrap { max-width: 78vw; }
.sw-maaema .sw-wrap { max-width: 65vw; }
.sw-tour .sw-wrap { max-width: 59vw; }
.sw-cuman .sw-wrap { max-width: 70vw; }
.sw-gather .sw-wrap { max-width: 67vw; }
.sw-diatc .sw-wrap { max-width: 61vw; }
.sw-tancad .sw-wrap { max-width: 36vw; }
.sw-cornerstone .sw-wrap { max-width: 76vw; }
.sw-track { display: flex; will-change: transform; height: 100%; transition: transform 0s ease; transform: translateX(0); }
.sw-slide { flex-shrink: 0; width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; position: relative; }

.sw-slide img,
.sw-slide video {
  display: block;
  max-height: 69.5rem;
  max-width: 100%;
  object-fit: contain;
  pointer-events: none;
  -webkit-appearance: none;
}

.sw-slide video[data-loading="true"] {
  display: none;
}

.sw-slide video::-webkit-media-controls,
.sw-slide video::-webkit-media-controls-enclosure,
.sw-slide video::-webkit-media-controls-panel,
.sw-slide video::-webkit-media-controls-play-button,
.sw-slide video::-webkit-media-controls-play-button-container,
.sw-slide video::-webkit-media-controls-overlay-play-button,
.sw-slide video::-webkit-media-controls-overlay-enclosure,
.sw-slide video::-webkit-media-controls-start-playback-button,
.sw-slide video::-webkit-media-controls-current-time-display,
.sw-slide video::-webkit-media-controls-time-remaining-display,
.sw-slide video::-webkit-media-controls-timeline,
.sw-slide video::-webkit-media-controls-timeline-container,
.sw-slide video::-webkit-media-controls-volume-slider-container,
.sw-slide video::-webkit-media-controls-toggle-closed-captions-button,
.sw-slide video::-webkit-media-text-track-container,
.sw-slide video::-webkit-media-controls-fullscreen-button,
.sw-slide video::-webkit-media-controls-poster {
  display: none !important;
  opacity: 0 !important;
  pointer-events: none !important;
  width: 0 !important;
  height: 0 !important;
}

.sw-slide video::-moz-media-controls,
.sw-slide video::-moz-media-controls-panel {
  display: none !important;
}

.sw-prev, .sw-next {
  position: absolute; top: 0; bottom: 0; width: 50vw; z-index: 10;
  user-select: none; -webkit-user-select: none;
}
.sw-prev { left: 0;  cursor: w-resize; }
.sw-next { right: 0; cursor: e-resize; }

/* ── Overlays (About + Imprint) ── */
.overlay {
  position: fixed; inset: 0; z-index: 200;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.58);
  backdrop-filter: blur(1.34rem);
  -webkit-backdrop-filter: blur(1.34rem);
  opacity: 0; pointer-events: none;
  transition: opacity 0.4s ease;
}
.overlay.open { opacity: 1; pointer-events: auto; }

.overlay-content { max-width: 40%; text-align: center; max-height: 90vh; overflow-y: auto; }
#imprint-overlay .overlay-content { max-width: 80%; }

/* ── Responsive visibility ── */
.desktop-only { display: block; }
.mobile-only { display: none; }

.sw-slide .desktop-only {
  display: block;
}

.sw-slide .mobile-only {
  display: none;
}

/* ── Responsive: tablet ── */
@media (min-width: 768px) and (max-width: 1024px) {
  .sw-btc .sw-wrap { max-width: 90vw; }
  .sw-x3  .sw-wrap { max-width: 92vw; }
  .sw-cc  .sw-wrap { max-width: 90vw; }
  .sw-x3p .sw-wrap { max-width: 90vw; }
  .sw-maaema .sw-wrap { max-width: 90vw; }
  .sw-tour .sw-wrap { max-width: 90vw; }
  .sw-cuman .sw-wrap { max-width: 90vw; }
  .sw-gather .sw-wrap { max-width: 90vw; }
  .sw-diatc .sw-wrap { max-width: 90vw; }
  .sw-tancad .sw-wrap { max-width: 90vw; }
  .sw-cornerstone .sw-wrap { max-width: 90vw; }

  .page-data .inner { max-width: 70%; }
  .page-desc .inner { max-width: 62%; }

  #about-overlay .overlay-content { max-width: 65%; }
}

/* ── Responsive: mobile ── */
@media (max-width: 767px) {
  .desktop-only { display: none; }
  .mobile-only { display: block; }

  .sw-slide .desktop-only {
    display: none;
  }

  .sw-slide .mobile-only {
    display: block;
  }

  /* Disable nav overlays on mobile so swipes work */
  .sw-prev, .sw-next {
    pointer-events: none;
  }

  /* Hide desktop-only slides on mobile */
  .sw-x3p .sw-slide:nth-child(n+8) {
    display: none !important;
  }

  .sw-btc .sw-wrap,
  .sw-x3  .sw-wrap,
  .sw-cc  .sw-wrap,
  .sw-x3p .sw-wrap,
  .sw-maaema .sw-wrap,
  .sw-tour .sw-wrap,
  .sw-cuman .sw-wrap,
  .sw-gather .sw-wrap,
  .sw-diatc .sw-wrap,
  .sw-tancad .sw-wrap,
  .sw-cornerstone .sw-wrap { max-width: 100vw; min-height: 70vh; }

  .sw-slide img,
  .sw-slide video   { max-height: 58rem; }

  .page-slideshow   { padding-top: 5.2rem; }
  #page-btc         { padding-top: 0; }

  .page-data .inner,
  .page-desc .inner { max-width: 90%; }

  .page-desc { padding: 0 0.75rem 1.45rem; }

  #about-link {
    right: unset; left: 50%;
    transform: translateX(-50%);
    bottom: 2.4rem;
  }

  #back-to-top .inner { max-width: 90%; }

  #back-to-top { padding-bottom: 4.6rem; }

  #about-overlay .overlay-content,
  #imprint-overlay .overlay-content { max-width: 90%; padding: 6rem 0.75rem; }
}