/* ============================================================
   SIERRA 3D STUDIO — Animations
   animations.css
   ============================================================ */

/* ── Keyframes ────────────────────────────────────────────── */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(32px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-32px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(32px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.92); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes slideUp {
  from { transform: translateY(100%); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 var(--clr-accent-glow); }
  50%       { box-shadow: 0 0 24px 8px var(--clr-accent-glow); }
}

@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position:  200% center; }
}

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

@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

@keyframes dash {
  to { stroke-dashoffset: 0; }
}

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.35); opacity: 0.7; }
}

@keyframes grid-flow {
  0% { transform: translateY(0); }
  100% { transform: translateY(40px); }
}

@keyframes tech-border-glow {
  0%, 100% { border-color: rgba(255, 107, 53, 0.25); box-shadow: 0 0 15px rgba(255, 107, 53, 0.08); }
  50% { border-color: rgba(255, 107, 53, 0.55); box-shadow: 0 0 30px rgba(255, 107, 53, 0.2); }
}

@keyframes scanline {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(1000%); }
}

/* ── Hero staggered entrance ──────────────────────────────── */
.hero-label   { animation: fadeInDown 0.6s ease 0.1s both; }
.hero-title   { animation: fadeInUp   0.8s ease 0.25s both; }
.hero-sub     { animation: fadeInUp   0.8s ease 0.45s both; }
.hero-cta     { animation: fadeInUp   0.8s ease 0.65s both; }
.hero-visual  { animation: scaleIn    1s   ease 0.3s both; }

/* ── Scroll-reveal (Intersection Observer) ────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.25,0.46,0.45,0.94),
              transform 0.7s cubic-bezier(0.25,0.46,0.45,0.94);
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-left.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-right.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.94);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-scale.is-visible {
  opacity: 1;
  transform: scale(1);
}

/* Staggered delay utilities */
.delay-1 { transition-delay: 0.1s !important; }
.delay-2 { transition-delay: 0.2s !important; }
.delay-3 { transition-delay: 0.3s !important; }
.delay-4 { transition-delay: 0.4s !important; }
.delay-5 { transition-delay: 0.5s !important; }
.delay-6 { transition-delay: 0.6s !important; }

/* ── Floating animation ───────────────────────────────────── */
.animate-float {
  animation: float 4s ease-in-out infinite;
}

/* ── Pulse glow ───────────────────────────────────────────── */
.animate-pulse-glow {
  animation: pulse-glow 2.5s ease-in-out infinite;
}

/* ── Loading shimmer skeleton ─────────────────────────────── */
.shimmer {
  background: linear-gradient(
    90deg,
    var(--clr-surface) 25%,
    var(--clr-surface-2) 50%,
    var(--clr-surface) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

/* ── Page transition ──────────────────────────────────────── */
.page-enter {
  animation: fadeIn 0.4s ease both;
}

/* ── Reduce motion preference ─────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal,
  .reveal-left,
  .reveal-right,
  .reveal-scale {
    opacity: 1;
    transform: none;
  }
}