/* ========================================
   ANIMATIONS.CSS — Animation System
   ======================================== */

/* ——— Reveal Animations ——— */
/* Progressive enhancement: content visible by default */
.reveal {
  opacity: 1;
  transform: none;
}

/* Only hide when JS is enabled and animations are supported */
.js .reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 700ms var(--ease-out-expo), transform 700ms var(--ease-out-expo);
}

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

.reveal-left {
  opacity: 1;
  transform: none;
}

.js .reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 700ms var(--ease-out-expo), transform 700ms var(--ease-out-expo);
}

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

.reveal-right {
  opacity: 1;
  transform: none;
}

.js .reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 700ms var(--ease-out-expo), transform 700ms var(--ease-out-expo);
}

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

.reveal-scale {
  opacity: 1;
  transform: none;
}

.js .reveal-scale {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 700ms var(--ease-out-expo), transform 700ms var(--ease-out-expo);
}

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

/* Stagger delays */
.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }
.reveal-delay-4 { transition-delay: 400ms; }
.reveal-delay-5 { transition-delay: 500ms; }
.reveal-delay-6 { transition-delay: 600ms; }
.reveal-delay-7 { transition-delay: 700ms; }
.reveal-delay-8 { transition-delay: 800ms; }

/* ——— Clip Path Reveal ——— */
.clip-reveal {
  clip-path: none;
}

.js .clip-reveal {
  clip-path: inset(100% 0 0 0);
  transition: clip-path 1000ms var(--ease-out-expo);
}

.js .clip-reveal.is-visible {
  clip-path: inset(0 0 0 0);
}

.clip-reveal-horizontal {
  clip-path: none;
}

.js .clip-reveal-horizontal {
  clip-path: inset(0 100% 0 0);
  transition: clip-path 1000ms var(--ease-out-expo);
}

.js .clip-reveal-horizontal.is-visible {
  clip-path: inset(0 0 0 0);
}

/* ——— Number Counter ——— */
.counter {
  display: inline-block;
}

.counter-value {
  display: inline-block;
}

/* ——— Text Reveal (Character/Word) ——— */
.text-reveal {
  overflow: hidden;
  display: inline-block;
}

.text-reveal .reveal-word,
.text-reveal .reveal-char {
  display: inline-block;
  opacity: 1;
  transform: none;
}

.js .text-reveal .reveal-word,
.js .text-reveal .reveal-char {
  opacity: 0;
  transform: translateY(100%);
  transition: opacity 500ms var(--ease-out-expo), transform 500ms var(--ease-out-expo);
}

.js .text-reveal.is-visible .reveal-word,
.js .text-reveal.is-visible .reveal-char {
  opacity: 1;
  transform: translateY(0);
}

/* ——— Image Reveal ——— */
.image-reveal {
  position: relative;
  overflow: hidden;
}

.image-reveal::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-bg-dark);
  z-index: 1;
  transform: scaleX(0);
  transform-origin: right;
}

.js .image-reveal::before {
  transform: scaleX(1);
  transform-origin: left;
  transition: transform 1000ms var(--ease-out-expo);
}

.js .image-reveal.is-visible::before {
  transform: scaleX(0);
  transform-origin: right;
}

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

.js .image-reveal img {
  opacity: 0;
  transform: scale(1.1);
  transition: opacity 800ms var(--ease-out-expo), transform 1200ms var(--ease-out-expo);
  transition-delay: 200ms;
}

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

/* ——— Parallax ——— */
.parallax {
  will-change: transform;
}

/* ——— Floating Animation ——— */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

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

.float-slow {
  animation: float 8s ease-in-out infinite;
}

.float-delayed {
  animation-delay: 2s;
}

/* ——— Pulse ——— */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.pulse {
  animation: pulse 3s ease-in-out infinite;
}

/* ——— Shimmer ——— */
@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.shimmer {
  position: relative;
  overflow: hidden;
}

.shimmer::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  animation: shimmer 2s infinite;
}

/* ——— Line Draw ——— */
.line-draw {
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  animation: line-draw 1500ms var(--ease-out-expo) forwards;
}

@keyframes line-draw {
  to { stroke-dashoffset: 0; }
}

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

@keyframes fade-out {
  from { opacity: 1; }
  to { opacity: 0; }
}

.animate-fade-in {
  animation: fade-in 500ms var(--ease-out-expo) forwards;
}

.animate-fade-out {
  animation: fade-out 300ms var(--ease-in-out) forwards;
}

/* ——— Slide Up/Down ——— */
@keyframes slide-up {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slide-down {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-slide-up {
  animation: slide-up 500ms var(--ease-out-expo) forwards;
}

.animate-slide-down {
  animation: slide-down 500ms var(--ease-out-expo) forwards;
}

/* ——— Scale In/Out ——— */
@keyframes scale-in {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes scale-out {
  from { opacity: 1; transform: scale(1); }
  to { opacity: 0; transform: scale(0.95); }
}

.animate-scale-in {
  animation: scale-in 300ms var(--ease-out-expo) forwards;
}

.animate-scale-out {
  animation: scale-out 200ms var(--ease-in-out) forwards;
}

/* ——— Reduced Motion ——— */
@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal-left,
  .reveal-right,
  .reveal-scale,
  .clip-reveal,
  .clip-reveal-horizontal,
  .image-reveal::before,
  .image-reveal img,
  .text-reveal .reveal-word,
  .text-reveal .reveal-char,
  .counter-value,
  .float,
  .float-slow,
  .pulse,
  .shimmer::after,
  .line-draw,
  .hero-name-line,
  .hero-name-nepali,
  .hero-cta,
  .stagger-list > * {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
    clip-path: none !important;
  }

  .reveal,
  .reveal-left,
  .reveal-right,
  .reveal-scale,
  .hero-name-line,
  .hero-name-nepali,
  .hero-cta,
  .stagger-list > * {
    opacity: 1;
    transform: none;
  }

  .clip-reveal,
  .clip-reveal-horizontal {
    clip-path: none;
  }

  .image-reveal::before {
    display: none;
  }

  .image-reveal img {
    opacity: 1;
    transform: none;
  }

  .text-reveal .reveal-word,
  .text-reveal .reveal-char {
    opacity: 1;
    transform: none;
  }
}

/* ——— Hover Animations ——— */
.hover-lift {
  transition: transform var(--transition-base) var(--ease-out-expo), box-shadow var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.hover-scale {
  transition: transform var(--transition-base) var(--ease-out-expo);
}

.hover-scale:hover {
  transform: scale(1.02);
}

.hover-rotate {
  transition: transform var(--transition-base) var(--ease-out-expo);
}

.hover-rotate:hover {
  transform: rotate(3deg);
}

.hover-glow {
  transition: box-shadow var(--transition-base);
}

.hover-glow:hover {
  box-shadow: 0 0 40px rgba(155, 79, 63, 0.3);
}

/* ——— Focus Ring ——— */
.focus-ring:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--color-bg), 0 0 0 5px var(--color-accent);
}

/* ——— Staggered List Animation ——— */
.stagger-list > * {
  opacity: 1;
  transform: none;
}

.js .stagger-list > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 500ms var(--ease-out-expo), transform 500ms var(--ease-out-expo);
}

.stagger-list.is-visible > *:nth-child(1)  { transition-delay: 50ms; }
.stagger-list.is-visible > *:nth-child(2)  { transition-delay: 100ms; }
.stagger-list.is-visible > *:nth-child(3)  { transition-delay: 150ms; }
.stagger-list.is-visible > *:nth-child(4)  { transition-delay: 200ms; }
.stagger-list.is-visible > *:nth-child(5)  { transition-delay: 250ms; }
.stagger-list.is-visible > *:nth-child(6)  { transition-delay: 300ms; }
.stagger-list.is-visible > *:nth-child(7)  { transition-delay: 350ms; }
.stagger-list.is-visible > *:nth-child(8)  { transition-delay: 400ms; }
.stagger-list.is-visible > *:nth-child(9)  { transition-delay: 450ms; }
.stagger-list.is-visible > *:nth-child(10) { transition-delay: 500ms; }
.stagger-list.is-visible > *:nth-child(11) { transition-delay: 550ms; }
.stagger-list.is-visible > *:nth-child(12) { transition-delay: 600ms; }

.stagger-list.is-visible > *,
.js .stagger-list.is-visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* ——— Section Transition Overlay ——— */
.section-transition {
  position: fixed;
  inset: 0;
  background: var(--color-bg-dark);
  z-index: var(--z-modal-backdrop);
  transform: scaleY(0);
  transform-origin: top;
  pointer-events: none;
}

.section-transition.is-active {
  animation: section-wipe 800ms var(--ease-in-out) forwards;
}

@keyframes section-wipe {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  50.01% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ——— Cursor Follower (Optional) ——— */
.cursor-follower {
  position: fixed;
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-full);
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%) scale(0);
  transition: transform 200ms var(--ease-out-expo), width 200ms, height 200ms, background 200ms;
  mix-blend-mode: difference;
}

.cursor-follower.is-visible {
  transform: translate(-50%, -50%) scale(1);
}

.cursor-follower.is-hover {
  width: 60px;
  height: 60px;
  background: rgba(155, 79, 63, 0.1);
}

@media (max-width: 768px), (pointer: coarse) {
  .cursor-follower {
    display: none;
  }
}