/* ================================================================
   THE ELEMENT — Animations & Scroll Reveal System
   ================================================================ */

/* ── Scroll Reveal Base ──────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0) translateX(0) scale(1);
}

/* Direction variants */
.reveal--up {
  transform: translateY(35px);
}
.reveal--down {
  transform: translateY(-35px);
}
.reveal--left {
  transform: translateX(40px);
}
.reveal--right {
  transform: translateX(-40px);
}
.reveal--scale {
  transform: scale(0.95);
}
.reveal--fade {
  transform: none;
}

/* Stagger delays */
.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;
}
.reveal-delay-5 {
  transition-delay: 0.5s;
}
.reveal-delay-6 {
  transition-delay: 0.6s;
}

/* ── Hero Entrance Animations ────────────────────────────────── */
@keyframes heroFadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroBadgeFade {
  from {
    opacity: 0;
    transform: translateY(-10px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

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

.hero__badge {
  animation: heroBadgeFade 0.6s ease-out 0.2s both;
}
.hero__title {
  animation: heroFadeUp 0.8s ease-out 0.4s both;
}
.hero__subtitle {
  animation: heroFadeUp 0.8s ease-out 0.6s both;
}
.hero__actions {
  animation: heroFadeUp 0.8s ease-out 0.8s both;
}
.hero__scroll-hint {
  animation: bounceDown 2s ease-in-out 1.5s infinite;
  opacity: 0;
  animation-fill-mode: both;
}

@keyframes bounceDown {
  0% {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
  50% {
    opacity: 1;
    transform: translateX(-50%) translateY(10px);
  }
  100% {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

/* ── Parallax Overlay Pulse ──────────────────────────────────── */
@keyframes subtleGlow {
  0%,
  100% {
    opacity: 0.65;
  }
  50% {
    opacity: 0.7;
  }
}
.hero__overlay {
  animation: subtleGlow 8s ease-in-out infinite;
}

/* ── Floating Animation (for decorative elements) ────────────── */
@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}
.float-anim {
  animation: float 4s ease-in-out infinite;
}

/* ── Pulse Ring (CTA emphasis) ───────────────────────────────── */
@keyframes pulseRing {
  0% {
    box-shadow: 0 0 0 0 rgba(26, 107, 79, 0.35);
  }
  70% {
    box-shadow: 0 0 0 12px rgba(26, 107, 79, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(26, 107, 79, 0);
  }
}
.pulse-ring {
  animation: pulseRing 2s ease infinite;
}

/* ── Card Hover Microinteractions ────────────────────────────── */
.trek-card-te,
.step-card-te,
.review-card-te,
.contact-card-te,
.stat-box {
  transition:
    transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── Button Microinteractions ────────────────────────────────── */
.btn-te-primary,
.btn-te-secondary,
.btn-te-orange {
  position: relative;
  overflow: hidden;
}
.btn-te-primary::before,
.btn-te-orange::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition:
    width 0.5s ease,
    height 0.5s ease;
}
.btn-te-primary:hover::before,
.btn-te-orange:hover::before {
  width: 300px;
  height: 300px;
}

/* ── Scroll-Triggered Counter Animation ──────────────────────── */
@keyframes countUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Image Load Fade In ──────────────────────────────────────── */
.img-reveal {
  opacity: 0;
  transition: opacity 0.6s ease;
}
.img-reveal.is-loaded {
  opacity: 1;
}

/* ── Accordion Smooth Open ───────────────────────────────────── */
.accordion-te .accordion-collapse {
  transition: height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── Gallery Item Entrance ───────────────────────────────────── */
.gallery-te__item {
  opacity: 0;
  transform: scale(0.95);
  transition:
    opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.gallery-te__item.is-visible {
  opacity: 1;
  transform: scale(1);
}

/* ── Timeline Scroll-Trigger Animations ──────────────────────── */
.timeline-te__item {
  opacity: 0.3;
  transform: translateX(-10px);
  transition:
    opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.timeline-te__item.is-active {
  opacity: 1;
  transform: translateX(0);
}

/* ── Nav Link Hover Underline Sweep ──────────────────────────── */
.navbar-te .nav-link::after {
  transition:
    width 0.35s cubic-bezier(0.16, 1, 0.3, 1),
    left 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── Topbar Slide Out ────────────────────────────────────────── */
.topbar {
  transition:
    transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
    opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── Success Page Icon Pop ───────────────────────────────────── */
@keyframes successPop {
  0% {
    transform: scale(0);
    opacity: 0;
  }
  60% {
    transform: scale(1.15);
    opacity: 1;
  }
  80% {
    transform: scale(0.95);
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}
.success-icon-te {
  animation: successPop 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.3s both;
}

/* ── Loading Skeleton (optional) ─────────────────────────────── */
@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}
.skeleton {
  background: linear-gradient(
    90deg,
    var(--te-slate-100) 25%,
    var(--te-slate-200) 50%,
    var(--te-slate-100) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--te-radius-sm);
}

/* ── Smooth Scroll Progress Reveal ───────────────────────────── */
.scroll-progress {
  transform-origin: left;
  animation: none;
}

/* ── Page Transition (body) ──────────────────────────────────── */
/* Subtle fade — only if user has no reduced-motion preference */
@media (prefers-reduced-motion: no-preference) {
  body {
    animation: pageFadeIn 0.35s ease-out both;
  }
}
@keyframes pageFadeIn {
  from {
    opacity: 0.6;
  }
  to {
    opacity: 1;
  }
}

/* ── 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 {
    opacity: 1;
    transform: none;
  }
  .hero__bg {
    background-attachment: scroll;
  }
}