/* ==========================================================
   Brandywine Tree & Shrub — Animations
   ========================================================== */

/* ── Scroll Reveal Base ── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity var(--dur-reveal) var(--ease-out),
    transform var(--dur-reveal) var(--ease-out);
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition:
    opacity var(--dur-reveal) var(--ease-out),
    transform var(--dur-reveal) var(--ease-out);
}

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

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition:
    opacity var(--dur-reveal) var(--ease-out),
    transform var(--dur-reveal) var(--ease-out);
}

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

.reveal-scale {
  opacity: 0;
  transform: scale(0.92);
  transition:
    opacity var(--dur-reveal) var(--ease-out),
    transform var(--dur-reveal) var(--ease-out);
}

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

/* Stagger children */
.stagger-children .reveal:nth-child(1) { transition-delay: 0ms; }
.stagger-children .reveal:nth-child(2) { transition-delay: 100ms; }
.stagger-children .reveal:nth-child(3) { transition-delay: 200ms; }
.stagger-children .reveal:nth-child(4) { transition-delay: 300ms; }
.stagger-children .reveal:nth-child(5) { transition-delay: 400ms; }
.stagger-children .reveal:nth-child(6) { transition-delay: 500ms; }

/* ── Hero Parallax (CSS Scroll-Driven Animation) ── */
@supports (animation-timeline: scroll()) {
  .hero-bg img {
    animation: hero-parallax linear;
    animation-timeline: scroll();
    animation-range: 0vh 100vh;
  }

  @keyframes hero-parallax {
    from { transform: scale(1) translateY(0); }
    to   { transform: scale(1.15) translateY(10%); }
  }

  .hero-overlay {
    animation: hero-overlay-fade linear;
    animation-timeline: scroll();
    animation-range: 0vh 100vh;
  }

  @keyframes hero-overlay-fade {
    from { opacity: 1; }
    to   { opacity: 0.3; }
  }
}

/* ── Hero Text Animation ── */
.hero-content > * {
  opacity: 0;
  animation: hero-fade-up 0.9s var(--ease-out) forwards;
}

.hero-content > *:nth-child(1) { animation-delay: 0.2s; }
.hero-content > *:nth-child(2) { animation-delay: 0.4s; }
.hero-content > *:nth-child(3) { animation-delay: 0.6s; }
.hero-content > *:nth-child(4) { animation-delay: 0.8s; }
.hero-content > *:nth-child(5) { animation-delay: 1s; }

@keyframes hero-fade-up {
  from {
    opacity: 0;
    transform: translateY(25px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Float ── */
@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%      { transform: translateX(-50%) translateY(-8px); }
}

/* ── Pulse Ring ── */
@keyframes pulse-ring {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.15); }
  100% { transform: scale(1); }
}

/* ── Counter Animation ── */
.count-up {
  display: inline-block;
}

/* ── Navbar Transition ── */
.navbar {
  transition:
    background var(--dur-normal) var(--ease-out),
    padding var(--dur-normal) var(--ease-out),
    box-shadow var(--dur-normal) var(--ease-out);
}

/* ── Service Card Stagger from Grid ── */
.services-grid.stagger-children .service-card {
  transition-delay: calc(var(--card-index, 0) * 100ms);
}

/* ── Gallery Hover ── */
.gallery-item {
  transition: box-shadow var(--dur-normal) var(--ease-out);
}

.gallery-item:hover {
  box-shadow: var(--shadow-lg);
}

/* ── Button Shimmer ── */
.btn-primary {
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -60%;
  width: 40%;
  height: 200%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.15),
    transparent
  );
  transform: skewX(-20deg);
  transition: left 0.6s var(--ease-out);
}

.btn-primary:hover::after {
  left: 120%;
}

/* ── Smooth Link Underline ── */
.footer-links a {
  position: relative;
}

.footer-links a::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--leaf-light);
  transition: width var(--dur-normal) var(--ease-out);
}

.footer-links a:hover::after {
  width: 100%;
}

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal-left,
  .reveal-right,
  .reveal-scale {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero-content > * {
    opacity: 1;
    animation: none;
  }

  .hero-scroll-indicator {
    animation: none;
  }

  .hero-phone svg {
    animation: none;
  }

  .btn-primary::after {
    display: none;
  }

  .gallery-item img {
    transition: none;
  }

  .hero-bg img {
    animation: none;
  }

  .hero-overlay {
    animation: none;
  }
}