/* ============================================
   Animations — Scroll Reveals & Hover Effects
   ============================================ */

/* --- Scroll Reveal Animations --- */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

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

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

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

.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

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

/* Stagger children in a container */
.stagger > *:nth-child(1) { transition-delay: 0.05s; }
.stagger > *:nth-child(2) { transition-delay: 0.12s; }
.stagger > *:nth-child(3) { transition-delay: 0.19s; }
.stagger > *:nth-child(4) { transition-delay: 0.26s; }
.stagger > *:nth-child(5) { transition-delay: 0.33s; }
.stagger > *:nth-child(6) { transition-delay: 0.40s; }
.stagger > *:nth-child(7) { transition-delay: 0.47s; }
.stagger > *:nth-child(8) { transition-delay: 0.54s; }

/* --- Hero Entry Animation (CSS only, no JS) --- */

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

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

.hero__title {
  animation: heroFadeUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.2s both;
}

.hero__subtitle {
  animation: heroFadeUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.4s both;
}

.hero__actions {
  animation: heroFadeUp 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.6s both;
}

.hero__badge {
  animation: heroFadeIn 0.6s ease 0.8s both;
}

/* --- Floating WhatsApp Pulse --- */

@keyframes fabPulse {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5); }
  70% { box-shadow: 0 0 0 18px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* --- Gradient Shimmer (for hero background) --- */

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

@keyframes heroScrollCue {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

@keyframes floatDrift {
  0%, 100% { transform: translate3d(0, 0, 0); }
  50% { transform: translate3d(0, -10px, 0); }
}

@keyframes orbDriftA {
  0%   { transform: translate3d(0, 0, 0) scale(1); }
  33%  { transform: translate3d(12px, -18px, 0) scale(1.08); }
  66%  { transform: translate3d(-8px, -8px, 0) scale(0.95); }
  100% { transform: translate3d(0, 0, 0) scale(1); }
}
@keyframes orbDriftB {
  0%   { transform: translate3d(0, 0, 0) scale(1); }
  40%  { transform: translate3d(-14px, 10px, 0) scale(1.06); }
  70%  { transform: translate3d(10px, -6px, 0) scale(0.97); }
  100% { transform: translate3d(0, 0, 0) scale(1); }
}
@keyframes orbDriftC {
  0%   { transform: translate3d(0, 0, 0) scale(1); }
  50%  { transform: translate3d(8px, 14px, 0) scale(1.1); }
  100% { transform: translate3d(0, 0, 0) scale(1); }
}
@keyframes heroGlowPulse {
  0%, 100% { opacity: 0.45; transform: scale(1); }
  50%       { opacity: 0.65; transform: scale(1.06); }
}

/* --- Hover Effects --- */

.hover-lift {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}

.hover-glow {
  transition: box-shadow var(--transition-base);
}

.hover-glow:hover {
  box-shadow: 0 0 30px rgba(123, 47, 242, 0.25);
}

.hover-scale {
  transition: transform var(--transition-fast);
}

.hover-scale:hover {
  transform: scale(1.05);
}

/* --- Nav Scroll Effect --- */

.nav {
  transition: background-color var(--transition-base),
              box-shadow var(--transition-base),
              backdrop-filter var(--transition-base);
}

.nav.scrolled {
  background-color: rgba(26, 26, 46, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
}

/* While the mobile menu is open, drop backdrop-filter on .nav.
   backdrop-filter creates a containing block, which traps the
   fixed-position menu overlay inside the nav bar. */
.nav.menu-open,
.nav.menu-open.scrolled {
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  background-color: transparent;
  box-shadow: none;
}

.designer-promo__chip {
  animation: floatDrift 12s ease-in-out infinite;
}

.designer-promo__chip--bottom {
  animation-delay: 2.5s;
}

.designer-promo__chip--top {
  animation-delay: 1.5s;
}

/* --- Reduced Motion --- */

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

  .reveal,
  .reveal-left,
  .reveal-right,
  .reveal-scale {
    opacity: 1;
    transform: none;
  }
}