/* ==========================================================================
   FAMOUS SOLUTIONS GROUP — OFFICIAL ENTRANCE SPLASH SCREEN
   ========================================================================== */

/* Anti-flicker: Immediately hide entrance screen if already visited in this session */
html.fs-skip-entrance #fs-entrance-screen {
  display: none !important;
}

/* Fullscreen Entrance Overlay */
#fs-entrance-screen {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 999999;
  background-color: #050811;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  user-select: none;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
}

#fs-entrance-screen.fade-out {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* Ambient Canvas */
#entrance-ambient-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

/* Skip Button (Top Right) */
.entrance-skip-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 10;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #94A3B8;
  padding: 0.45rem 0.95rem;
  border-radius: 9999px;
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s ease;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.entrance-skip-btn:hover {
  background: rgba(0, 71, 255, 0.25);
  border-color: rgba(0, 71, 255, 0.5);
  color: #FFF;
  transform: translateY(-1px);
}

/* Entrance Stage */
.entrance-stage-wrap {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  perspective: 1200px;
}

/* Standard Splash Logo Wrapper (Stationary, 220px standard entrance size) */
.fs-logo-wrapper {
  position: relative;
  width: 220px;
  max-width: 75vw;
  aspect-ratio: 900 / 727;
  transform-style: preserve-3d;
  cursor: default;
}

/* Radial Glow Halo behind Logo */
.fs-logo-glow-halo {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 85%;
  height: 85%;
  transform: translate(-50%, -50%) translateZ(-30px);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 71, 255, 0.55) 0%, rgba(255, 23, 23, 0.65) 35%, transparent 70%);
  filter: blur(32px);
  opacity: 0.55;
  pointer-events: none;
}

/* Logo Layers Stack */
.fs-logo-layers {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
}

.fs-logo-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  transform-style: preserve-3d;
}

.fs-logo-layer img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

/* ==========================================================================
   FAST & SMOOTH CHOREOGRAPHY
   ========================================================================== */

/* STEP 1: BLUE PILLARS - POP UP FROM BELOW (0.05s - 0.8s) */
.fs-layer-pillars {
  opacity: 0;
  transform: translateY(320px) scale(0.6) translateZ(20px);
}

#fs-entrance-screen.animating .fs-layer-pillars {
  animation: fsBluePillarsPop 0.75s cubic-bezier(0.16, 1, 0.3, 1) 0.05s forwards;
}

@keyframes fsBluePillarsPop {
  0% {
    opacity: 0;
    transform: translateY(340px) scale(0.6) translateZ(20px);
    filter: brightness(2) drop-shadow(0 0 50px #0047FF);
  }
  65% {
    opacity: 1;
    transform: translateY(-18px) scale(1.05) translateZ(25px);
    filter: brightness(1.2) drop-shadow(0 15px 35px rgba(0, 71, 255, 0.6));
  }
  85% {
    transform: translateY(4px) scale(0.98) translateZ(20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1) translateZ(20px);
    filter: brightness(1) drop-shadow(0 10px 25px rgba(0, 71, 255, 0.5));
  }
}

/* STEP 2: GREY WINGS - BUTTERFLY UNFURL & STAY (0.45s - 1.35s) */
.fs-layer-wing {
  opacity: 0;
}

.fs-layer-wing-left {
  transform-origin: 48% 52%;
  transform: rotateZ(-40deg) rotateY(80deg) scale(0.15) translateZ(10px);
}

.fs-layer-wing-right {
  transform-origin: 52% 52%;
  transform: rotateZ(40deg) rotateY(-80deg) scale(0.15) translateZ(10px);
}

#fs-entrance-screen.animating .fs-layer-wing-left {
  animation: fsLeftWingButterfly 0.9s cubic-bezier(0.2, 0.9, 0.3, 1) 0.45s forwards;
}

#fs-entrance-screen.animating .fs-layer-wing-right {
  animation: fsRightWingButterfly 0.9s cubic-bezier(0.2, 0.9, 0.3, 1) 0.45s forwards;
}

@keyframes fsLeftWingButterfly {
  0% { opacity: 0; transform: rotateZ(-40deg) rotateY(80deg) scale(0.15) translateZ(10px); }
  30% { opacity: 1; }
  60% { opacity: 1; transform: rotateZ(12deg) rotateY(-20deg) scale(1.06) translateZ(15px); }
  82% { opacity: 1; transform: rotateZ(-3deg) rotateY(8deg) scale(0.98) translateZ(10px); }
  100% { opacity: 1; transform: rotateZ(0deg) rotateY(0deg) scale(1) translateZ(10px); filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.5)); }
}

@keyframes fsRightWingButterfly {
  0% { opacity: 0; transform: rotateZ(40deg) rotateY(-80deg) scale(0.15) translateZ(10px); }
  30% { opacity: 1; }
  60% { opacity: 1; transform: rotateZ(-12deg) rotateY(20deg) scale(1.06) translateZ(15px); }
  82% { opacity: 1; transform: rotateZ(3deg) rotateY(-8deg) scale(0.98) translateZ(10px); }
  100% { opacity: 1; transform: rotateZ(0deg) rotateY(0deg) scale(1) translateZ(10px); filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.5)); }
}

/* STEP 3: SMOOTH RED FS - APPEARS SLOWLY ON TOP (1.05s - 2.0s) */
.fs-layer-fs {
  opacity: 0;
  transform: scale(0.9) translateZ(45px);
}

#fs-entrance-screen.animating .fs-layer-fs {
  animation: fsRedSlowReveal 0.95s cubic-bezier(0.16, 1, 0.3, 1) 1.05s forwards;
}

@keyframes fsRedSlowReveal {
  0% { opacity: 0; transform: scale(1.2) translateZ(60px); filter: drop-shadow(0 0 50px #FF1717) brightness(2); }
  45% { opacity: 0.85; filter: drop-shadow(0 16px 36px rgba(255, 23, 23, 0.65)) brightness(1.35); }
  100% { opacity: 1; transform: scale(1) translateZ(45px); filter: drop-shadow(0 12px 28px rgba(0, 0, 0, 0.85)) brightness(1); }
}

/* Diagonal Sheen pass */
.fs-sheen-sweep {
  position: absolute;
  top: 15%;
  left: 30%;
  width: 40%;
  height: 55%;
  background: linear-gradient(115deg, transparent 20%, rgba(255, 255, 255, 0.5) 50%, transparent 80%);
  transform: translateX(-150%) skewX(-25deg);
  pointer-events: none;
  opacity: 0;
}

#fs-entrance-screen.animating .fs-sheen-sweep {
  animation: fsSheenGlide 0.75s ease-in-out 1.7s forwards;
}

@keyframes fsSheenGlide {
  0% { opacity: 0; transform: translateX(-120%) skewX(-25deg); }
  35% { opacity: 0.9; }
  100% { opacity: 0; transform: translateX(180%) skewX(-25deg); }
}

/* STEP 4: FAMOUS SOLUTIONS TYPOGRAPHY (1.6s - 2.3s) */
.fs-layer-text {
  opacity: 0;
  transform: translateY(24px) translateZ(30px);
}

#fs-entrance-screen.animating .fs-layer-text {
  animation: fsTextReveal 0.7s cubic-bezier(0.16, 1, 0.3, 1) 1.6s forwards;
}

@keyframes fsTextReveal {
  0% { opacity: 0; transform: translateY(25px) scale(0.96) translateZ(30px); filter: blur(3px); }
  100% { opacity: 1; transform: translateY(0) scale(1) translateZ(30px); filter: blur(0); }
}

/* PERMANENT POST-ANIMATION VISIBILITY */
#fs-entrance-screen.finished .fs-layer-pillars,
#fs-entrance-screen.finished .fs-layer-wing,
#fs-entrance-screen.finished .fs-layer-wing-left,
#fs-entrance-screen.finished .fs-layer-wing-right,
#fs-entrance-screen.finished .fs-layer-fs,
#fs-entrance-screen.finished .fs-layer-text {
  opacity: 1 !important;
  visibility: visible !important;
}
#fs-entrance-screen.finished .fs-layer-pillars { transform: translateY(0) scale(1) translateZ(20px); }
#fs-entrance-screen.finished .fs-layer-wing-left { transform: rotateZ(0deg) rotateY(0deg) scale(1) translateZ(10px); }
#fs-entrance-screen.finished .fs-layer-wing-right { transform: rotateZ(0deg) rotateY(0deg) scale(1) translateZ(10px); }
#fs-entrance-screen.finished .fs-layer-fs { transform: scale(1) translateZ(45px); }
#fs-entrance-screen.finished .fs-layer-text { transform: translateY(0) scale(1) translateZ(30px); }

/* Entrance Footer Badge */
.fs-entrance-footer {
  position: absolute;
  bottom: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0;
  animation: fsFadeFooter 0.6s ease 2.2s forwards;
}

@keyframes fsFadeFooter {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.fs-prompt-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.35rem 0.95rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 9999px;
}

.fs-pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #FF1717;
  box-shadow: 0 0 10px #FF1717;
  animation: fsPulseDot 2s infinite ease-in-out;
}

@keyframes fsPulseDot {
  0%, 100% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.4); opacity: 1; }
}

.fs-prompt-text {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #F1F5F9;
}