/* HKC Shipping — Animations */

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  will-change: auto;
}

.reveal--delay-1 { transition-delay: 80ms; }
.reveal--delay-2 { transition-delay: 160ms; }
.reveal--delay-3 { transition-delay: 240ms; }
.reveal--delay-4 { transition-delay: 320ms; }
.reveal--delay-5 { transition-delay: 400ms; }

/* Full section entrance */
.reveal--section {
  opacity: 0;
  transform: translateY(56px);
  transition: opacity 0.85s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.85s cubic-bezier(0.22, 1, 0.36, 1);
}

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

.reveal--section.reveal--left {
  transform: translate(-36px, 48px);
}

.reveal--section.reveal--right {
  transform: translate(36px, 48px);
}

.reveal--section.reveal--left.is-visible,
.reveal--section.reveal--right.is-visible {
  transform: translate(0, 0);
}

.reveal--left:not(.reveal--section) {
  opacity: 0;
  transform: translateX(-40px);
}

.reveal--right:not(.reveal--section) {
  opacity: 0;
  transform: translateX(40px);
}

.reveal--left:not(.reveal--section).is-visible,
.reveal--right:not(.reveal--section).is-visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal--scale {
  opacity: 0;
  transform: scale(0.94);
}

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

/* Stagger children inside a section after it becomes visible */
.reveal-stagger > .reveal,
.reveal-stagger > .container > .reveal,
.reveal-stagger .reveal-child {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal-stagger.is-visible > .reveal,
.reveal-stagger.is-visible > .container > .reveal,
.reveal-stagger.is-visible .reveal-child {
  opacity: 1;
  transform: translateY(0);
}

.reveal-stagger.is-visible .reveal-child:nth-child(1) { transition-delay: 40ms; }
.reveal-stagger.is-visible .reveal-child:nth-child(2) { transition-delay: 100ms; }
.reveal-stagger.is-visible .reveal-child:nth-child(3) { transition-delay: 160ms; }
.reveal-stagger.is-visible .reveal-child:nth-child(4) { transition-delay: 220ms; }
.reveal-stagger.is-visible .reveal-child:nth-child(5) { transition-delay: 280ms; }
.reveal-stagger.is-visible .reveal-child:nth-child(6) { transition-delay: 340ms; }
.reveal-stagger.is-visible .reveal-child:nth-child(7) { transition-delay: 400ms; }
.reveal-stagger.is-visible .reveal-child:nth-child(8) { transition-delay: 460ms; }

/* Milestone media settles in slightly after text */
.timeline__item.reveal .timeline__media {
  opacity: 0;
  transform: scale(0.96);
  transition: opacity var(--transition-slow) ease-out,
    transform var(--transition-slow) ease-out;
  transition-delay: 120ms;
}

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

/* Port pulse */
@keyframes port-pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.4);
    opacity: 0.6;
  }
}

.port-map__marker--active .port-map__dot {
  animation: port-pulse 2s ease-in-out infinite;
}

/* Route dash animation */
@keyframes route-dash {
  to {
    stroke-dashoffset: -20;
  }
}

.port-map__route {
  stroke-dasharray: 6 6;
  animation: route-dash 1.5s linear infinite;
}

/* Marquee */
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.trusted-by__track {
  animation: marquee 30s linear infinite;
}

.trusted-by:hover .trusted-by__track {
  animation-play-state: paused;
}

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

.hero__stats {
  animation: float 6s ease-in-out infinite;
}

/* Fade in page */
@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.page-enter {
  animation: fade-in 0.4s ease-out;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal--section,
  .reveal--left,
  .reveal--right,
  .reveal--scale,
  .reveal-stagger > .reveal,
  .reveal-stagger > .container > .reveal,
  .reveal-stagger .reveal-child {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .trusted-by__track,
  .port-map__route,
  .hero__stats,
  .port-map__marker--active .port-map__dot {
    animation: none;
  }

  .team-card,
  .team-card__img,
  .team-card__media,
  .team-card__media::after,
  .team-card__name,
  .team-card__role {
    transition: none !important;
  }

  .team-card:hover {
    transform: none;
  }

  .team-card:hover .team-card__img {
    transform: none;
  }

  .project-card,
  .project-card__img,
  .project-card__media::after,
  .project-card .card__title {
    transition: none !important;
    animation: none !important;
  }

  .project-card:hover {
    transform: none;
  }

  .project-card:hover .project-card__img {
    transform: none;
  }

  html {
    scroll-behavior: auto;
  }
}