/* ==========================================================================
   FutureSeed Earth Foundation - 3D Flipping Box Showcase (Our Work)
   Original Reference Design with Modern 'Outfit' Display Typography & Scroll-Driven 3D Rotation
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@700;800;900&family=Plus+Jakarta+Sans:wght@700;800&family=Poppins:wght@600;700;800&family=Syne:wght@700;800&display=swap');

/* Pinned Scroll Track */
.fs-box-showcase-wrapper {
  position: relative;
  width: 100%;
  height: 420vh;
  /* Multi-screen scroll track for natural rotation */
  background-color: #dce8dc;
  transition: background-color 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* 100vh Sticky Viewport Pin */
.fs-box-showcase-pin {
  position: -webkit-sticky;
  position: sticky;
  top: 0;
  width: 100%;
  height: 100vh;
  height: 100svh;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
  font-family: 'Outfit', 'Plus Jakarta Sans', sans-serif;
  background-color: inherit;
  --w: clamp(280px, 44vw, 720px);
  --h: calc(var(--w) * 0.56);
}

/* ==========================================================================
   SECTION HEADER (Top-Left): "Our Work • Our Programs & Initiatives"
   ========================================================================== */
.fs-box-showcase-header {
  position: absolute;
  top: clamp(20px, 3.2vh, 36px);
  left: clamp(20px, 3.8vw, 48px);
  z-index: 25;
  pointer-events: auto;
}

.fs-box-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(11, 47, 35, 0.1);
  color: #0B2F23;
  border: 1px solid rgba(11, 47, 35, 0.2);
  border-radius: 50px;
  padding: 5px 14px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.fs-box-section-title {
  font-family: 'Poppins', 'Outfit', sans-serif;
  font-size: clamp(1.4rem, 2.3vw, 2.3rem);
  font-weight: 800;
  color: #0B2F23;
  margin: 0;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

/* ==========================================================================
   3D ISOMETRIC STAGE & BOX (Center / Right Offset)
   ========================================================================== */
.fs-box-stage {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 1800px;
  pointer-events: none;
  z-index: 5;
}

@media (min-width: 768px) {
  .fs-box-stage {
    transform: translateX(12%);
  }
}

/* Isometric Tilt Group - Silky GPU Accelerated Scale & Tilt on Hover */
.fs-box-tilt-group {
  transform-style: preserve-3d;
  transform: rotateX(-20deg) rotateY(24deg);
  pointer-events: auto;
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
  will-change: transform;
}

.fs-box-tilt-group:hover {
  transform: rotateX(-18deg) rotateY(22deg) scale3d(1.025, 1.025, 1.025);
}

/* Dynamic Rotating Box Element - Clean GPU transform with zero heavy filter lag */
.fs-box-rotor {
  position: relative;
  cursor: pointer;
  transform-style: preserve-3d;
  width: var(--w);
  height: var(--h);
  outline: none;
  will-change: transform;
}

.fs-box-rotor:focus-visible {
  outline: 3px solid #1bbd36;
  outline-offset: 8px;
}

/* 4 Main Rotating Faces (0, 90, 180, 270 deg) */
.fs-box-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform: translateZ(0);
  will-change: transform;
}

.fs-box-face-inner {
  height: 100%;
  width: 100%;
  border-radius: 18px;
  background-color: #0a0a0a;
  padding: 1.4%;
  overflow: hidden;
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.3);
  transition: box-shadow 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
  transform: translateZ(0);
}

.fs-box-rotor:hover .fs-box-face-inner {
  box-shadow: 0 25px 55px rgba(0, 0, 0, 0.45);
}

.fs-box-face-inner img {
  height: 100%;
  width: 100%;
  border-radius: 14px;
  object-fit: cover;
  display: block;
  pointer-events: none;
  transition: filter 0.3s ease;
}

.fs-box-rotor:hover .fs-box-face-inner img {
  filter: brightness(1.06);
}

/* Side End Caps */
.fs-box-side-cap {
  position: absolute;
  top: 0;
  width: var(--h);
  height: var(--h);
  left: calc(50% - (var(--h) / 2));
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  background: linear-gradient(135deg, #2a2a2a 0%, #0a0a0a 55%, #3a3a3a 100%);
  border-radius: 18px;
  box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.8);
}

/* ==========================================================================
   LEFT DYNAMIC NAVIGATION TYPOGRAPHY (3D Pop Extruded Sticker Style)
   ========================================================================== */
.fs-box-nav {
  position: absolute;
  left: 0;
  top: clamp(95px, 13vh, 130px);
  height: calc(100% - clamp(115px, 15vh, 150px));
  z-index: 10;
  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
  padding-left: clamp(1.2rem, 3.8vw, 48px);
  padding-right: 1.2rem;
  max-width: 65vw;
  pointer-events: none; /* Allows cursor to pass through transparent empty areas */
}

.fs-box-nav-btn {
  background: transparent;
  border: none;
  padding: 4px 0;
  margin: 0;
  cursor: pointer;
  text-align: left;
  font-family: 'Outfit', 'Plus Jakarta Sans', sans-serif;
  font-weight: 900;
  text-transform: uppercase;
  line-height: 1.1;
  letter-spacing: 0.05em; /* Clear space so letters never overlap */
  word-spacing: 0.22em;
  white-space: nowrap;
  font-size: clamp(1.5rem, 5.4vh, 4.2rem);
  color: #ffffff;
  outline: none;
  pointer-events: auto;
  user-select: none;
  opacity: 0.62;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.35s ease, text-shadow 0.35s ease;
  transform-origin: left center;
  /* 3D Layered Extrusion: Dark Outline + Depth + Cyan Stripe + Magenta Stripe + Drop Shadow */
  text-shadow:
    -2px -2px 0 #121212,
     2px -2px 0 #121212,
    -2px  2px 0 #121212,
     2px  2px 0 #121212,
    -1px -2px 0 #121212,
     1px -2px 0 #121212,
    -2px -1px 0 #121212,
     2px -1px 0 #121212,
    -2px  1px 0 #121212,
     2px  1px 0 #121212,
     0px  3px 0 #121212,
     0px  4px 0 #121212,
     0px  5px 0 #00f0ff,
     0px  6px 0 #00f0ff,
     0px  7px 0 #121212,
     0px  8px 0 #ff007f,
     0px  9px 0 #ff007f,
     0px 14px 20px rgba(0, 0, 0, 0.35);
}

.fs-box-nav-btn:hover {
  opacity: 0.92;
  transform: translateX(10px) translateY(-2px);
}

.fs-box-nav-btn.active {
  opacity: 1;
  transform: translateX(16px) translateY(-4px);
  text-shadow:
    -2px -2px 0 #0d0d0d,
     2px -2px 0 #0d0d0d,
    -2px  2px 0 #0d0d0d,
     2px  2px 0 #0d0d0d,
    -1px -2px 0 #0d0d0d,
     1px -2px 0 #0d0d0d,
    -2px -1px 0 #0d0d0d,
     2px -1px 0 #0d0d0d,
    -2px  1px 0 #0d0d0d,
     2px  1px 0 #0d0d0d,
     0px  3px 0 #0d0d0d,
    -1px  3px 0 #0d0d0d,
     1px  3px 0 #0d0d0d,
     0px  4px 0 #0d0d0d,
    -1px  4px 0 #0d0d0d,
     1px  4px 0 #0d0d0d,
     0px  5px 0 #0d0d0d,
     0px  6px 0 #00f0ff,
    -1px  6px 0 #00f0ff,
     1px  6px 0 #00f0ff,
     0px  7px 0 #00f0ff,
     0px  8px 0 #0d0d0d,
     0px  9px 0 #ff007f,
    -1px  9px 0 #ff007f,
     1px  9px 0 #ff007f,
     0px 10px 0 #ff007f,
     0px 11px 0 #0d0d0d,
     0px 18px 28px rgba(0, 0, 0, 0.45);
}

/* ==========================================================================
   TOP RIGHT PILLS & BOTTOM RIGHT FOOTER
   ========================================================================== */
.fs-box-top-pills {
  position: absolute;
  right: clamp(14px, 3vw, 36px);
  top: clamp(16px, 3.2vh, 36px);
  z-index: 20;
  display: flex;
  gap: 8px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-family: 'Outfit', sans-serif;
}

.fs-box-pill-brand {
  border-radius: 9999px;
  background-color: #ffffff;
  color: #000000;
  padding: 8px 18px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
}

.fs-box-pill-cta {
  border-radius: 9999px;
  background-color: #ffffff;
  color: #000000;
  padding: 8px 18px;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
  transition: all 0.2s ease;
}

.fs-box-pill-cta:hover {
  background-color: #1bbd36;
  color: #ffffff;
  transform: translateY(-1px);
}

.fs-box-footer-meta {
  position: absolute;
  bottom: clamp(14px, 2.5vw, 24px);
  right: clamp(14px, 3vw, 36px);
  z-index: 20;
  text-align: right;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #000000;
  font-family: 'Outfit', sans-serif;
  pointer-events: none;
}

/* Mobile Responsive */
@media (max-width: 767px) {
  .fs-box-showcase-pin {
    --w: clamp(240px, 82vw, 360px);
    --h: calc(var(--w) * 0.58);
  }

  .fs-box-showcase-header {
    top: 14px;
    left: 16px;
  }

  .fs-box-section-title {
    font-size: 1.25rem;
  }

  .fs-box-top-pills {
    top: 14px;
    right: 14px;
  }

  .fs-box-stage {
    transform: translateY(18%);
  }

  .fs-box-nav {
    top: 95px;
    height: calc(100% - 130px);
    padding-left: 1rem;
  }

  .fs-box-nav-btn {
    font-size: clamp(1.2rem, 4vh, 2.1rem);
    letter-spacing: 0.04em;
    text-shadow:
      -1.5px -1.5px 0 #121212,
       1.5px -1.5px 0 #121212,
      -1.5px  1.5px 0 #121212,
       1.5px  1.5px 0 #121212,
       0px  2px 0 #121212,
       0px  3.5px 0 #00f0ff,
       0px  5px 0 #ff007f,
       0px  8px 12px rgba(0, 0, 0, 0.35);
  }
}