/* Alma Interactifs — primitives motion (sober | balanced | expressive) */

:root {
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 40px;
  --pad-x: clamp(16px, 4vw, 64px);
  --pad-section: clamp(48px, 9vw, 112px);
  --stack: var(--space-3);
  --gap: var(--space-4);
  --radius: 6px;
  --ease-out: cubic-bezier(.22, 1, .36, 1);
  --ease-soft: cubic-bezier(.4, 0, .2, 1);
  --reveal-y: 28px;
  --reveal-dur: .85s;
}

[data-motion="sober"] {
  --reveal-y: 18px;
  --reveal-dur: .7s;
}

[data-motion="expressive"] {
  --reveal-y: 40px;
  --reveal-dur: 1s;
}

/* —— Reveal —— */
[data-reveal] {
  opacity: 0;
  transform: translate3d(0, var(--reveal-y), 0);
  transition:
    opacity var(--reveal-dur) var(--ease-out),
    transform var(--reveal-dur) var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
}

[data-reveal].is-in {
  opacity: 1;
  transform: none;
}

[data-reveal="fade"] {
  transform: none;
}

[data-reveal="scale"] {
  transform: scale(.94);
}

[data-reveal="scale"].is-in {
  transform: none;
}

[data-reveal="clip"] {
  clip-path: inset(0 0 100% 0);
  transform: none;
  opacity: 1;
  transition: clip-path 1.1s var(--ease-out);
}

[data-reveal="clip"].is-in {
  clip-path: inset(0 0 0 0);
}

/* —— Image mask —— */
.media-mask {
  overflow: hidden;
  position: relative;
}

.media-mask > img,
.media-mask > video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1.08);
  transition: transform 1.4s var(--ease-out);
}

.media-mask.is-in > img,
.media-mask.is-in > video,
[data-reveal].is-in .media-mask > img {
  transform: scale(1);
}

/* —— Progress —— */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0;
  z-index: 400;
  background: var(--accent, currentColor);
  transform-origin: left center;
  pointer-events: none;
}

/* —— Cursor (expressive) —— */
.cursor {
  display: none;
}

@media (hover: hover) and (pointer: fine) {
  [data-motion="expressive"] .cursor {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 14px;
    height: 14px;
    margin: -7px 0 0 -7px;
    border-radius: 50%;
    background: var(--accent, #fff);
    pointer-events: none;
    z-index: 500;
    mix-blend-mode: difference;
    transform: translate3d(-100px, -100px, 0);
    /* Ne jamais transitionner transform : ça double la latence avec le rAF */
    transition: width .22s var(--ease-soft), height .22s var(--ease-soft), margin .22s var(--ease-soft), opacity .25s;
    opacity: 0;
    will-change: transform;
  }

  [data-motion="expressive"] .cursor.is-on {
    opacity: 1;
  }

  [data-motion="expressive"] .cursor.is-hover {
    width: 34px;
    height: 34px;
    margin: -17px 0 0 -17px;
  }

  [data-motion="expressive"] .cursor.is-view {
    width: 48px;
    height: 48px;
    margin: -24px 0 0 -24px;
  }

  [data-motion="expressive"].has-cursor,
  [data-motion="expressive"].has-cursor * {
    cursor: none !important;
  }
}

/* —— Magnetic —— */
[data-magnetic] {
  display: inline-flex;
  will-change: transform;
}

/* —— Sticky scrub stage —— */
.scrub {
  position: relative;
}

.scrub__sticky {
  position: sticky;
  top: 0;
  height: var(--vh-lock, 100svh);
  display: grid;
  place-items: center;
  overflow: hidden;
}

.scrub__panel {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  opacity: 0;
  transform: scale(.96);
  transition: opacity .5s var(--ease-out), transform .5s var(--ease-out);
  pointer-events: none;
  padding: var(--pad-x);
  text-align: center;
}

.scrub__panel.is-active {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

/* —— Horizontal gallery —— */
.hscroll {
  overflow: hidden;
  position: relative;
}

.hscroll__track {
  display: flex;
  gap: var(--gap);
  width: max-content;
  will-change: transform;
  cursor: grab;
  touch-action: pan-y;
}

.hscroll__track.is-dragging {
  cursor: grabbing;
}

.hscroll__item {
  flex: 0 0 auto;
  width: min(78vw, 420px);
}

@media (min-width: 900px) {
  .hscroll__item {
    width: min(38vw, 520px);
  }
}

/* —— Marquee (Alma pattern) —— */
.marquee {
  overflow: hidden;
  width: 100%;
}

.marquee__track {
  display: flex;
  width: max-content;
  will-change: transform;
  animation: marquee-scroll var(--marquee-duration, 40s) linear infinite;
}

.marquee__group {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  gap: var(--marquee-gap, clamp(28px, 4vw, 64px));
  padding-inline-end: var(--marquee-gap, clamp(28px, 4vw, 64px));
}

.marquee:hover .marquee__track,
.marquee:focus-within .marquee__track,
.marquee.is-paused .marquee__track {
  animation-play-state: paused;
}

@keyframes marquee-scroll {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(calc(-1 * var(--marquee-distance, 50%)), 0, 0); }
}

/* —— Tilt (expressive) —— */
[data-tilt] {
  transform-style: preserve-3d;
  transition: transform .35s var(--ease-soft);
}

/* —— Counter —— */
[data-count] {
  font-variant-numeric: lining-nums tabular-nums;
}

/* —— Reduced motion —— */
@media (prefers-reduced-motion: reduce) {
  [data-reveal],
  [data-reveal="clip"],
  .media-mask > img,
  .media-mask > video,
  .scrub__panel,
  [data-tilt],
  [data-magnetic] {
    opacity: 1 !important;
    transform: none !important;
    clip-path: none !important;
    transition: none !important;
  }

  .marquee__track {
    animation: none !important;
    transform: none !important;
  }

  .marquee__group:not(:first-child) {
    display: none !important;
  }

  .cursor {
    display: none !important;
  }

  html {
    scroll-behavior: auto;
  }
}