/* ═══════════════════════════════════════════════════
   DIGITAL DENTAL ZONE — Animations
   Performance: All entrances complete within ~1s
   ═══════════════════════════════════════════════════ */

/* ── Scroll Reveal Base States ── */
.reveal,
.reveal-left,
.reveal-right,
.reveal-scale {
  opacity: 0;
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
  will-change: opacity, transform;
}

.reveal       { transform: translateY(30px); }
.reveal-left  { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }
.reveal-scale { transform: scale(0.92); }

/* ── Revealed State ── */
.reveal.revealed,
.reveal-left.revealed,
.reveal-right.revealed,
.reveal-scale.revealed {
  opacity: 1;
  transform: none;
  will-change: auto;
}

/* ── Stagger Children ── */
.stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}
.stagger.revealed > *:nth-child(1) { transition-delay: 0.05s; }
.stagger.revealed > *:nth-child(2) { transition-delay: 0.12s; }
.stagger.revealed > *:nth-child(3) { transition-delay: 0.19s; }
.stagger.revealed > *:nth-child(4) { transition-delay: 0.26s; }
.stagger.revealed > *:nth-child(5) { transition-delay: 0.33s; }
.stagger.revealed > *:nth-child(6) { transition-delay: 0.40s; }
.stagger.revealed > *:nth-child(7) { transition-delay: 0.47s; }
.stagger.revealed > * {
  opacity: 0;
  transform: translateY(20px);
}
.stagger.revealed > * {
  opacity: 1;
  transform: translateY(0);
}

/* ── Hero Entrance ── */
.hero-animate {
  opacity: 0;
  transform: translateY(24px);
  animation: heroFadeIn 0.7s var(--ease-out) forwards;
}
.hero-animate:nth-child(1) { animation-delay: 0.08s; }
.hero-animate:nth-child(2) { animation-delay: 0.16s; }
.hero-animate:nth-child(3) { animation-delay: 0.35s; }
.hero-animate:nth-child(4) { animation-delay: 0.45s; }
.hero-animate:nth-child(5) { animation-delay: 0.55s; }

@keyframes heroFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Hero Title Kinetic Typography ── */
.hero-title-animated .hero-title-line {
  display: block;
  opacity: 0;
  transform: translateY(22px);
  animation: heroLineGlaze 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  will-change: transform, opacity, filter;
}

.hero-title-animated .line-1 {
  animation-delay: 0.2s;
}

.hero-title-animated .line-2 {
  animation-delay: 0.35s;
}

.hero-title-animated .line-3 {
  animation-delay: 0.5s;
}

@keyframes heroLineGlaze {
  0% {
    opacity: 0;
    transform: translateY(22px);
    filter: blur(5px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

/* ── Hero Accent Shimmer Glow (Expert Care) ── */
.hero-title-animated .line-3 em {
  display: inline-block;
  background: linear-gradient(
    115deg,
    #e8849a 0%,
    #ffffff 22%,
    #e8849a 45%,
    #fca5b9 70%,
    #c4485e 100%
  );
  background-size: 220% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 2px 14px rgba(232, 132, 154, 0.4));
  animation: heroAccentShimmer 5s ease-in-out infinite;
  animation-delay: 1.1s;
  transition: filter 0.3s ease, transform 0.3s ease;
}

.hero-title-animated:hover .line-3 em {
  filter: drop-shadow(0 4px 22px rgba(232, 132, 154, 0.7));
  transform: translateY(-1px);
}

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

/* ── Hero Visual (image) ── */
.hero-visual-animate {
  opacity: 0;
  transform: translateX(40px) scale(0.95);
  animation: heroVisualIn 0.8s var(--ease-out) 0.3s forwards;
}

@keyframes heroVisualIn {
  to {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

/* ── Floating Badges ── */
.float-slow {
  animation: floatSlow 6s ease-in-out infinite;
}
.float-med {
  animation: floatMed 4s ease-in-out infinite;
}

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

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

/* ── Pulse Glow (WhatsApp button) ── */
@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5); }
  50%      { box-shadow: 0 0 0 12px rgba(37, 211, 102, 0); }
}

/* ── Gradient Shimmer ── */
@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}

/* ── Counter Number Pop ── */
@keyframes counterPop {
  0%   { transform: scale(0.5); opacity: 0; }
  70%  { transform: scale(1.05); }
  100% { transform: scale(1); opacity: 1; }
}

/* ── Card Hover Lift ── */
.hover-lift {
  transition: transform var(--duration-normal) var(--ease-out),
              box-shadow var(--duration-normal) var(--ease-out);
}
.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
}

/* ── Nav Scroll Shrink ── */
nav.scrolled {
  padding-top: 12px;
  padding-bottom: 12px;
  background: rgba(58, 11, 22, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

/* ── Accordion Animation ── */
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease-out), padding 0.4s var(--ease-out);
}
.faq-item.active .faq-answer {
  max-height: 300px;
  padding-top: 12px;
}
.faq-icon {
  transition: transform 0.3s var(--ease-out);
}
.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

/* ── Before/After Slider ── */
.ba-slider-handle {
  transition: left 0s;
}
.ba-overlay {
  transition: clip-path 0s;
}

/* ── Mobile Menu ── */
.nav-links.open {
  animation: slideDown 0.35s var(--ease-out) forwards;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Reduce motion for accessibility ── */
@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;
  }
  .stagger > * {
    opacity: 1;
    transform: none;
  }
}