/* =============================================================
   ANIMATIONS.CSS — Keyframes & Scroll Reveal
   ============================================================= */

/* ─── KEYFRAMES ─── */

@keyframes bounceDown {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(8px); }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.93);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

/* ─── HERO ENTRANCE ANIMATIONS ─── */
.hero__name {
  animation: fadeInUp 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.2s both;
}

.hero__tagline {
  animation: fadeInUp 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.4s both;
}

.hero__socials {
  animation: fadeInUp 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.6s both;
}

.hero__scroll {
  animation: fadeIn 1s ease 1s both;
}

/* ─── SCROLL REVEAL SYSTEM ─── */
/* Elements start hidden and become visible via IntersectionObserver in animations.js */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* Delay variants */
.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }
.reveal--delay-4 { transition-delay: 0.4s; }
.reveal--delay-5 { transition-delay: 0.5s; }

/* Direction variants */
.reveal--left {
  transform: translateX(-28px);
}

.reveal--right {
  transform: translateX(28px);
}

.reveal--left.reveal--visible,
.reveal--right.reveal--visible {
  transform: translateX(0);
}

.reveal--scale {
  transform: scale(0.94);
}

.reveal--scale.reveal--visible {
  transform: scale(1);
}

/* ─── IMAGE PARALLAX (optional) ─── */
.parallax-img {
  will-change: transform;
}

/* ─── HOVER GLOW ─── */
.glow-accent:hover {
  box-shadow: var(--shadow-accent);
}

/* ─── LOADING SHIMMER (for async content) ─── */
@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-card) 25%,
    var(--color-dark-3) 50%,
    var(--bg-card) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

/* ─── SCROLL PROGRESS BAR (optional top bar) ─── */
#scrollProgress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: var(--color-accent);
  z-index: var(--z-modal);
  transition: width 0.1s linear;
}