/* ================================================================
   M-English motion system
   Shared and one-off animations stay in this file until it becomes
   large enough to justify splitting by feature.
   ================================================================ */

/* ----------------------------------------------------------------
   Reusable scroll-motion presets

   Usage:
   data-motion="fade-up|fade-down|fade-left|fade-right|scale-in|
                reveal-center|wipe-right"
   Optional timing:
   style="--motion-delay: 200ms; --motion-duration: 700ms;"
   ---------------------------------------------------------------- */
.motion-observer-ready [data-motion] {
  --motion-delay: 0ms;
  --motion-duration: 700ms;
  --motion-distance: 24px;
  opacity: 0;
  transition:
    opacity var(--motion-duration) ease var(--motion-delay),
    transform var(--motion-duration) cubic-bezier(0.22, 1, 0.36, 1) var(--motion-delay),
    clip-path var(--motion-duration) cubic-bezier(0.22, 1, 0.36, 1) var(--motion-delay),
    background-color var(--motion-duration) ease var(--motion-delay);
  will-change: opacity, transform, clip-path;
}

.motion-observer-ready [data-motion="fade-up"] {
  transform: translate3d(0, var(--motion-distance), 0);
}

.motion-observer-ready [data-motion="fade-down"] {
  transform: translate3d(0, calc(var(--motion-distance) * -1), 0);
}

.motion-observer-ready [data-motion="fade-left"] {
  transform: translate3d(var(--motion-distance), 0, 0);
}

.motion-observer-ready [data-motion="fade-right"] {
  transform: translate3d(calc(var(--motion-distance) * -1), 0, 0);
}

.motion-observer-ready [data-motion="scale-in"] {
  transform: scale(0.94);
}

.motion-observer-ready [data-motion="card-grow"] {
  background-color: #ffd4ba;
  transform: scale(0.92);
}

.motion-observer-ready [data-motion="reveal-center"] {
  opacity: 1;
  clip-path: inset(50% 0 50% 0);
}

.motion-observer-ready [data-motion="wipe-right"] {
  opacity: 1;
  clip-path: inset(0 100% 0 0);
}

.motion-observer-ready [data-motion].is-motion-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
}

.motion-observer-ready [data-motion="reveal-center"].is-motion-visible,
.motion-observer-ready [data-motion="wipe-right"].is-motion-visible {
  clip-path: inset(0 0 0 0);
}

.motion-observer-ready [data-motion="card-grow"].is-motion-visible {
  background-color: #f39a62;
}

.motion-observer-ready [data-motion].is-motion-complete {
  transition: none;
  will-change: auto;
}

/* Ecosystem uses gentler travel/scale while retaining each component's hover. */
.motion-observer-ready .ecosystem-page [data-motion] {
  --motion-distance: 18px;
}

.motion-observer-ready .ecosystem-page [data-motion="scale-in"] {
  transform: scale(0.975);
}

.motion-observer-ready .ecosystem-page [data-motion="scale-in"].is-motion-visible {
  transform: scale(1);
}

.motion-observer-ready .ecosystem-page .ecosystem-nav a.is-motion-complete {
  transition: background-color 260ms ease, box-shadow 320ms ease, transform 320ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* ----------------------------------------------------------------
   Canva-style Pan: medium speed, direction right, enter + exit.
   Each scope can contain independently staggered data-pan-part nodes.
   ---------------------------------------------------------------- */
.pan-motion-ready [data-pan-part] {
  --pan-delay: 0ms;
  --pan-duration: var(--scope-pan-duration, 620ms);
  opacity: 0;
  transform: translate3d(-28px, 0, 0);
  transition:
    opacity var(--pan-duration) ease var(--pan-delay),
    transform var(--pan-duration) cubic-bezier(0.22, 1, 0.36, 1) var(--pan-delay);
  will-change: opacity, transform;
}

/* Process circles use a Canva-like Succession reveal while their copy pans. */
.pan-motion-ready [data-pan-part="succession"] {
  opacity: 0;
  transform: scale(0.76);
  transition:
    opacity var(--pan-duration) ease var(--pan-delay),
    transform var(--pan-duration) cubic-bezier(0.34, 1.35, 0.64, 1) var(--pan-delay);
  transform-origin: center;
}

/* Home message: Baseline headings, Ascend words and a center-out pill. */
.section-heading[data-pan-scope],
.home-impress__banner[data-pan-scope],
.home-process__intro [data-pan-scope],
.home-differences__banner[data-pan-scope] {
  --scope-pan-duration: 1400ms;
}

.pan-motion-ready [data-pan-part="baseline"] {
  opacity: 0;
  transform: translate3d(0, -20px, 0) scaleY(0.88);
  transform-origin: 50% 100%;
  transition:
    opacity var(--pan-duration) ease var(--pan-delay),
    transform var(--pan-duration) cubic-bezier(0.16, 1, 0.3, 1) var(--pan-delay);
}

.pan-motion-ready .home-message [data-pan-part="ascend"] {
  opacity: 0;
  transform: translate3d(0, 26px, 0);
}

.pan-motion-ready .home-message [data-pan-part="message-bar"] {
  position: relative;
  isolation: isolate;
  opacity: 1;
  background-color: transparent;
  transform: none;
  transition: none;
}

.pan-motion-ready .home-message [data-pan-part="message-bar"]::before {
  position: absolute;
  z-index: -1;
  inset: 0;
  border-radius: inherit;
  background: #fffde8;
  content: "";
  clip-path: inset(0 calc(50% - 32px) 0 calc(50% - 32px) round 999px);
  transform: translateZ(0);
  transition: clip-path var(--pan-duration) cubic-bezier(0.16, 1, 0.3, 1) var(--pan-delay);
  will-change: clip-path;
}

.pan-motion-ready .home-message [data-pan-part="message-dot"] {
  opacity: 0;
  transform: scale(0.35);
  transition:
    opacity var(--pan-duration) ease var(--pan-delay),
    transform var(--pan-duration) cubic-bezier(0.34, 1.56, 0.64, 1) var(--pan-delay);
}

.pan-motion-ready [data-pan-scope].is-pan-visible [data-pan-part] {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.pan-motion-ready [data-pan-scope].is-pan-visible [data-pan-part="succession"] {
  transform: scale(1);
}

.pan-motion-ready [data-pan-scope].is-pan-visible [data-pan-part="baseline"] {
  opacity: 1;
  transform: translate3d(0, 0, 0) scaleY(1);
}

.pan-motion-ready [data-pan-scope].is-pan-visible [data-pan-part="ascend"] {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.pan-motion-ready [data-pan-scope].is-pan-visible [data-pan-part="message-bar"] {
  transform: none;
}

.pan-motion-ready [data-pan-scope].is-pan-visible [data-pan-part="message-bar"]::before {
  clip-path: inset(0 0 0 0 round 999px);
}

.pan-motion-ready [data-pan-scope].is-pan-visible [data-pan-part="message-dot"] {
  opacity: 1;
  transform: scale(1);
}

.pan-motion-ready [data-pan-scope].is-pan-exiting [data-pan-part] {
  opacity: 0;
  transform: translate3d(28px, 0, 0);
  transition-delay: 0ms;
  transition-duration: 450ms;
}

.pan-motion-ready [data-pan-scope].is-pan-exiting [data-pan-part="succession"] {
  transform: scale(0.76);
}

.pan-motion-ready [data-pan-scope].is-pan-exiting [data-pan-part="baseline"] {
  opacity: 0;
  transform: translate3d(0, 20px, 0) scaleY(0.88);
}

.pan-motion-ready [data-pan-scope].is-pan-exiting [data-pan-part="ascend"] {
  opacity: 0;
  transform: translate3d(0, -26px, 0);
}

.pan-motion-ready [data-pan-scope].is-pan-exiting [data-pan-part="message-bar"] {
  opacity: 1;
  transform: none;
}

.pan-motion-ready [data-pan-scope].is-pan-exiting [data-pan-part="message-bar"]::before {
  clip-path: inset(0 calc(50% - 32px) 0 calc(50% - 32px) round 999px);
  transition-delay: 0ms;
  transition-duration: 450ms;
}

.pan-motion-ready [data-pan-scope].is-pan-resetting [data-pan-part] {
  opacity: 0;
  transform: translate3d(-28px, 0, 0);
  transition: none;
}

.pan-motion-ready [data-pan-scope].is-pan-resetting [data-pan-part="succession"] {
  transform: scale(0.76);
}

.pan-motion-ready [data-pan-scope].is-pan-resetting [data-pan-part="baseline"] {
  opacity: 0;
  transform: translate3d(0, -20px, 0) scaleY(0.88);
}

.pan-motion-ready [data-pan-scope].is-pan-resetting [data-pan-part="ascend"] {
  opacity: 0;
  transform: translate3d(0, 26px, 0);
}

.pan-motion-ready [data-pan-scope].is-pan-resetting [data-pan-part="message-bar"] {
  opacity: 1;
  transform: none;
}

.pan-motion-ready [data-pan-scope].is-pan-resetting [data-pan-part="message-bar"]::before {
  clip-path: inset(0 calc(50% - 32px) 0 calc(50% - 32px) round 999px);
  transition: none;
}

/* Gentle ambient movement for decorative illustrations. */
body.home .home-decoration,
body.home .home-process__cycle-image,
.ecosystem-page .home-decoration,
.about-page .about-founder__mascot,
.about-page .about-philosophy__title img,
.about-page .about-cta a img,
.program-detail-page [class*="__mascot"],
.program-detail-page .program-feature-card__icon,
.program-detail-page .m-english-step-card__icon img,
.program-detail-page .m-english-pillar-card__icon img,
.program-detail-page .m-english-month-card__icon img {
  animation: m-home-illustration-float var(--illustration-duration, 5.4s) ease-in-out var(--illustration-phase, 0ms) infinite;
  animation-play-state: paused;
  transform-origin: 50% 60%;
}

body.home .home-decoration.is-illustration-visible,
body.home .home-process__cycle-image.is-illustration-visible,
.ecosystem-page .home-decoration.is-illustration-visible,
.about-page .about-founder__mascot.is-illustration-visible,
.about-page .about-philosophy__title img.is-illustration-visible,
.about-page .about-cta a img.is-illustration-visible,
.program-detail-page [class*="__mascot"].is-illustration-visible,
.program-detail-page .program-feature-card__icon.is-illustration-visible,
.program-detail-page .m-english-step-card__icon img.is-illustration-visible,
.program-detail-page .m-english-pillar-card__icon img.is-illustration-visible,
.program-detail-page .m-english-month-card__icon img.is-illustration-visible {
  animation-play-state: running;
}

body.home .home-process__cycle-item:nth-child(2) .home-process__cycle-image,
body.home .home-cta-strip__mascot,
.ecosystem-page .home-cta-strip__mascot {
  --illustration-duration: 4.9s;
}

body.home .home-process__cycle-item:nth-child(3) .home-process__cycle-image,
body.home .home-differences__mascot {
  --illustration-duration: 5.9s;
}

.about-page .about-founder__mascot {
  --illustration-duration: 6.2s;
}

.about-page .about-philosophy__row:nth-child(2) .about-philosophy__title img,
.about-page .about-cta a:nth-child(2) img {
  --illustration-duration: 4.9s;
}

.about-page .about-philosophy__row:nth-child(3) .about-philosophy__title img {
  --illustration-duration: 5.8s;
}

@keyframes m-home-illustration-float {
  0%, 100% {
    translate: 0 0;
    rotate: 0deg;
  }
  25% {
    translate: -3px -7px;
    rotate: -1.35deg;
  }
  50% {
    translate: 2px -12px;
    rotate: 0.65deg;
  }
  75% {
    translate: 4px -5px;
    rotate: 1.5deg;
  }
}

/* Home: header + hero opening sequence (reference: M-English.mp4). */
body.home .site-header {
  transform-origin: left top;
  animation: m-home-header-reveal 1.2s cubic-bezier(0.22, 1, 0.36, 1) 0.12s both;
  will-change: clip-path, opacity;
}

body.home .home-hero__slide.is-active > img {
  animation: m-home-hero-smart-crop 3.4s cubic-bezier(0.22, 1, 0.36, 1) both;
  transform-origin: center center;
  will-change: transform;
}

body.home .home-hero__slide:first-child::after {
  animation: m-home-hero-shade-in 1.2s ease 0.12s both;
}

body.home .home-hero__word {
  display: inline-block;
  opacity: 0;
  transform: translate3d(0, -24px, 0);
}

body.home .home-hero__slide.is-active .home-hero__word {
  animation: m-home-hero-word-down 0.9s cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: calc(180ms + var(--hero-word-index) * 95ms);
  will-change: opacity, transform;
}

body.home .home-hero__slide.is-active .home-hero__solution .home-hero__word {
  animation-delay: calc(720ms + var(--hero-word-index) * 75ms);
}

body.home .home-hero__arrow {
  animation: m-home-hero-arrow-in 0.7s cubic-bezier(0.34, 1.56, 0.64, 1) 0.12s both;
  will-change: opacity, transform;
}

body.home .home-hero__arrow--next {
  animation-delay: 0.12s;
}

body.home.is-home-intro-complete .site-header,
body.home .site-header:hover,
body.home .site-header:focus-within {
  clip-path: none !important;
}

body.home.is-home-intro-complete .site-header,
body.home.is-home-intro-complete .home-hero__slide.is-active > img,
body.home.is-home-intro-complete .home-hero__slide:first-child::after,
body.home.is-home-intro-complete .home-hero__word,
body.home.is-home-intro-complete .home-hero__arrow {
  will-change: auto;
}

@keyframes m-home-header-reveal {
  0% {
    opacity: 0;
    clip-path: inset(0 100% 0 0 round 0 0 50px 0);
  }
  99.9% {
    opacity: 1;
    clip-path: inset(0 0 0 0 round 0 0 50px 0);
  }
  100% {
    opacity: 1;
    clip-path: none;
  }
}

@keyframes m-home-hero-smart-crop {
  from {
    transform: translate3d(0, 0, 0) scale(1.08);
  }
  to {
    transform: translate3d(0, -8px, 0) scale(1.025);
  }
}

@keyframes m-home-hero-shade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes m-home-hero-word-down {
  from {
    opacity: 0;
    transform: translate3d(0, -24px, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes m-home-hero-arrow-in {
  from {
    opacity: 0;
    transform: translateY(-50%) scale(0.72);
  }
  to {
    opacity: 1;
    transform: translateY(-50%) scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .motion-observer-ready [data-motion] {
    opacity: 1;
    transform: none;
    clip-path: none;
    transition: none;
    will-change: auto;
  }

  .pan-motion-ready [data-pan-part],
  .pan-motion-ready [data-pan-scope].is-pan-visible [data-pan-part],
  .pan-motion-ready [data-pan-scope].is-pan-exiting [data-pan-part],
  .pan-motion-ready [data-pan-scope].is-pan-resetting [data-pan-part] {
    opacity: 1;
    transform: none;
    transition: none;
    will-change: auto;
  }

  .pan-motion-ready .home-message [data-pan-part="baseline"],
  .pan-motion-ready .home-message [data-pan-part="ascend"],
  .pan-motion-ready .home-message [data-pan-part="message-bar"] {
    opacity: 1;
    clip-path: none;
    transform: none;
    transition: none;
  }

  .pan-motion-ready .home-message [data-pan-part="message-bar"] {
    background-color: #fffde8;
  }

  .pan-motion-ready .home-message [data-pan-part="message-bar"]::before {
    display: none;
  }

  body.home .home-decoration,
  body.home .home-process__cycle-image,
  .ecosystem-page .home-decoration,
  .about-page .about-founder__mascot,
  .about-page .about-philosophy__title img,
  .about-page .about-cta a img,
  .program-detail-page [class*="__mascot"],
  .program-detail-page .program-feature-card__icon,
  .program-detail-page .m-english-step-card__icon img,
  .program-detail-page .m-english-pillar-card__icon img,
  .program-detail-page .m-english-month-card__icon img {
    animation: none;
    translate: none;
    rotate: none;
  }

  body.home .site-header,
  body.home .home-hero__slide > img,
  body.home .home-hero__slide:first-child::after,
  body.home .home-hero__word,
  body.home .home-hero__arrow {
    animation: none;
    clip-path: none;
    filter: none;
    transform: none;
    opacity: 1;
  }

  body.home .home-hero__arrow {
    transform: translateY(-50%);
  }
}