/* Keyframes */

@keyframes grain {
  0%   { background-position:   0px   0px; }
  20%  { background-position: -50px  30px; }
  40%  { background-position:  20px -40px; }
  60%  { background-position: -30px -20px; }
  80%  { background-position:  40px  10px; }
  100% { background-position:   0px   0px; }
}

@keyframes scrollLine {
  0%, 100% { opacity: 0.5; }
  50%       { opacity: 0.1; }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes revealText {
  from { clip-path: inset(0 100% 0 0); }
  to   { clip-path: inset(0 0% 0 0); }
}

@keyframes cursorClickDot {
  0%  { scale: 1;    filter: brightness(1);  animation-timing-function: cubic-bezier(0.55, 0, 1, 0.45); }
  28% { scale: 0.25; filter: brightness(8);  animation-timing-function: cubic-bezier(0.34, 1.56, 0.64, 1); }
  100%{ scale: 1;    filter: brightness(1); }
}

@keyframes cursorClickRing {
  0%  { scale: 1;   filter: brightness(1);   animation-timing-function: cubic-bezier(0.55, 0, 1, 0.45); }
  28% { scale: 1.7; filter: brightness(2.5); animation-timing-function: cubic-bezier(0.34, 1.56, 0.64, 1); }
  100%{ scale: 1;   filter: brightness(1); }
}

@keyframes cursorRipple {
  0%   { width: 8px;  height: 8px;  border-width: 1.5px; opacity: 0.9; }
  100% { width: 88px; height: 88px; border-width: 0.5px; opacity: 0;   }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* Scroll reveal */

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-stagger > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in-stagger.visible > *:nth-child(1) { transition-delay: 0ms;   opacity: 1; transform: none; }
.fade-in-stagger.visible > *:nth-child(2) { transition-delay: 80ms;  opacity: 1; transform: none; }
.fade-in-stagger.visible > *:nth-child(3) { transition-delay: 160ms; opacity: 1; transform: none; }
.fade-in-stagger.visible > *:nth-child(4) { transition-delay: 240ms; opacity: 1; transform: none; }
.fade-in-stagger.visible > *:nth-child(5) { transition-delay: 320ms; opacity: 1; transform: none; }
.fade-in-stagger.visible > *:nth-child(6) { transition-delay: 400ms; opacity: 1; transform: none; }

.project-item {
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.65s cubic-bezier(0.16, 1, 0.3, 1),
              padding var(--transition-slow);
}

.project-item.visible {
  opacity: 1;
  transform: translateX(0);
}

.skill-category {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.skill-category.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Hero text reveal */
.reveal-text {
  overflow: hidden;
}

.reveal-text .inner {
  display: block;
  animation: fadeUp 0.9s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.hero__label .inner  { animation-delay: 0.1s; }
.hero__name .inner   { animation-delay: 0.25s; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .fade-in,
  .project-item,
  .skill-category {
    opacity: 1;
    transform: none;
    transition: none;
  }
}