/* ============================================
   waterway.fm — Styles
   ============================================ */

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --font-main: 'Instrument Sans', sans-serif;
  --color-white: #ffffff;
  --color-white-80: rgba(255, 255, 255, 0.80);
  --color-white-50: rgba(255, 255, 255, 0.50);
  --color-black: #000000;
  --color-black-40: rgba(0, 0, 0, 0.40);
  --color-blue: #0000FF;
  --ui-padding: clamp(16px, 4vw, 16px);
  --text-size-body: clamp(13px, 1.4vw, 14px);
  --text-size-logo: clamp(14px, 1.5vw, 14px);
  --text-size-about: clamp(16px, 2.5vw, 28px);
  --text-size-loader: clamp(16px, 2vw, 22px);
  --transition-smooth: 0.5s cubic-bezier(0.25, 0.1, 0.25, 1);
  --transition-fast: 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
}

html,
body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: var(--font-main);
  background: var(--color-black);
  color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ============================================
   Loader
   ============================================ */

.loader {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-black);
  transition: opacity 0.8s ease, visibility 0.8s ease;
}

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

.loader-text {
  font-size: var(--text-size-loader);
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--color-white);
  animation: loaderPulse 2s ease-in-out infinite;
}

@keyframes loaderPulse {

  0%,
  100% {
    opacity: 0.4;
  }

  50% {
    opacity: 1;
  }
}

/* ============================================
   Video Container
   ============================================ */

.video-container {
  position: fixed;
  inset: 0;
  z-index: 1;
  background: var(--color-black);
}

.video-container video {
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  object-fit: cover;
  opacity: 1;
  transition: opacity 0.6s ease;
  /* Force GPU layer so Safari doesn't reflow video position from intrinsic dims */
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
  will-change: opacity;
}

/* Fade transition for video swaps */
.video-container.fading video {
  opacity: 0;
}

/* ============================================
   UI Overlay
   ============================================ */

.ui-overlay {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--ui-padding);
  pointer-events: none;
  /* Subtle vignette for text legibility */
  background:
    linear-gradient(to bottom,
      var(--color-black-40) 0%,
      transparent 18%,
      transparent 75%,
      var(--color-black-40) 100%);
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.ui-overlay.visible {
  opacity: 1;
}

.ui-overlay.visible.ui-idle {
  opacity: 0;
  pointer-events: none;
}

/* Make interactive elements clickable */
.ui-overlay a,
.ui-overlay .ui-link,
.ui-overlay .logo {
  pointer-events: auto;
}

/* ============================================
   Top Row
   ============================================ */

.ui-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.logo {
  font-size: var(--text-size-logo);
  font-weight: 400;
  letter-spacing: 0.01em;
  color: var(--color-white);

  transition: opacity var(--transition-fast);
  cursor: default;
}

.ui-link {
  font-size: var(--text-size-body);
  font-weight: 400;
  color: var(--color-white);

  transition: color var(--transition-fast), opacity var(--transition-fast);
  cursor: pointer;
  user-select: none;
}

.ui-link:hover {
  color: var(--color-white-50);
}

/* ============================================
   Bottom Row
   ============================================ */

.ui-bottom {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.ui-bottom-left {
  max-width: 60%;
}

.contributor-info {
  font-size: var(--text-size-body);
  font-weight: 400;
  color: var(--color-white);
  line-height: 1.5;
  display: block;
}

.ui-bottom-right {
  display: flex;
  gap: clamp(16px, 3vw, 16px);
  align-items: flex-end;
}

/* ============================================
   About Overlay
   ============================================ */

.about-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: var(--color-black);
  display: flex;
  flex-direction: column;
  padding: var(--ui-padding);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-smooth), visibility var(--transition-smooth);
  overflow-y: auto;
}

.about-overlay.open {
  opacity: 1;
  visibility: visible;
}

.about-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-shrink: 0;
}

.about-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 800px;
  justify-content: flex-end
}

.about-content p {
  font-size: var(--text-size-about);
  font-weight: 400;
  line-height: 1.55;
  color: var(--color-white-50);
  margin-bottom: 1.5em;
}

.about-content p:last-child {
  margin-bottom: 0;
}

.about-content a {
  color: var(--color-white);
  transition: opacity var(--transition-fast);
}

.about-content a:hover {
  opacity: 0.7;
}

.about-credit {
  margin-top: 1em;
  font-size: var(--text-size-body) !important;
  color: var(--color-white-50) !important;
}

/* ============================================
   All Waters Overlay
   ============================================ */

.all-waters-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: var(--color-black);
  display: flex;
  flex-direction: column;
  padding: var(--ui-padding);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-smooth), visibility var(--transition-smooth);
}

.all-waters-overlay.open {
  opacity: 1;
  visibility: visible;
}

.all-waters-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-shrink: 0;
  margin-bottom: 24px;
}

.all-waters-grid {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  grid-auto-rows: min-content;
  gap: 12px;
  overflow-y: auto;
  padding-bottom: 16px;
  align-content: start;
}

.all-waters-item {
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.all-waters-thumbnail {
  aspect-ratio: 16 / 9;
  background-color: #111;
  background-size: cover;
  background-position: center;
  border-radius: 2px;
  transition: opacity var(--transition-fast);
}

.all-waters-item:hover .all-waters-thumbnail {
  opacity: 0.7;
}

.all-waters-title {
  font-size: clamp(11px, 1.1vw, 13px);
  color: var(--color-white-50);
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  transition: color var(--transition-fast);
}

.all-waters-item:hover .all-waters-title {
  color: var(--color-white-80);
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 600px) {
  .ui-bottom {
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }

  .ui-bottom-left {
    max-width: 100%;
    order: 1;
  }

  .ui-bottom-right {
    order: 2;
  }

  /* About text: bottom-aligned on mobile (same as desktop) */
  .about-content {
    justify-content: flex-end;
  }

  /* All Waters: 2 columns on mobile */
  .all-waters-grid {
    grid-template-columns: repeat(2, 1fr);
    overflow-x: hidden;
  }

  /* Allow title to wrap to 2 lines instead of causing horizontal scroll */
  .all-waters-title {
    white-space: normal;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    text-overflow: unset;
  }

  /* Videos: always full viewport height on mobile */
  .video-container video {
    width: 100vw;
    height: 100vh;
    min-width: unset;
    min-height: unset;
    object-fit: cover;
  }
}