/* ============================================================
   effects.css - particles, reveals, subtle interaction polish
   ============================================================ */

/* CLICK FEEDBACK */
.tap-flash {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 99997;
  pointer-events: none;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  border: 1px solid color-mix(in srgb, var(--game-accent, var(--accent)) 70%, transparent);
  background: color-mix(in srgb, var(--game-accent, var(--accent)) 18%, transparent);
  transform: translate(-50%, -50%) rotate(45deg);
  animation: tapFlash .32s ease-out forwards;
}
@keyframes tapFlash {
  to {
    width: 34px;
    height: 34px;
    opacity: 0;
    border-color: color-mix(in srgb, var(--game-accent, var(--accent)) 0%, transparent);
  }
}

/* PARTICLE CANVAS */
#particle-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

/* SCROLL REVEAL */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity .85s cubic-bezier(.2,.7,.2,1),
    transform .85s cubic-bezier(.2,.7,.2,1),
    border-color .22s,
    box-shadow .22s;
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* HERO GLITCH */
.hero-title {
  position: relative;
}
.hero-title.glitch::before,
.hero-title.glitch::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  font-family: inherit;
  font-size: inherit;
  font-weight: inherit;
  letter-spacing: inherit;
  line-height: inherit;
  white-space: pre-line;
  pointer-events: none;
}
.hero-title.glitch::before {
  color: rgba(0,255,200,.6);
  clip-path: polygon(0 15%, 100% 15%, 100% 35%, 0 35%);
  animation: glitchA .3s steps(2) forwards;
}
.hero-title.glitch::after {
  color: rgba(255,80,20,.5);
  clip-path: polygon(0 60%, 100% 60%, 100% 75%, 0 75%);
  animation: glitchB .3s steps(2) forwards;
}
@keyframes glitchA {
  0%   { transform: translateX(0); }
  25%  { transform: translateX(-6px) skewX(-2deg); }
  50%  { transform: translateX(4px); }
  75%  { transform: translateX(-2px) skewX(1deg); }
  100% { transform: translateX(0); }
}
@keyframes glitchB {
  0%   { transform: translateX(0); }
  25%  { transform: translateX(6px) skewX(2deg); }
  50%  { transform: translateX(-4px); }
  75%  { transform: translateX(2px) skewX(-1deg); }
  100% { transform: translateX(0); }
}

/* CARD HOVER LIGHT */
.mod-card,
.feat-item,
.game-card {
  position: relative;
  overflow: hidden;
}
.mod-card::after,
.feat-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 40%,
    color-mix(in srgb, var(--game-accent, var(--accent)) 5%, transparent) 50%,
    transparent 60%
  );
  transform: translateX(-100%);
  transition: transform .6s ease;
  pointer-events: none;
  z-index: 1;
}
.mod-card:hover::after,
.feat-item:hover::after {
  transform: translateX(100%);
}
.mod-card::before,
.game-card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  background: radial-gradient(
    220px circle at var(--mx, 50%) var(--my, 50%),
    color-mix(in srgb, var(--game-accent, var(--accent)) 13%, transparent),
    transparent 58%
  );
  transition: opacity .22s ease;
  z-index: 1;
}
.mod-card:hover::before,
.game-card:hover::after {
  opacity: 1;
}

/* FEATURED CARD BORDER GLOW ON HOVER */
.feat-item {
  transition:
    border-color .22s,
    transform .3s cubic-bezier(.4,0,.2,1),
    box-shadow .3s;
}
.feat-item:hover {
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--game-accent, var(--accent)) 22%, transparent),
              0 16px 48px rgba(0,0,0,.5);
}

/* HOME MENU */
.home-page .game-card {
  opacity: 1;
  animation: menuCardIn 1.35s cubic-bezier(.16,1,.3,1);
}
.home-page .game-card:nth-child(1) {
  animation-delay: .18s;
}
.home-page .game-card:nth-child(2) {
  animation-delay: .36s;
}
.home-page .game-card:nth-child(3) { animation-delay: .54s; }
.home-page .game-card:nth-child(4) { animation-delay: .72s; }
.home-page .game-card:nth-child(5) { animation-delay: .90s; }
.home-page .game-card:nth-child(6) { animation-delay: 1.08s; }
.home-page .game-card:nth-child(7) { animation-delay: 1.26s; }
.home-page .game-card:nth-child(8) { animation-delay: 1.44s; }
.home-page .game-card::before {
  animation: menuPulse 4.5s ease-in-out infinite;
}
.home-page .game-card.menu-ready {
  animation-name: menuCardIn;
}
.game-card-num {
  transition: opacity .4s, transform .4s;
  transform: scale(.9);
}
.game-card:hover .game-card-num {
  opacity: .14 !important;
  transform: scale(1.1);
}
@keyframes menuCardIn {
  from {
    opacity: 0;
    transform: translateY(34px) scale(.96);
    filter: blur(10px);
  }
  58% {
    opacity: 1;
    filter: blur(0);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}
@keyframes menuPulse {
  0%, 100% { opacity: .12; }
  50%      { opacity: .42; }
}

/* MODAL OPEN ANIMATION */
.modal-overlay.open .modal-box {
  animation: modalIn .3s cubic-bezier(.34,1.4,.64,1) both;
}
@keyframes modalIn {
  from { transform: scale(.94) translateY(16px); opacity: 0; }
  to   { transform: scale(1) translateY(0); opacity: 1; }
}

/* DOWNLOAD BUTTON PULSE */
.modal-dl-btn {
  animation: btnPulse 2.5s ease-in-out infinite;
}
.modal-dl-btn:hover { animation: none; }
@keyframes btnPulse {
  0%,100% { box-shadow: 0 0 20px color-mix(in srgb, var(--game-accent, var(--accent)) 20%, transparent); }
  50%     { box-shadow: 0 0 44px color-mix(in srgb, var(--game-accent, var(--accent)) 42%, transparent), 0 0 80px color-mix(in srgb, var(--game-accent, var(--accent)) 12%, transparent); }
}

/* NAV LINK UNDERLINE SLIDE */
.nav-link {
  position: relative;
}
.nav-link::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 14px;
  right: 14px;
  height: 1px;
  background: var(--game-accent, var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
}
.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

/* PAGE LOAD FADE IN */
.page {
  animation: pageFade .4s ease both;
}
@keyframes pageFade {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* SMALL HOVER STATES */
.logo {
  transition: text-shadow .3s;
}
.logo:hover {
  text-shadow: 0 0 20px color-mix(in srgb, var(--game-accent, var(--accent)) 42%, transparent);
}
.tag {
  transition: border-color .18s, color .18s, transform .18s, box-shadow .18s;
}
.tag:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px color-mix(in srgb, var(--game-accent, var(--accent)) 12%, transparent);
}
.sort-select:focus,
.hero-search:focus {
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--game-accent, var(--accent)) 18%, transparent);
}

@media (max-width: 768px) {
  .hero-title.glitch::before,
  .hero-title.glitch::after {
    display: none;
  }
}