/* PSY Gabovski — subtle interaction layer */
:root {
  --motion-fast: 180ms;
  --motion-base: 420ms;
  --motion-slow: 700ms;
  --ease-soft: cubic-bezier(.22,.61,.36,1);
  --ease-spring: cubic-bezier(.16,1,.3,1);
}

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: no-preference) {
  body { overflow-x: hidden; }

  .pg-reveal {
    opacity: 0;
    transform: translateY(24px);
    transition:
      opacity var(--motion-slow) var(--ease-soft),
      transform var(--motion-slow) var(--ease-soft);
    transition-delay: var(--reveal-delay, 0ms);
  }

  .pg-reveal.is-visible {
    opacity: 1;
    transform: none;
  }

  .pg-stagger > * {
    opacity: 0;
    transform: translateY(18px);
  }

  .pg-stagger.is-visible > * {
    animation: pg-rise var(--motion-slow) var(--ease-soft) both;
  }

  .pg-stagger.is-visible > *:nth-child(2) { animation-delay: 70ms; }
  .pg-stagger.is-visible > *:nth-child(3) { animation-delay: 140ms; }
  .pg-stagger.is-visible > *:nth-child(4) { animation-delay: 210ms; }
  .pg-stagger.is-visible > *:nth-child(5) { animation-delay: 280ms; }
  .pg-stagger.is-visible > *:nth-child(6) { animation-delay: 350ms; }

  @keyframes pg-rise {
    from { opacity: 0; transform: translateY(18px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .pg-tilt {
    transition:
      transform var(--motion-base) var(--ease-spring),
      box-shadow var(--motion-base) var(--ease-soft);
    transform-style: preserve-3d;
    will-change: transform;
  }

  .pg-tilt:hover {
    box-shadow: 0 18px 50px rgba(38, 45, 39, .10);
  }

  .pg-image-reveal {
    overflow: hidden;
  }

  .pg-image-reveal img {
    transition: transform 900ms var(--ease-soft);
  }

  .pg-image-reveal:hover img { transform: scale(1.035); }

  .pg-link {
    position: relative;
    transition: color var(--motion-fast) ease;
  }

  .pg-link::after {
    content: "";
    position: absolute;
    left: 0;
    right: 100%;
    bottom: -4px;
    height: 1px;
    background: currentColor;
    transition: right var(--motion-base) var(--ease-soft);
  }

  .pg-link:hover::after,
  .pg-link:focus-visible::after {
    right: 0;
  }

  .pg-button {
    transition:
      transform var(--motion-fast) var(--ease-spring),
      box-shadow var(--motion-base) var(--ease-soft),
      background-color var(--motion-fast) ease;
  }

  .pg-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(38, 45, 39, .14);
  }

  .pg-button:active {
    transform: translateY(0) scale(.985);
  }

  .pg-floating {
    animation: pg-float 5s ease-in-out infinite;
  }

  @keyframes pg-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-7px); }
  }

  .pg-progress {
    position: fixed;
    z-index: 9999;
    top: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: #9a6f5a;
    transform-origin: left center;
    pointer-events: none;
  }

  .pg-backtop {
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px);
    transition:
      opacity var(--motion-base) var(--ease-soft),
      transform var(--motion-base) var(--ease-soft);
  }

  .pg-backtop.is-visible {
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }

  .pg-cursor-glow {
    position: fixed;
    z-index: 0;
    width: 240px;
    height: 240px;
    border-radius: 50%;
    pointer-events: none;
    background: radial-gradient(circle, rgba(184,169,154,.12), transparent 68%);
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 300ms ease;
  }

  body.pg-pointer-active .pg-cursor-glow { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}

/* Buttons: only the floating back-to-top control is circular. */
.pg-button, a.button, a.btn, button[type="submit"], .cta a, .hero a {
  border-radius: 12px !important;
}
.pg-backtop { border-radius: 50% !important; }

/* Mobile animation layer. */
@media (max-width: 768px) {
  .pg-reveal {
    opacity: 0;
    transform: translateY(18px);
    transition:
      opacity 560ms cubic-bezier(.22,.61,.36,1),
      transform 560ms cubic-bezier(.22,.61,.36,1);
    transition-delay: var(--reveal-delay, 0ms);
  }
  .pg-reveal.is-visible { opacity: 1; transform: none; }

  .pg-button, a.button, a.btn, button[type="submit"], .cta a, .hero a {
    border-radius: 12px !important;
    transition:
      transform 180ms cubic-bezier(.16,1,.3,1),
      box-shadow 300ms cubic-bezier(.22,.61,.36,1),
      background-color 180ms ease;
    -webkit-tap-highlight-color: transparent;
  }
  .pg-button:active, a.button:active, a.btn:active,
  button[type="submit"]:active, .cta a:active, .hero a:active {
    transform: scale(.975);
    box-shadow: 0 5px 14px rgba(38,45,39,.10);
  }
  .pg-image-reveal img {
    transition: transform 700ms cubic-bezier(.22,.61,.36,1);
  }
  .pg-image-reveal:active img { transform: scale(1.02); }

  .pg-backtop {
    width: 46px !important;
    height: 46px !important;
    border-radius: 50% !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pg-reveal, .pg-reveal.is-visible, .pg-stagger > *,
  .pg-stagger.is-visible > *, .pg-image-reveal img,
  .pg-button, .pg-button:hover, .pg-button:active {
    animation: none !important;
    transition: none !important;
  }
}