/* ─────────────────────────────────────────────────────────────
   ZENTRA — Animations & Keyframes
   ───────────────────────────────────────────────────────────── */

/* ── Keyframes ─────────────────────────────────────────────── */

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

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

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

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

@keyframes fadeRight {
  from { opacity: 0; transform: translateX(-30px); }
  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 {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.5; }
}

@keyframes pulseBorder {
  0%, 100% { box-shadow: 0 0 0 0 rgba(200, 169, 110, 0.4); }
  50%       { box-shadow: 0 0 0 8px rgba(200, 169, 110, 0);  }
}

@keyframes shimmer {
  from { background-position: -200% center; }
  to   { background-position:  200% center; }
}

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

@keyframes blobFloat {
  0%, 100% { transform: translate(0, 0) scale(1);       }
  33%       { transform: translate(30px, -20px) scale(1.05); }
  66%       { transform: translate(-20px, 10px) scale(0.97); }
}

@keyframes heroTextIn {
  from { opacity: 0; transform: translateY(60px) skewY(3deg); }
  to   { opacity: 1; transform: translateY(0)    skewY(0deg); }
}

@keyframes badgePulse {
  0%, 100% { transform: scale(1);    }
  50%       { transform: scale(1.06); }
}

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

@keyframes toastOut {
  from { opacity: 1; transform: translateX(0);    }
  to   { opacity: 0; transform: translateX(110%); }
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.94) translateY(20px); }
  to   { opacity: 1; transform: scale(1)    translateY(0);    }
}

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

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

@keyframes lineGrow {
  from { width: 0; }
  to   { width: 100%; }
}

@keyframes gradientShift {
  0%   { background-position: 0% 50%;   }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%;   }
}

@keyframes float {
  0%, 100% { transform: translateY(0px);   }
  50%       { transform: translateY(-12px); }
}

@keyframes scrollIndicator {
  0%, 100% { transform: translateY(0);  opacity: 1;   }
  50%       { transform: translateY(8px); opacity: 0.4; }
}

/* ── Utility Animation Classes ─────────────────────────────── */

.animate-fade-in    { animation: fadeIn 0.5s ease forwards; }
.animate-fade-up    { animation: fadeUp 0.6s ease forwards; }
.animate-fade-down  { animation: fadeDown 0.5s ease forwards; }
.animate-fade-left  { animation: fadeLeft 0.6s ease forwards; }
.animate-fade-right { animation: fadeRight 0.6s ease forwards; }
.animate-scale-in   { animation: scaleIn 0.4s ease forwards; }
.animate-float      { animation: float 3s ease-in-out infinite; }
.animate-spin       { animation: spin 1s linear infinite; }
.animate-pulse      { animation: pulse 2s ease-in-out infinite; }

/* Staggered delays */
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }
.delay-600 { animation-delay: 0.6s; }
.delay-700 { animation-delay: 0.7s; }
.delay-800 { animation-delay: 0.8s; }

/* Start hidden for scroll-triggered animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.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; }

/* ── Shimmer Skeleton ──────────────────────────────────────── */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--surface-2) 25%,
    var(--surface-3) 50%,
    var(--surface-2) 75%
  );
  background-size: 200% auto;
  animation: shimmer 1.5s linear infinite;
  border-radius: 6px;
}

/* ── Loading Spinner ──────────────────────────────────────── */
.spinner {
  width: 24px;
  height: 24px;
  border: 2.5px solid rgba(200, 169, 110, 0.2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

.spinner-lg {
  width: 42px;
  height: 42px;
  border-width: 3px;
}

/* ── Product Card Hover ───────────────────────────────────── */
.card-hover {
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1),
              box-shadow 0.35s ease;
}
.card-hover:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35), 
              0 0 0 1px rgba(200, 169, 110, 0.2);
}

/* ── Image Zoom on Hover ─────────────────────────────────── */
.img-zoom {
  overflow: hidden;
}
.img-zoom img {
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.img-zoom:hover img {
  transform: scale(1.08);
}

/* ── Button Press ────────────────────────────────────────── */
.btn-press:active {
  transform: scale(0.97);
}