/* =========================================
   ANIMATIONS — Fabrício Pacholok
   ========================================= */

/* ── Particle / gradient background ─── */
@keyframes gradientShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Hero overlay pulse */
@keyframes overlayPulse {
  0%, 100% { opacity: 0.65; }
  50%       { opacity: 0.75; }
}

/* Float */
@keyframes floatY {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-14px); }
}

/* Fade in up */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Fade in */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Scale in */
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.88); }
  to   { opacity: 1; transform: scale(1); }
}

/* Slide in left */
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-60px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* Slide in right */
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(60px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* Glow pulse */
@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 0px rgba(218,165,32,0); }
  50%       { box-shadow: 0 0 28px rgba(218,165,32,0.3); }
}

/* Wave text shimmer */
@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position:  200% center; }
}

/* ── Hero entrance ─────────────────── */
.hero__logo {
  animation: slideInLeft 0.8s cubic-bezier(.25,.8,.25,1) both;
}
.hero__photo {
  animation: scaleIn 0.9s cubic-bezier(.25,.8,.25,1) 0.2s both;
}
.hero__nav {
  animation: fadeInUp 0.8s cubic-bezier(.25,.8,.25,1) 0.25s both;
}
.hero__socials {
  animation: fadeInUp 0.8s cubic-bezier(.25,.8,.25,1) 0.4s both;
}
.hero__logo-bar {
  animation: fadeInUp 0.8s cubic-bezier(.25,.8,.25,1) 0.55s both;
}
.hero__subtitle {
  animation: fadeInUp 0.8s cubic-bezier(.25,.8,.25,1) 0.35s both;
}
.hero__right .hero__photo-main {
  animation: slideInRight 0.9s cubic-bezier(.25,.8,.25,1) 0.15s both,
             floatY 5s ease-in-out 1.1s infinite;
}

/* ── Button ripple ──────────────────── */
.btn-whatsapp, .btn-instagram {
  position: relative;
  overflow: hidden;
}
.btn-whatsapp::after, .btn-instagram::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0;
  height: 0;
  background: rgba(255,255,255,0.18);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.45s ease, height 0.45s ease, opacity 0.45s ease;
  opacity: 0;
  pointer-events: none;
}
.btn-whatsapp:active::after, .btn-instagram:active::after {
  width: 250px;
  height: 250px;
  opacity: 0;
}

/* ── Card shimmer on hover ──────────── */
.product-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(
    135deg,
    transparent 0%,
    rgba(255,255,255,0.04) 50%,
    transparent 100%
  );
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
  z-index: 1;
}
.product-card:hover::before { opacity: 1; }

/* ── Nav item underline slide ──────── */
.hero__nav-item::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gold);
  transition: width 0.35s cubic-bezier(.25,.8,.25,1);
}
.hero__nav-item:hover::after { width: 100%; }

/* ── Section label line ─────────────── */
.section-label::before {
  content: '';
  display: block;
  width: 32px;
  height: 2px;
  background: var(--gray-text);
  flex-shrink: 0;
}

/* ── Product card glow on hover ─────── */
.product-card:hover {
  animation: glowPulse 2s ease-in-out infinite;
}

/* ── Staggered card animations ──────── */
.products-grid .product-card:nth-child(1) { transition-delay: 0.0s; }
.products-grid .product-card:nth-child(2) { transition-delay: 0.05s; }
.products-grid .product-card:nth-child(3) { transition-delay: 0.10s; }
.products-grid .product-card:nth-child(4) { transition-delay: 0.15s; }

/* ── Scroll reveal stagger helpers ─── */
.stagger-1 { transition-delay: 0.05s !important; }
.stagger-2 { transition-delay: 0.12s !important; }
.stagger-3 { transition-delay: 0.19s !important; }
.stagger-4 { transition-delay: 0.26s !important; }
.stagger-5 { transition-delay: 0.33s !important; }