/* ==========================================================================
   Patreon-Inspired Infinite Horizontal Image Slider for CRAB
   Real Dynamic Inverted Typography via CSS mix-blend-mode: difference
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400;1,600&display=swap');

:root {
  --patreon-bg: #669bbc;
  --patreon-text: #003049;
  --patreon-copy: #002236;
  --patreon-crimson: #c1121f;
  --patreon-cream: #fdf0d5;
  --patreon-white: #ffffff;
  --patreon-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
}

/* --------------------------------------------------------------------------
   1. Section Boundary — Shared Isolation Context
   -------------------------------------------------------------------------- */
.scene--patreon,
.community-section {
  background: var(--patreon-bg, #669bbc);
  color: var(--patreon-text);
  overflow: hidden;
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
  -webkit-user-select: none;
  isolation: isolate; /* CRITICAL: Establishes the stacking & difference-blending boundary */
}

/* Background Layer (z-index: 0) */
.patreon-slider-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 50% 35%, rgba(253, 240, 213, 0.12) 0%, rgba(0, 48, 73, 0.15) 100%);
  z-index: 0;
}

/* --------------------------------------------------------------------------
   2. Continuously Moving Image Gallery (z-index: 1 — Behind Headings)
   -------------------------------------------------------------------------- */
.patreon-slider-wrapper,
.community-gallery {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  z-index: 1;
  overflow: hidden;
  cursor: grab;
  outline: none;
  pointer-events: auto;
}

.patreon-slider-wrapper.is-dragging,
.community-gallery.is-dragging {
  cursor: grabbing;
}

.patreon-slider-track {
  display: flex;
  align-items: center;
  width: max-content;
  will-change: transform;
  transform: translate3d(0, 0, 0);
  touch-action: pan-y;
}

.patreon-slider-group {
  display: flex;
  align-items: center;
  gap: clamp(34px, 4vw, 64px);
  padding-right: clamp(34px, 4vw, 64px);
  flex-shrink: 0;
}

/* Staggered Editorial Image Cards */
.patreon-card {
  position: relative;
  flex-shrink: 0;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 18px 42px rgba(0, 30, 50, 0.22), 0 4px 12px rgba(0, 0, 0, 0.1);
  transform: translate3d(0, var(--card-offset, 0px), 0);
  transition: box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  background: var(--patreon-text);
}

.patreon-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.patreon-card:hover .patreon-card-inner {
  transform: scale(1.035);
}

.patreon-card:hover {
  box-shadow: 0 28px 58px rgba(0, 20, 40, 0.35), 0 8px 20px rgba(0, 0, 0, 0.15);
}

.patreon-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
}

/* Bottom Scrim for Caption Readability */
.patreon-card-scrim {
  position: absolute;
  inset: auto 0 0 0;
  height: 48%;
  background: linear-gradient(to top, rgba(0, 20, 35, 0.72) 0%, rgba(0, 20, 35, 0.25) 55%, transparent 100%);
  pointer-events: none;
  z-index: 1;
}

/* Caption Badge */
.patreon-card-tag {
  position: absolute;
  bottom: 14px;
  left: 16px;
  color: var(--patreon-white);
  font-size: clamp(11px, 0.85vw, 13px);
  font-weight: 600;
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  z-index: 2;
  text-shadow: 0 2px 5px rgba(0, 0, 0, 0.8);
  pointer-events: none;
}

.patreon-card-arrow {
  display: inline-block;
  color: var(--patreon-cream);
  transition: transform 0.3s ease, color 0.3s ease;
}

.patreon-card:hover .patreon-card-arrow {
  transform: translateX(4px);
  color: #ff8b8b;
}

/* --------------------------------------------------------------------------
   3. Oversized Fixed Headings (z-index: 10 — Direct Sibling with difference blending)
   White (#FFFFFF) + mix-blend-mode: difference performs mathematical RGB inversion:
   - Over Blue #669BBC: renders as warm caramel brown (#996443)
   - Over dark photo pixels: inverts to bright luminous white
   - Over bright photo pixels: inverts to deep high-contrast black
   -------------------------------------------------------------------------- */
.community-heading {
  position: absolute;
  z-index: 10;
  margin: 0;
  padding: 0;
  color: #ffffff;
  mix-blend-mode: difference;
  pointer-events: none;
  font-family: var(--patreon-serif);
  font-weight: 400;
  line-height: 0.88;
  letter-spacing: -0.04em;
  text-transform: none;
  user-select: none;
  -webkit-user-select: none;
  display: flex;
  flex-direction: column;
}

.community-heading--top {
  top: clamp(35px, 7vh, 85px);
  left: clamp(28px, 6vw, 90px);
  font-size: clamp(4.2rem, 11vw, 12rem);
  text-align: left;
}

.community-heading--bottom {
  bottom: clamp(25px, 5vh, 60px);
  right: clamp(28px, 6vw, 90px);
  font-size: clamp(4.5rem, 12vw, 13rem);
  text-align: right;
  margin-bottom: clamp(10px, 2vh, 30px);
}

.patreon-serif-word {
  display: block;
  white-space: nowrap;
}

/* --------------------------------------------------------------------------
   4. Editorial Copy (z-index: 20 — Pinned Bottom-Left)
   -------------------------------------------------------------------------- */
.patreon-editorial-copy {
  position: absolute;
  bottom: clamp(75px, 11vh, 120px);
  left: clamp(28px, 6vw, 90px);
  max-width: clamp(280px, 27vw, 420px);
  z-index: 20;
  pointer-events: auto;
}

.patreon-kicker {
  color: var(--patreon-text);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 10px;
  opacity: 0.9;
}

.patreon-description {
  margin: 0;
  color: var(--patreon-copy);
  font-size: clamp(13px, 1.05vw, 15px);
  line-height: 1.5;
  font-weight: 500;
  letter-spacing: -0.01em;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.25);
}

/* --------------------------------------------------------------------------
   Staggered Heights, Widths & Vertical Offsets
   -------------------------------------------------------------------------- */
/* Card 1: Portrait (Low) */
.patreon-card--v1 {
  width: clamp(230px, 19vw, 300px);
  height: clamp(320px, 42vh, 420px);
  --card-offset: 6vh;
}

/* Card 2: Portrait (High) */
.patreon-card--v2 {
  width: clamp(260px, 22vw, 350px);
  height: clamp(340px, 44vh, 440px);
  --card-offset: -12vh;
}

/* Card 3: Landscape (Mid-Low) */
.patreon-card--v3 {
  width: clamp(310px, 26vw, 420px);
  height: clamp(230px, 31vh, 320px);
  --card-offset: 8vh;
}

/* Card 4: Tall Portrait (Very High) */
.patreon-card--v4 {
  width: clamp(210px, 17vw, 270px);
  height: clamp(360px, 48vh, 490px);
  --card-offset: -16vh;
}

/* Card 5: Square (Mid-Low) */
.patreon-card--v5 {
  width: clamp(270px, 23vw, 380px);
  height: clamp(270px, 38vh, 380px);
  --card-offset: 7vh;
}

/* Card 6: Square (High) */
.patreon-card--v6 {
  width: clamp(230px, 19vw, 310px);
  height: clamp(230px, 31vh, 310px);
  --card-offset: -14vh;
}

/* Card 7: Portrait (Low) */
.patreon-card--v7 {
  width: clamp(240px, 20vw, 330px);
  height: clamp(320px, 42vh, 430px);
  --card-offset: 10vh;
}

/* Card 8: Large Square (Center Feature) */
.patreon-card--v8 {
  width: clamp(300px, 27vw, 440px);
  height: clamp(300px, 42vh, 440px);
  --card-offset: -4vh;
}

/* Card 9: Tall Portrait (Low) */
.patreon-card--v9 {
  width: clamp(220px, 18vw, 280px);
  height: clamp(350px, 46vh, 480px);
  --card-offset: 12vh;
}

/* Card 10: Portrait (High) */
.patreon-card--v10 {
  width: clamp(250px, 21vw, 340px);
  height: clamp(320px, 42vh, 430px);
  --card-offset: -10vh;
}

/* --------------------------------------------------------------------------
   Responsive Layout & Mobile Support
   -------------------------------------------------------------------------- */
@media (max-width: 900px) {
  .community-heading--top {
    font-size: clamp(3.2rem, 13vw, 6.5rem);
    top: 24px;
    left: 20px;
  }

  .community-heading--bottom {
    font-size: clamp(3.6rem, 14vw, 7.5rem);
    bottom: 24px;
    right: 20px;
    margin-bottom: 0;
  }

  .patreon-editorial-copy {
    bottom: 24px;
    left: 20px;
    max-width: 310px;
  }

  .patreon-slider-group {
    gap: 26px;
    padding-right: 26px;
  }

  .patreon-card--v1 { --card-offset: 5vh; }
  .patreon-card--v2 { --card-offset: -7vh; }
  .patreon-card--v3 { --card-offset: 4vh; }
  .patreon-card--v4 { --card-offset: -9vh; }
  .patreon-card--v5 { --card-offset: 5vh; }
  .patreon-card--v6 { --card-offset: -7vh; }
  .patreon-card--v7 { --card-offset: 6vh; }
  .patreon-card--v8 { --card-offset: -3vh; }
  .patreon-card--v9 { --card-offset: 7vh; }
  .patreon-card--v10 { --card-offset: -5vh; }
}

@media (max-width: 600px) {
  .community-heading--top {
    font-size: 3.2rem;
    line-height: 0.92;
  }

  .community-heading--bottom {
    font-size: 3.5rem;
    line-height: 0.92;
  }

  .patreon-editorial-copy {
    bottom: 16px;
    left: 16px;
    max-width: calc(100vw - 32px);
    background: rgba(102, 155, 188, 0.92);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 10px 14px;
    border-radius: 6px;
  }

  .patreon-card--v1 { --card-offset: 3vh; }
  .patreon-card--v2 { --card-offset: -4vh; }
  .patreon-card--v3 { --card-offset: 2vh; }
  .patreon-card--v4 { --card-offset: -5vh; }
  .patreon-card--v5 { --card-offset: 3vh; }
  .patreon-card--v6 { --card-offset: -4vh; }
  .patreon-card--v7 { --card-offset: 4vh; }
  .patreon-card--v8 { --card-offset: -2vh; }
  .patreon-card--v9 { --card-offset: 4vh; }
  .patreon-card--v10 { --card-offset: -3vh; }
}

/* Accessibility: Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  .patreon-slider-wrapper,
  .community-gallery {
    cursor: grab;
  }
}